Highlights of Soft Matter (DSOFT) Talks @ APS 2023 March Meeting
Interested users can choose to read all APS-2023 presentations in our digest console, which supports more features.
To search for work presented at APS-2023 on a specific topic, please make use of the search by venue (APS-2023) service. To summarize the latest research published at APS-2023 on a specific topic, you can utilize the review by venue (APS-2023) service. To synthesizes the findings from APS 2023 into comprehensive reports, give a try to APS-2023 Research. If you are interested in browsing presentations by author, we have a comprehensive list of all APS-2023 authors & their presentations.
This curated list is created by the Paper Digest Team. Experience the cutting-edge capabilities of Paper Digest, an innovative AI-powered research platform that gets you the personalized and comprehensive daily paper digests on the latest research in your field. It also empowers you to read articles, write articles, get answers, conduct literature reviews and generate research reports.
Experience the full potential of our services today!
TABLE 1: Highlights of Soft Matter (DSOFT) Talks @ APS 2023 March Meeting
| Paper | Author(s) | |
|---|---|---|
| 1 | Learning Dynamics of Complex Systems from Partial Observations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we develop an automated inference method that discovers predictive differential equation models from a few noisy partial observations of a system’s state. |
George Stepaniants; Alasdair Hastewell; Dominic Skinner; Jan Totz; Jorn Dunkel; |
| 2 | Maximizing Dynamical Systems Information Embedded in Experimental Observables of Molecules Through Statistical Learning Enabled Takens Reconstruction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In previous work, we have reconstructed the mini-proteins Chignolin and Villin to accuracies better than 0.4 nm from synthetic noisy and time averaged trajectories generated from molecular dynamics simulations using single variate head to tail molecular distances. In this work, we expand this Single-molecule TAkens Reconstruction (STAR) technique to use synthetic multivariate data streams corresponding to a 3 dye multichannel smFRET system generated from molecular dynamics simulations of the mini-protein Villin to learn optimal dye placement to maximize information embedded in experiments. |
Maximilian Topel; Andrew Ferguson; |
| 3 | Fractional Neural Networks for Constitutive Modeling of Complex Fluids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we will utilize rheology-informed neural networks (RhINNs) to quantify the quasi-properties and the fractional derivative orders. |
Donya Dabiri; Milad Saadat; Deepak Mangal; Safa Jamali; |
| 4 | Inferring Force Law in Many-particle Systems Using Physics-tailored Machine Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we demonstrate an ML model capable of extracting physical forces from systems of many particles with complex interactions. |
Wentao Yu; Justin Burton; Ilya Nemenman; Eslam Abdelaleem; |
| 5 | Dynamics of Long-term Memory in Recurrent Neural Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The dynamical behaviors associated with memory retrieval uncovered in this work provide foundational insights into developing long-term memory devices based on artificial neural networks. |
Ling-Wei Kong; Junjie Jiang; Ying-Cheng Lai; |
| 6 | Searching for Clog Formation in Hopper Flow Through Comparative Machine Learning Analyses Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These clog-causing flow microstates seem to be primarily configurational, rather than momentum-based (Koivisto and Durian, PRE 2017), but their exact nature remains to be elucidated. The high dimensional nature of the configuration states foils manual attempts to categorize them as flowing or clog-causing, so we instead employ machine learning techniques. |
Jesse Hanlan; Sam Dillavou; Douglas Durian; |
| 7 | Variational Computation of The Committor for Reactive Events In and Out of Equilibrium Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a method that employs a neural network ansatz with a variational optimization scheme to compute the exact committor function from a reactive trajectory ensemble. |
Aditya Singh; David Limmer; |
| 8 | Predicting Microfluidic Droplet Diameters Using Machine Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The deep machine learning model provides an alternative method of predicting droplet size without the need for rigorous theory. |
Serena Holte; |
| 9 | Machine Learning for Metamaterial Design Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Instead, one is limited by designer’s intuition and the tuning of a few predefined design parameters. Here we show that machine learning overcomes this limitation by learning the relation between design and mechanical property, which we use to inverse design for desired mechanical properties. |
Ryan van Mastrigt; Marjolein Dijkstra; Martin van Hecke; Corentin Coulais; |
| 10 | Decomposing Long-Time Behavior of Dynamical Systems Through Linear Regression Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use simple linear regression to determine the contribution of the individual trajectory neighborhoods to the long-time state-space probability distribution of the system. |
Sam Quinn; Joshua L. Pughe-Sanford; Roman Grigoriev; |
| 11 | Learning Hydrodynamic Equations from Microscopic Langevin Simulations of Self-propelled Particles Dynamics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The macroscopic properties obtained from nonlinear hydrodynamic equations are useful for understanding those aspects. Therefore, we start from the numerical Langevin simulations of the microscopic particle dynamics and present a data-driven strategy for the collection of self-propelled particles to develop the hydrodynamics equations. |
Bappaditya Roy; Natsuhiko Yoshinaga; |
| 12 | Unraveling The Role of Hydrogen Bonds Via Two Machine Learning Methods Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this research, we used two machine learning models, the logistic regression model, and the decision tree model, to study hydrogen bonding networks. |
Freddie Salsbury; Dizhou Wu; |
| 13 | Statistical Properties of Empirical Cross-covariance Matrices of Correlated Large-dimensional Datasets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study empirical cross-covariance matrices (ECCMs) between two large-dimensional variables that are correlated along a handful of latent dimensions. |
Arabind Swain; Eslam Abdelaleem; Ilya Nemenman; |
| 14 | Automated Neuron Tracking Using Deep Learning and Targeted Augmentation Allows Fast Collection of C. Elegans Whole Brain Calcium Activity During Behavior Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: While convolutional neural networks(CNNs) are highly effective for image analysis, they generally require a large training set. To tackle this problem, we present a method to harness the robustness, adaptability and accuracy of CNNs while requiring only 5~10 frames of annotations. |
Core Francisco Park; Sahand Rahi; Aravinthan Samuel; Mahsa Barzegar Keshteli; Kseniia Korchagina; Ariane Delrocq; Vladislav Susoy; Corinne Jones; |
| 15 | Periodic and Aperiodic Sphere Packings: A Window Into Scale-Invariant Self-Assembly of Amphiphilic Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: A zoo of low symmetry, tetrahedrally close-packed Frank-Kasper (FK) phases that mimic the structures of metals and their alloys have recently been discovered in amphiphilic … |
Mahesh Mahanthappa; |
| 16 | Thermoresponsive Ultrafiltration Membrane from Polymerization of Lyotropic Liquid Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we present the fabrication of a two-step thermoresponsive ultrafiltration (UF) membrane through polymerization of a lyotropic liquid crystal (LLC). |
Younes Saadat; Kyungtae Kim; Reza Foudazi; |
| 17 | Contrast-variation Resonant Soft X-ray Scattering for Multicomponent Soft Matter Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Although small angle neutron scattering (SANS) can achieve contrast variation through synthetic deuteration in monotonic radiolabeled series, the technique is limited to bulk samples (>1 mm) because of low neutron flux, thus being inaccessible for the thin film regions of interest. Our approach to solving this issue is using contrast-variation resonant soft X-ray scattering (CV-RSoXS), which is a powerful synchrotron-based characterization tool that can produce SANS-like patterns in short (10 s) exposures of ≈100 nm thin films at 90° incidence, with high contrast due to intrinsic element and bond sensitivities. |
Dean DeLongchamp; Kristof Toth; Eliot Gann; Daniel Sunday; |
| 18 | Probing Chain Orientations in Block Copolymer Thin Films with Polarized Soft X-ray Scattering Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Block copolymers (BCPs) self-assemble into periodic morphologies with length scales between 5-100 nm, with the presence of the interface between components implying a degree of … |
Daniel Sunday; Eliot Gann; Dean DeLongchamp; |
| 19 | Defect Patterning for The Directed Self-Assembly of Block Copolymers Using Polymer Pen Nanolithography Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The PPL technique is a novel approach to precise and high throughput application of soft material features onto a surface. |
Jacob LaNasa; Kyungtae Kim; |
| 20 | Vacuum-driven Orientation of Nanostructured Diblock Copolymer Thin Films for Nanopatterning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Herein, we demonstrate a facile method for controlled orientation of nanostructured BCP thin films. |
Aum Sagar Panda; Yi-Chien Lee; Chen-Jung Hung; Kang-Ping Liu; Cheng-Yen Chang; Gkreti-Maria Manesi; Apostolos Avgeropoulos; Fan-Gang Tseng; Fu-Rong Chen; Rong-Ming Ho; |
| 21 | Self-Healing Directed Self-Assembly of Block Copolymers for Lithographic Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we utilize BCPs with A- b-(B- r-C) copolymer architecture which decouple thermodynamic and surface energy properties to allow for DSA via thermal annealing with low defectivity. |
Whitney Loo; Hongbo Feng; Ricardo Ruiz; Paul Nealey; |
| 22 | Dynamic Interfacial Fluctuations and Phase Separation Mechanisms Captured in Situ with Environmentally Controlled Atomic Force Microscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Block copolymers are of broad interest to both fundamental science and technology applications, providing a platform to study phase separation and self-assembly phenomena or for applications in nanolithography and templating. Here, I present the use of environmentally controlled and high-speed atomic force microscopy (AFM) to study the dynamics of poly(styrene- block-methyl methacrylate) (PS- b-PMMA) thin films in situ above the glass transition temperatures ( T g). |
Julia Murphy; Jonathan Raybin; Moshe Dolejsi; Genevieve Ansay; Steven Sibener; |
| 23 | Seeing The Order-order Phase Transition Between Double Diamond and Double Gyroid Structures in Block Copolymers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we employ slice and view scanning electron microscopy on polystyrene-polydimethylsiloxane diblock copolymers to examine the phase transition zone between the DD and DG structures. |
Edwin Thomas; Wenpeng Shan; |
| 24 | Co-existing Nanostructures of Lamellae and Cylinders By A1BA2C Tetrablock Terpolymer Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we observed, via small-angle X-ray scattering (SAXS) and transmission electron microscopy (TEM), co-existing morphologies of lamellae and cylinders by careful control of volume fraction of each block in polystyrene- b-polyisoprene- b-polystyrene- b-poly(2-vinylpyridine) tetrablock terpolymer (S 1IS 2V). |
Hyeongkeon Yoon; Qingshu Dong; Weihua Li; |
| 25 | Competition Between Tubular Network Morphologies in Diblock Copolymer/homopolymer Blends Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Binary blends (BBs) of diblock copolymer (BCP)/homopolymer (HP) have been shown to be a more accessible way of attaining complex morphologies like Double Gyroid (Ia3d), Double … |
Vivek Subramanian; Benjamin Greenvall; Karen Winey; Bryan Coughlin; Gregory Grason; Edwin Thomas; |
| 26 | Bio-inspired Amphiphilic Heteropolymer Dynamics at Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The statistical distribution of chains makes analysis of particular molecules and motifs challenging experimentally. Through molecular dynamics simulations, we can provide nanoscale analysis of individual sequences to provide insight into how these synthetic polymers respond to their environments. |
Shayna Hilburg; Tianyi Jin; Alfredo Alexander-Katz; |
| 27 | End-on Chain Orientation of Poly(3-hexylthiophene)-Containing Rod-Rod Diblock Copolymer Via Controlled Regioregularity-Induced Microphase Separation Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: We synthesized amphiphilic poly(3-hexylthiophene)-block-poly(3-(2-methoxyethoxy)methylthiophene) copolymer (P3HT- b-P3MEGT) with a regioregularity (RR) of P3HT block having 82 %. … |
Philgon Kim; |
| 28 | Dynamical Patterns of Nonreciprocally Coupled Conserved Fields: A Unifying Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that coupled Cahn-Hillard equations provide a unifying model for dynamical pattern formation in non-reciprocally coupled binary systems with conserved fields. |
M Cristina Marchetti; Fridtjof Brauns; |
| 29 | Emergence of Non-reciprocal Forces in Optically Bound Colloids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Experiments with large numbers of wavelength-sized particles, however, demonstrate different behavior: they spontaneously assemble clusters which exhibit driven motion. We will show these driving forces arise because the optical binding force is not pairwise: the contributions from many particle scattering gives rise to non-reciprocal forces. |
Dustin Kleckner; Dominique Davenport; Nicholas St. Clair; |
| 30 | Effects of Non-reciprocal Forces in Acoustically Bound Clusters Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This inter-particle force — which we refer to as acoustic binding — can be used to guide the long-range assembly of particles on wavelength scales. Here we describe how numerical modelling is used to study these forces and the structures that they produce. |
Nicholas St Clair; |
| 31 | Non-reciprocal Interactions Result in The Partial Demixing of Binary Polar Fluids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Finally, we complement our experimental analysis with hydrodynamics theory. We gain insight into the spontaneous demixing process and propose a simplified description of such mixtures by pushing non-reciprocal interactions to the limit of one-way actions. |
Alexandre Morin; Samadarshi Maity; |
| 32 | Particle Kinetics and Collective Dynamics in Chiral Gasses, Fluids, and Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The velocity profile in an active two-dimensional chiral material—composed of centimeter-scale geared particles confined in a circular vibrating chamber—is measured for … |
Alexander Petroff; Christopher Whittington; Arshad Kudrolli; |
| 33 | Floquet-Bloch Topology of Nonreciprocal Sound Transport Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using exact Floquet-Bloch theory, we show that band tilting is in fact quantized at all modulation speeds by virtue of the topological winding of Floquet quasifrequencies on a (d+1)-dimensional torus for d-dimensional systems. |
Benjamin Kauffman; Jasper Marcum; Jayson Paulose; |
| 34 | Non-reciprocal Coupling and Collective Actuation in The Presence of A Polarization Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we combine model experiments, numerical simulations, and theoretical analysis to reveal how an external field affects the dynamics of active elastic systems. |
Paul Baconnier; Vincent Démery; Mathéo Aksil; Olivier Dauchot; |
| 35 | Phase Coexistence Implications of Violating Newton’s Third Law Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use computer simulations to explore the macroscopic phase behavior implications of breaking microscopic interaction reciprocity for a simple model system. |
Yu-Jen Chiu; Ahmad Omar; |
| 36 | Non-reciprocal Kinks in Frustrated Active Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use local control loops to break reciprocity at the level of interactions between robotic unit cells. |
Xiaofei Guo; Jonas Veenstra; Corentin Coulais; |
| 37 | Nonreciprocal Phase Transition in Swarming C.elegans Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we investigated the emerging response of active C.elegans aggregates and passive bacterial mixture. |
Askin Kocabas; |
| 38 | Non-reciprocal Forces and Exceptional Phase Transitions in Metric and Topological Flocks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Yet, the implications of an implicit violation of Newton’s third law in the alignment rule remains poorly understood. Here we show that in the absence of this microscopic non-reciprocity an exceptional phase transition is predicted at low noise strength within the Toner-Tu framework of polar aligning matter; we demonstrate this transition via large-scale numerical simulations. |
Charles Packard; Daniel Sussman; |
| 39 | Asymmetric Transport in Nonlinear Wave Chaos Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our research initiates the quest for universalities and their violations in wave transport of nonlinear chaotic systems and has potential applications for the design of magnetic-free isolators. |
Chengzhen Wang; Rodion Kononchuk; Ulrich Kuhl; Tsampikos Kottos; |
| 40 | Directed Collective Synchronization in Active Vortex Lattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show that, when energized by an external magnetic field, an ensemble of active magnetic rollers dispersed in micro-wells spontaneously evolves into vortex lattices. |
Andreas Glatz; Alexey Snezhko; Koohee Han; Andrey Sokolov; |
| 41 | Data-driven Model Discovery Using SINDy on Particle Based Simulations of Dry Active Nematics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, due to their complex non-equilibrium nature, the theoretical tools available to probe active nematics are quite limited. In order to better understand these systems, we use a tensor form of "Sparse Identification of Nonlinear Dynamics" (SINDy), which is a regression technique that takes raw data as an input and returns a parsimonious governing partial differential equation. |
Chris Amey; Yingyou Ma; Raymond Adkins; Paul Kreymborg; Zvonimir Dogic; Aparna Baskaran; Michael Hagan; |
| 42 | Cooperative Transport in A Swarm of Aligning Active Particles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In my talk, I will present the “transporton”, a new kind of self-propelled particle whose mechanical design gives rise to a novel dynamical response. |
Matan Yah Ben Zion; |
| 43 | Geometrical and Chemical Sensing of An Active Droplet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For a better physical understanding of a drop in a Y-shaped channel, we developed a minimal numerical model considering suitable Marangoni forces caused by the surface tension gradient and Yukawa-type interaction. |
Shiva Dixit; |
| 44 | The Mechanical Theory of Active Crystallization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The breaking of detailed balance, and the resulting absence of Boltzmann statistics, motivates the development of a theory of symmetry-breaking transitions that is independent of the underlying distribution of microstates. Here, we develop such a theory, leveraging mechanics, conservation laws, and symmetries to describe crystal-fluid coexistence in both equilibrium and nonequilibrium systems. |
Daniel Evans; Ahmad Omar; |
| 45 | Non-symmetric Pinning of Topological Defects in Living Liquid Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Topological defects, such as vortices and disclinations, play a crucial role in spatiotemporal organization of equilibrium and non-equilibrium systems. The defect immobilization … |
Nuris Figueroa Morales; Mikhail Genkin; Andrey Sokolov; Igor Aranson; |
| 46 | Modeling Active Composites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, the behaviors of these "active composites" result from processes acting over a wide range of length and time scales and are hence challenging to understand. We create multiscale models of such active composites and use theory and computer simulations to explore their behaviors. |
Layne Frechette; |
| 47 | Optimal Control of Active Nematics in Bulk and Confined Geometries Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we will focus on applying this approach to 2D active nematics, which exhibit spontaneous defect proliferation and chaotic streaming dynamics in the absence of control. |
SAPTORSHI GHOSH; |
| 48 | Do Active Liquid Crystals Exist After All? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will share the outcome of a survey of experimental data and I will discuss it in the light of recent numerical simulations and analytical work. |
Luca Giomi; Livio Carenza; Dimitrios Krommydas; Josep-Maria Armengol-Collado; |
| 49 | Mucus Viscoelasticity Controls Bacterial Active Matter Correlations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study shows that the collective motion’s scale increases with the viscoelasticity of the mucus. |
Wentian Liao; Igor Aronson; |
| 50 | Smarticles 2.0 – Robotic Modules Designed for 3D Entanglement Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a new ‘Smarticles’ iteration capable of unprecedented 3D entanglement [1]. |
Danna Ma; |
| 51 | Using Active Matter to Model Different Types of Epidemic Behavior Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show how particle-based active matter systems can be used to model and tune between Susceptible-Infected (SI) and Susceptible-Infected-Recovered (SIR) regimes. |
Cynthia Reichhardt; Peter Forgacs; Andras Libal; Nick Hengartner; Charles Reichhardt; |
| 52 | Topological Entropy in Simulations of Active Nematics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we simulate nematohydrodynamics equation with periodic boundary conditions. |
Md Mainul Hasan Sabbir; Kevin Mitchell; |
| 53 | Stiffening of An Active Solid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work deals with the mechanical properties of an active elastic solid defined as a two-dimensional network of active stochastic particles interacting by nonlinear hard springs. |
Mario Sandoval; |
| 54 | Nonlinear Plastic Modes Reveal Defects in Solids with Pressure Gradients Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we utilize anharmonic approximations of the potential energy to identify populations of defects in a similar class of particle packings. |
Julia Giannini; Edan Lerner; M Lisa Manning; |
| 55 | A Microstructural Analysis of Shear Thickening Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the possible microstructural underpinnings of shear thickening of dense suspensions with particular focus on simple particle structures. |
William Buchholtz; H. A. Vinutha; Jeffrey Urbach; Daniel Blair; Emanuela Del Gado; |
| 56 | Using Magnetic Beads to Poke Dense Colloidal Samples Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We are studying a dense suspension of colloids near the colloidal glass transition using magnetic beads as local probes. |
Jessica Eyeson; Piotr Habdas; Eric Weeks; |
| 57 | Oscillatory Perturbation of Dense Colloidal Suspensions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use confocal microscopy to track the position of the magnetic probe particle and surrounding colloidal particles. |
Piotr Habdas; Rachel Courtland; Eric Weeks; |
| 58 | Tracking The Kinetics of Colloidomer Sedimentation with Holographic Video Microscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The fluid-fluid boundary condition at a colloidomer’s surface differs from the non-slip boundary conditions presented by solid colloidal spheres, and influences how a colloidomer sediments through viscous fluids. We use holographic video microscopy to track the three-dimensional motions of colloidomers as they relax from initial extended configurations created through holographic optical trapping. |
Jatin Abacousnac; Angus McMullen; Jacqueline Sustiel; Jasna Brujic; David Grier; |
| 59 | Temperature and Concentration Dependence of The Microgel Counter-ion Cloud Configuration with Increasing Particle Stiffness Studied with Small-Angle Neutron Scattering (SANS) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we have studied microgels with various softness, set by the crosslink density of 0.05%, 2.5% and 5%, and suspensions with concentrations from ζ=0.02 to ζ=1 were measured. |
Boyang Zhou; Urs Gasser; Alberto Fernandez-Nieves; |
| 60 | Experimental Antiferromagnetic Tetratic Phase in Confined Quasi-2d Hard-sphere System with Depletants Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we experimentally demonstrate the self-assembly of a topologically ordered phase in a simple buckled system of colloidal spheres, i.e., without introduction of surface patterning or aspherical particles. |
Michio Tanaka; Analisa Hill; |
| 61 | Hexagonal Vortices During Grain Coarsening in Colloidal Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The enclosed grain shrinks to minimize free energy, and continuum theory predicts a linear rate of dissolution. |
Helen Chaffee; Sharon Gerbode; Avani Anne; Eric Corona; Chris Couto; |
| 62 | Dislocation Reactions During Granule Rotation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our colloidal crystal experiments, we observe a new mechanism for grain dissolution in which hexagonal particle clusters, or "granules", rotate to switch from one crystal orientation to another. |
Eric Corona; Sharon Gerbode; Chris Couto; Helen Chaffee; Avani Anne; |
| 63 | Polymer-grafted Gold Nano Capsules As Reversible Colorimetric Sensors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we introduce the synthesis of nano-sized multifunctional colloidal colorimetric sensors using a simple and versatile fabrication method. |
Remi Dreyfus; Daeyeon Lee; Jaehyun Kim; Russell Composto; Sean Choe; Joseph Rosenfeld; Yechan Kim; |
| 64 | The Pendant Drop Experiment for Aggregates of Adhesive Granular Particles Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Classical experiments, typically performed using bulk continuous matter can be applied for granular systems to better understand their properties, and explore the analogies … |
Yasaman Heshmatzadeh; Jean-Christophe Ono-dit-Biot; Kari Dalnoki-Veress; |
| 65 | Morphology of An Aggregate of Adhesive Oil Droplets in A Spinning Cylinder Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this technique, the surface area of the droplet is set by a balance between the centripetal force and the interfacial tension. Here, we present an experiment studying a granular analogue of this system to probe the effective interfacial tension of an aggregate of microscopic monodisperse oil droplets in an aqueous bath. |
Johnathan Hoggarth; Lisa Bhatia; Angela Moskal; Kari Dalnoki-Veress; |
| 66 | Melting on A Sphere Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, by tuning interparticle interactions in-situ, we report the observation of an intermediate hexatic phase during the melting of colloidal crystals on a sphere. |
Navneet Singh; Ajay Sood; Rajesh Ganapathy; |
| 67 | PNIPAM Microgel Swelling Behavior and Suspension Structure Studied with Small-angle Neutron Scattering Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use SANS to measure the form- and structure factor of pNIPAM microgels in dilute and concentrated suspensions and find the microgels to keep a constant size up to a critical concentration and to deswell at higher packing. |
Urs Gasser; Boyang Zhou; Alberto Fernandez-Nieves; |
| 68 | Electrifying Granular Flows: Probing The Interior Dynamics of Volcanic Plumes and Pyrocumulonimbus Clouds Using Electrostatics Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The electrification of volcanic plumes and wildfire-driven thunderstorms has been described intermittently for centuries, if not longer. For instance, Pliny the Younger noted … |
Joshua Mendez Harper; |
| 69 | Avalanches in 2D Granular Media Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we focus on a single layer of mono-disperse beads that are shaken horizontally with an orbital motion (no out-of-plane oscillations). |
Florent Pollet; Adel Djellouli; Anne Meeussen; Gabriele Albertini; Ilya Svetlizky; Arthur Young; Chris Rycroft; Shmuel Rubistein; Katia Bertoldi; |
| 70 | Rheological State Diagrams for Model Earth Suspensions Under Shear Flow Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we examine model earth mixtures to understand the minimum number of ingredients required to generate complex behavior observed for natural debris flows. |
Shravan Pradeep; Paulo Arratia; Eric Sigg; Douglas Jerolmack; |
| 71 | Those Sinking Moments: Measuring Sedimentation Dynamics of Marine Snow Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: 17, 1040–1051 (2020)], we measure the sedimentation dynamics of marine snow aggregates in the Gulf of Maine; highlighting the dynamic nature of marine snow aggregates. Drawing on the insights from field observations, we construct a minimal model based on far-field Stokesian hydrodynamics with inter-particle stickiness, and numerically explore the formation of these aggregates from an initially homogeneous sedimenting suspension. |
Rahul Chajwa; Eliott Flaum; Manu Prakash; |
| 72 | Bacteria Bioluminesce in Response to Fluid Shear Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: An interesting open question is whether, like dinoflagellates which respond to fluid shear, bacteria exhibit any direct response to such stimulation. We have developed a method of investigating this possibility using an optical rheometer, and have studied the response of 5 separate species of marine bacteria under a range of shear rates. |
Sumit Kumar Birwa; Raymond Goldstein; Nuno Oliveira; |
| 73 | Ice Mélange and The Rheology of Floating Granular Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explored a variety of shapes in a narrow water tank with rough walls to simulate a fjord. |
Justin Burton; Kavinda Nissanka; Nandish Vora; Ayushi Rajpoot; Alexander Robel; Jason Amundson; |
| 74 | Modelling Seasonal Sea-Ice Dynamics Within The Nares Strait Using A Lagrangian Discrete Element Approach Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, in smaller regional studies (1km resolution and lower), the discontinuous and nonlinear response of sea-ice, becomes difficult to resolve with continuum models. At these smaller length scales, Lagrangian models, like the discrete-element method (DEM), where each ice floe can be treated explicitly, can represent the underlying sea-ice dynamics more naturally. |
Svetoslav Nikolov; Kara Peterson; Adrian Turner; Dan Bolintineanu; Joel Clemmer; Devin O’Conner; |
| 75 | A Gravity Driven Inverse Cascade Controls The Size Distribution of Raindrops Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our theory adapts the concept of energy cascade across scales in turbulence to the distribution of drop mass. |
Florian Poydenot; |
| 76 | Mechanical Stability of Lipid Monolayers and Bilayers in The Presence of Pollutants Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Altogether, this work aims to advance our understanding of the role of pollution on lipid membranes, in an effort to illuminate possible fundamental causes of pollution-related damage to cells and guide future avenues of remediation research. |
Marina Pasquet; Joelle Frechette; |
| 77 | Using Hydrogels to Reach Advection-limited Atmospheric Water Capture Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We perform a combination of lab tests and outdoor tests in the hot, arid Las Vegas environment. |
H. Jeremy Cho; Yiwei Gao; Ryan Phung; |
| 78 | Quick Release Anti-Fouling Hydrogels for Solar-Driven Water Purification Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A current impediment to technology translation is the low water production rate well below daily human demand. To overcome this challenge, we designed a rapid-response, antifouling, loofah-inspired solar absorber gel (LSAG) capable of producing potable water from various contaminated sources at a rate of ~ 26 kg m -2 h -1, which is sufficient to meet daily water demand. |
Xiaohui Xu; Rodney Priestley; Sujit Datta; |
| 79 | The Fixed Tropopause Temperature Hypothesis: FiTT for Purpose? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work gives a renewed appreciation for the role of thermodynamics and spectroscopy in determining a major feature of Earth’s general circulation. |
Brett McKim; |
| 80 | Comparing Surface and Column-integrated Aerosol Loadings with Relative Humidity As A Correction Factor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The contribution of trans-boundary aerosols over the observation site is shown using trajectory cluster analysis. |
Jeevan Regmi; Rudra Aryal; Khem Poudyal; Amod Pokhrel; Nabin Malakar; Madhu Gyawali; |
| 81 | A Quantitatively Consistent, Scale-spanning Model for Same-material Tribocharging Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This model correctly predicts that the scale of charge transfer grows with the square root of the contacting area. |
Scott Waitukaitis; Galien Grosjean; Juan Carlos Sobarzo Ponce; Sebastian Wald; |
| 82 | Are Granular Charge Distributions Really Non-Gaussian? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, such measurements are largely made with a single experimental technique, videographic particle tracking, and common sources of error that may affect the shape of distributions—especially at tails where data is sparse—have not been considered. In this article, we show that the shape of such gathered distributions is sensitive to the field at which it is measured; distributions measured at low (high) fields have larger (smaller) tails. |
Nicolas Mujica; Scott Waitukaitis; |
| 83 | Tribocharging of Patchy Particles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We performed DEM numerical simulations of patchy particles and obtained charge transfers with our model which are consistent with experimental results. |
Nicolas Preud’homme; Geoffroy Lumay; Eric Opsomer; |
| 84 | Combined Effect of Moisture and Electrostatic Charges on Granular Materials: An Experimental Approach Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we will discuss a set of experimental results showing the sensitivity of tribocharging to relative air humidity with an optimum around 37%RH. |
Geoffroy Lumay; |
| 85 | Influence of Ambient Humidity on Contact Electrification Between Nonionic Insulators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using the colloidal probe technique it is convincingly shown that when two insulators touch at ambient conditions, water plays an important role in the charge accumulation process due to the presence of H+ and OH- ions. |
Ignaas Jimidar; Gijs Roozendaal; Stefan Kooij; Han Gardeniers; Gert Desmet; Kai Sotthewes; |
| 86 | Can Thermodynamics Explain Contact Charging Between Insulating Polymer Surfaces? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will describe our efforts in using molecular dynamics simulations to characterize possible thermodynamic driving forces for water ions to transfer from one surface to another. |
Michael Webb; Hang Zhang; Sankaran Sundaresan; |
| 87 | Enhanced Stability of Triboelectric Charge By Hydrophilic Air-stable Radicals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We studied charge retention on different self-assembled monolayers (SAMs) on Si wafers. |
Sooik Im; Ethan Frey; Jan Genzer; Michael Dickey; |
| 88 | A Triboelectric Series of Identical Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will show that even identical materials can be ordered in a triboelectric series. |
Juan Carlos Sobarzo Ponce; Scott Waitukaitis; |
| 89 | Probing Surface Charge Densities of Evaporated Polymers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have utilized a Surface Force Apparatus (SFA) to quantify surface charge densities of polymer surfaces in air and water. |
Abdulmalik Alghonaim; Peng Zhang; Yinfeng Xu; Nischal Maharjan; Jamilya Nauruzbayeva; Himanshu Mishra; |
| 90 | Towards Long Term Observation of Individual Aerosol Particle Charging with Optical Tweezers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: When we artificially increase the number of ions surrounding our particle, we observe rapid discharging. |
Isaac Lenton; Andrea Stoellner; Scott Waitukaitis; |
| 91 | Quantifying Nanoscale Charge Density Features of Contact-charged Surfaces with An FEM/KPFM-hybrid Approach Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have developed a method to convert KPFM voltage maps to surface charge density maps. |
Felix Pertl; Juan Carlos Sobarzo; Scott Waitukaitis; Lubuna Shafeek; Tobias Cramer; |
| 92 | Same-material Tribocharging: Single-collision Statistics Point to A Global, Surface-water Driven Mechanism Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By looking at the charge distributions, we find that the charge-driving parameter is global instead of local. |
Galien Grosjean; Scott Waitukaitis; |
| 93 | Role of Thermoelectricity As A Driving Force in Tribocharging Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we propose a ubiquitous triboelectric model based on thermoelectricity, which is generally applicable to solids, liquids, and even gas [1]. |
Euicheol Shin; Jae-Hyeon Ko; Ho-Ki Lyeo; Yong-Hyun Kim; |
| 94 | Mechanism of Dynamic Friction in A Humid Nanocontact Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Consequently, we introduce a mechanism considering a droplet produced within the sliding nano-contact by the accumulation of water adsorbed on the substrate. |
Igor Stankovic; Olivier Noel; Pierre-Emmanuel Mazeran; |
| 95 | Locomotion of Active Polymerlike Worms in Porous Media Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the locomotion of thin, living T. Tubifex worms that behave as active polymers in model quasi-2D porous media made of an array of 3D printed pillars. |
Rosa Sinaasappel; Antoine Deblais; |
| 96 | Folding Patterns in Heterogeneous Active Polymers — Implications for Genome Organization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The folding of polymers into specific conformations is a recurring theme among living cells. Equilibrium theories have long tackled this problem by invoking chemical affinities, which lead to relatively stable conformations with little thermal fluctuations. |
Andriy Goychuk; Deepti Kannan; Arup Chakraborty; Mehran Kardar; |
| 97 | An Investigation of Segmental Dynamics of Poly(pentyl Malonate) Electrolytes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study we investigated the effect of added salt on the segmental dynamics of a novel polymer electrolyte. |
Neel Shah; Naresh Osti; Xiaopeng Yu; Nitash Balsara; |
| 98 | Interactions of An Elastic Ring with Active Nematic Fluid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate how active stresses organize in the presence of soft interfaces by simulating a hydrodynamic model of active nematics coupled with a closed extensible elastic ring using immersed boundary methods. |
Saaransh Singhal; Aparna Baskaran; Thomas Fai; |
| 99 | Behavior of Acoustically Powered Micro-swimmers in A Liquid Crystale Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we demonstrate that acoustically powered bubble microswimmers can efficiently self-propel in a lyotropic liquid crystal. |
Andrey Sokolov; Jaideep Katuri; Alexey Snezhko; |
| 100 | Symmetry Breaking of Self-Propelling Topological Defects in Thin-Film Active Chiral Nematics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we combine continuum theory and hydrodynamic simulation to consider the self-propulsion dynamics of active +1/2 disclinations in a thin-film chiral nematic. |
Weiqiang WANG; Rui Zhang; Haijie Ren; |
| 101 | Probing 3D Active System with Dynamic Phase Separation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study 3D active fluids which merge passive liquid-liquid phase separation with a microtubule-based active fluid. |
Liang Zhao; Itamar Kolvin; Raymond Adkins; Zvonimir Dogic; |
| 102 | Tuning Colloidal Gel Mechanics By Active Doping Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By embedding a small fraction of active particles into the gel, we demonstrate the ability to quickly and precisely control the gel pore structure and mechanics. |
(Edmond) Tingtao Zhou; John Brady; |
| 103 | X-ray Photon Correlation Spectroscopy of Cylindrical and Lamellar Block Copolymers of Controlled Grain Size Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work studied structural dynamics of block copolymers as a function of grain size and morphology. |
Omar Taleb; Patrick Blatt; Kyoungmin Kim; Onyekachi Oparaji; Suresh Narayanan; Qingteng Zhang; Daniel Hallinan; |
| 104 | Be The Flow or Go with It: Dynamics of Individual Bacteria in Bacterial Turbulence Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Taken together, our study reveals the transport of individual bacteria in dense suspensions and sheds light on the microscopic origin of bacterial turbulence. |
Dipanjan Ghosh; Paxson Picken; Xiang Cheng; |
| 105 | Repeatable Power Amplified Actuation of Confined Polymer Gels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our approach utilizes the snapping physics of ribbon-shaped gels to predict the number of snaps and to quantitatively describe how geometry, material properties, and mass transport influence snapping behavior. |
Nolan Miller; |
| 106 | Transition to Freedericksz-type Spontaneous Flow and Spatiotemporal Chaos in Three-Dimensional Active Fluids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the role of confining boundary conditions on the active length scale of a three-dimensional active polar fluid. |
Abhinav Singh; Philipp Suhrcke; Quentin Vagne; Frank Jülicher; Ivo Sbalzarini; |
| 107 | Modeling Shape Transformations in Liquid Crystal Elastomers: A Machine Learning Approach to Inverse Design Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Inspired by recent collaboration with the Lavrentovich group [1], we investigate the inverse design problem for LCE surface coatings that morph to form complex topographies. We present a machine learning approach to address this inverse design challenge. |
Robin Selinger; Youssef Mosaddeghian Golestani; Michael Varga; Badel Mbanga; |
| 108 | Modeling Self-folding of Large-scale Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the morphing of large-scale origami-inspired active structures made from strong and lightweight biodegradable polymer composites. |
Anvitha Sudhakar; Andrej Kosmrlj; Mostafa Akbari; Masoud Akbarzadeh; |
| 109 | Traveling Kinks in Viscoelastic Kirigami Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Mechanical waves without inertia are functional mechanisms often found in nature yet remain rare in synthetic materials—so far, they only exist in active or stimuli-responsive materials. Here, we demonstrate the presence of traveling kinks in purely dissipative metamaterials, and we show that they can be used for sensing applications, dynamic pattern morphing, and transport of objects. |
Shahram Janbaz; Corentin Coulais; |
| 110 | Harnessing Magneto-mechanical Coupling to Tailor Structural Transformations in Soft Composites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, in a purely mechanical setting, the range of admissible patterns is highly restricted. In our work, we address this issue by designing soft multiphase composites with magnetoactive constituents. |
Nitesh Arora; Vincent Chen; Abigail Juhl; Philip Buskohl; Stephan Rudykh; |
| 111 | Manipulating Energy Flows in Non-periodic Mechanical Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the context of mechanical metamaterials, we present a design framework for the automated discovery of non-periodic architectures that are optimized for a single task as well as multiple concurrent tasks. |
Giovanni Bordiga; Eder Medina; Vincent Tournat; Katia Bertoldi; |
| 112 | Shaping with Plasticity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we fix a programmed buckled shape with the precise control of irreversible plastic deformations. |
Victor Charpentier; Tom Marzin; Trevor Jones; Pierre-Thomas Brun; Stephane Bourgeois; Joel Marthelot; |
| 113 | Generalizing Deformable System Dynamics Beyond Euclidean Geometry Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate how the mechanics of extended body systems is affected by the presence of curvature. |
Brian Day; Elisabetta Matsumoto; Steve Trettel; |
| 114 | Electrochemical Actuators for Microrobots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show progress towards the design and fabrication of microrobots with electrochemical actuators. |
Lucas Hanson; William Reinhardt; Scott Shrager; Tarunyaa Sivakumar; Maya Lassiter; Marc Miskin; |
| 115 | Production of Metric Jammed Structures with Morpho Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The metric jammed state may be thought of as the ultimate limit of a sequence of arrest, unjamming, relaxing and subsequent arrest events, whereby the system ultimately becomes rigid both with respect to particle and shape degrees of freedom. In this talk, we explore such configurations with *morpho*, a program for shape optimization and where the surface is directly discretized as a simplicial complex. |
Samuel Hocking; Tim Atherton; Chaitanya Joshi; |
| 116 | Direct 3D Printing of Baromorph Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In baromorph structures the local metric of a soft plate can be changed by inflating embedded channels. In the present work we show that it is possible to build efficiently these channels from a 3D printing technique refered to as direct ink writing. |
Alejandro Ibarra; Etienne Reyssat; José Bico; Benoit Roman; |
| 117 | Deep Spring: Inverse Design of Suspended Elastic Rods Using Physics-Informed Neural Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Previously, by capitalizing on the availability of inexpensive data generated through DER, we have introduced the concept of Deep Spring methodology to tackle the inverse problem for beams. |
Yongkyu Lee; Leixin Ma; Tianyi Wang; Vwani Roychowdhury; Mohammad Khalid Jawed; |
| 118 | Electromechanical Actuation and Control of Active, Living Epithelia Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we discuss our work on engineering and controlling epithelial tissue behavior using electrical cues. |
Gawoon Shim; Isaac Breinyn; Alejandro Martinez-Calvo; Daniel Cohen; |
| 119 | Nonlinear Topological Solitons in Mirror-symmetric Triangle Chains Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This leads to a variety of rich phenomena underpinned by the structure’s specific geometry. Here we present the mirror-symmetric triangle chain, analytically characterize its polarization phase space, and manufacture an idealized prototype through FDM to show that it can be actively reconfigured between bistable states via the propagation of a soliton. |
Aric Moilanen; James McInerney; Ian Frankel; Kai Qian; Jihad Algassimi; Nicholas Boechler; Xiaoming Mao; |
| 120 | Molecular Simulations and Hydrodynamic Theory of Nonlocal Shear Stress Correlations in Supercooled Fluids and Glasses Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We performed molecular dynamics simulations of a binary Lennard-Jones mixture at different temperatures and investigated the spatiotemporal autocorrelation function of the shear stress for different wavevectors, q, from a locally measured and Fourier-transformed stress tensor. |
Joerg Rottler; David Steffen; Ludwig Schneider; Marcus Mueller; |
| 121 | Analysis of Orientational Autocorrelation in Model Glass Forming System Using MD Simulation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We perform an MD study of a model system of molecular dumbbells, where the relaxation spectrum is extracted from the decay of the orientational autocorrelation functions P1 and P2, that is the Legendre polynomials of the cosine of the angle of rotation of molecular axis. |
Jack Yungbluth; James Caruthers; Grigori Medvedev; Brett Savoie; |
| 122 | Facilitation Governs The Fate of Nuclei in The Equilibration of Glasses Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Similarly, a recent theoretical explanation for the melt fronts seen in the melting of ultrastable glasses is couched in terms of proximity to a first-order thermodynamic transition. In this talk, we present in-silico experiments that challenge these ideas. |
Rahul Chacko; François Landes; Giulio Biroli; Olivier Dauchot; Andrea Liu; David Reichman; |
| 123 | Novel Experimental Method to Measure The Static Correlations in Supercooled Molecular Glass-forming Liquids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we design an experiment to extract the static length scales in molecular liquids using dilute amounts of another large molecule as a pinning site. |
Rajsekhar Das; Bhanu Prasad Bhowmik; Anand Balan Puthirath; Tharangattu N. Narayanan; Smarajit Karmakar; |
| 124 | Mechanism of Deformation in Metallic Glasses: Is The Concept of Defects Useful? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show via molecular-dynamics simulations that there is no apparent relationship between atomic rearrangements and the local atomic environment as measured by the atomic-level stresses, kinetic and potential energies, and the per-atom Voronoi volume. |
Charles Lieou; Takeshi Egami; |
| 125 | Generation and Structural Characterization of Stealthy Hyperuniform Many-Particle Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: While considerable progress has been made in the generation and structural characterization of such systems, there are many open questions concerning the precise nature of the ground-state manifold and the phase transition from disordered to ordered states as a function of the stealthiness parameter. We shed light on these issues using the collective-coordinate approach for stealthy hyperuniform systems across Euclidean space dimensions. |
Peter Morse; Paul Steinhardt; Salvatore Torquato; |
| 126 | Unification of Temperature Dependence of Mobility in The Arrhenian and Super-Arrhenian Region Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Several molecular descriptors which change their temperature dependence at T α have been identified, including the mean squared force applied to a molecule. We propose a mapping between these descriptors and log a that results in the linearization of the log a data across the entire range, including both the Arrhenian and super-Arrhenian regions. |
Jack Yungbluth; Grigori Medvedev; Brett Savoie; James Caruthers; |
| 127 | Temperature and Driving Rate Effects on The Yielding Transition of Amorphous Solids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find that in the continuously flowing phase, the HB exponent transitions to a lower value when the temperature is high [1]. We present scaling arguments that connect the smaller temperature truncated avalanches to this high-temperature HB exponent and compare this to alterations in HB scaling found in a related mean-field model. |
Daniel Korchinski; Joerg Rottler; |
| 128 | Burrowing Dynamics of Magnetoelastic Robots in Shallow Granular Beds Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our research draws inspiration from biomimetic soft robot designs that imitate how biological organisms respond to stimuli and their surroundings. |
Animesh Biswas; Balaram Desai; Max Moss; Arshad Kudrolli; |
| 129 | Model-free Tracking Control of Regular and Chaotic Trajectories with Machine Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, by exploiting machine learning, we articulate a completely model-free framework to control a two-arm robotic manipulator, where the control objective is to track both simple and complicated trajectories, e.g., periodic and chaotic trajectories, as desired by using only partially observed states. |
Zheng-Meng Zhai; Ying-Cheng Lai; Mohammadamin Moradi; Ling-Wei Kong; |
| 130 | Exploring LC Parameter Space with Experimentally-informed Bayesian Optimization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose the use of Bayesian optimization to circumvent the computational cost, while providing a proficient approach that is directly informed by the qualitative match between experiments and simulations. |
Viviana Palacio-Betancur; Chuqiao Chen; Juan De Pablo; |
| 131 | Synergistic Self-assembly of Rod-like Monomers in Blue Phase Liquid Crystal for Tunable Optical Properties Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The fluid lattice nanostructure of blue phase liquid crystals (BPLCs) has become a subject of interest in field of soft matter research particularly in electro-optic devices, … |
Tejal Pawale; |
| 132 | Electro-Optical Properties of Ferroelectric Nematic Droplets in Isotropic Melt Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present electro-optical properties of ferroelectric nematic liquid crystal droplets coexisting with the isotropic melt during direct isotropic to ferroelectric nematic transition [3]. |
Kelum Perera; Rony Saha; Pawan Nepal; Rohan Dharmarathna; Md Sakhawat Hossain; Alex Adaka; Robert J. Twieg; Antal Jakli; |
| 133 | Out-of-Equilibrium GENERIC Modeling Predicts Lyotropic Liquid Crystal Emulsions with Diffuse Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These lyotropic LCs studies raise questions about the effective parameters that can transform their chaotic dynamics into a coherent motion. To tackle this challenging problem, we use the GENERIC formalism to construct a thermodynamically consistent model. |
Jonathan Salmerón-Hernández; Pablo Zubieta; Juan De Pablo; Hans Oettinger; |
| 134 | Analytical Predictions for 3D Disclination Motion in Nematic Liquid Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present analytical methods for predicting the motion of three-dimensional line disclinations. |
Cody Schimming; Jorge Vinals; |
| 135 | Dislocation Loops in Smectic Liquid Crystals from Topology Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By starting from the purely topological fact that dislocations can be split into disclination pairs, we analyze how edge and screw dislocations can form loops in smectic liquid crystals. |
Paul Severino; Randall Kamien; |
| 136 | Surfing The Order Parameter: Nanoparticle Transport at A Moving Nematic-isotropic Phase Boundary Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: If colloidal nanoparticles are initially uniformly distributed in the isotropic phase, they are found to be experimentally transported by the moving phase boundary. Here we create a simple model for this transport process by coupling a scalar Allen-Cahn equation describing the phase transition to a Fokker-Planck equation describing the particle distribution. |
Tom Shneer; Timothy Atherton; Linda Hirst; Alauna Wheeler; Devika Sudha; Ben Stokes; Jocelyn Ochoa; |
| 137 | Rheological and Optical Behavior of Suspensions of Shape-Changing Liquid Crystal Drops Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These morphologies can be produced reversibly, and if desired, can be converted into liquid crystal elastomers (LCEs) by UV curing. In the present work, we anticipate changes in drop hydrodynamics, and therefore changes in the whole suspension rheological behavior, with heating and cooling. |
Charlotte Slaughter; Zhe Liu; Wei-Shao Wei; Kevin Aptowicz; Peter Collings; Chinedum Osuji; Arjun Yodh; |
| 138 | Dynamics of Topological Defects on Cones Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the ground state configurations of two-dimensional liquid crystals with p-fold rotational symmetry (p-atics) on fixed curved surfaces. |
Farzan Vafa; Siavash Monfared; Grace Zhang; David Nelson; Amin Doostmohammadi; |
| 139 | Interaction Between Thin Rods: An Analytical Potential and Its Implementation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we have extended Hamaker theory to the system of two thin rods and derived an analytical expression of the integrated LJ potential between two rods with arbitrary lengths, separations, and orientations. |
Junwen Wang; Gary Seidel; Shengfeng Cheng; |
| 140 | Effects of Pre-Stretch on Thermomechanical Behaviors of Nematic Liquid Crystal Elastomers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk will present our recent progress in the fundamental understanding of several thermomechanical behaviors of nematic LCEs under both mechanical load and prescribed temperature. |
Zhengxuan Wei; Peixun Wang; Ruobing Bai; |
| 141 | Finite-temperature Statistical Mechanics of Liquid Crystals with P-fold Rotational Symmetry on Cones and Hyperbolic Cones Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We then numerically and theoretically study these systems at finite-temperature. In particular, we perform Monte Carlo simulations to investigate the finite temperature behaviors of topological defects and the apex charge above and below the defect-unbinding transition expected in flat space. |
Grace Zhang; Paul Hanakata; Farzan Vafa; David Nelson; |
| 142 | Direct Measurements of Surface Strain-mediated Lateral Interactions Between Adsorbates in Colloidal Heteroepitaxy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Importantly, we provide direct evidence for long-ranged strain-mediated interactions between adsorbates and show that it alters the growing film’s morphology. |
Manodeep Mondal; |
| 143 | Numerical Investigation of Colloid-transport in Nonpolar Solvents for Electronic Paper Displays Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Based on the gained insight, the idea of increasing the zeta potential of the substrate is proposed, which we show can significantly improve the speed at which colloidal particles migrate across the fluid cell. |
Wei Liu; Mohammad Ahmadi; Alex Henzen; Jan Groenewold; Hans Wyss; |
| 144 | Electrostatic Interactions of Colloidal Particles Straddling A Fluid-Fluid Interface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a more detailed look at the electrostatic interactions between two spherical particles for arbitrary finite separations under the presence of an electric field. |
Subramaniam Chembai Ganesh; Charles Maldarelli; Jeffrey Morris; Joel Koplik; |
| 145 | Brownian Dynamics Modeling of Colloidal Assembly on Curved Interfaces Subject to Isotropic and Anisotropic Electrostatic Interactions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this research, a new Brownian dynamics algorithm is exploited to simulate microparticle dynamics on curved surfaces of arbitrary geometries that cannot be parametrized analytically. |
Nasir Amiri; Xin Yong; |
| 146 | Nucleation Around A Charged Particle in A Polar Environment Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the first part of the work, we generalized the Thomson model to polar fluids, by assuming a well-defined liquid-vapor interface and existence of dissociated ions. |
Roni Kroll; Yoav Tsori; |
| 147 | Phase Separation of Water-in-oil Nanoscale Emulsion Using Non-Laplacian Electrostatic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we demonstrate a significantly more effective electro-coalescence method based on corona discharge that drastically enhances the rate of phase separation of nanoscale emulsions and eliminates the use of toxic demulsifiers. |
Simon Rufer; Sreedath Panat; Vishnu Jayaprakash; Kripa Varanasi; |
| 148 | Electrophoresis of Ferroelectric Nematic Liquid Crystal Droplets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report on the electrophoresis of ferroelectric nematic (N F) liquid crystal droplets confined between two plates with a uniform alignment of the director and surrounded by an isotropic fluid. |
Mojtaba Rajabi; Oleg Lavrentovich; |
| 149 | Electrophoretic NMR Measurements of POSS-based Multivalent Electrolytes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we perform pulsed-field-gradient (PFG) NMR and electrophoretic NMR (eNMR) measurements on a novel polyhedral oligomeric silsesquioxane (POSS)-based polyanionic electrolyte dissolved in a carbonate-based solvent. |
David Halat; Saheli Chakraborty; Julia Im; Darby Hickson; Jeffrey Reimer; Nitash Balsara; |
| 150 | Anomalous Diffusion of Lithium-Anion Clusters in Ionic Liquids Using MD Simulations and Deep Learning Analysis Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To understand the lithium ion transport dissolved in the ionic liquids, we conducted molecular dynamics (MD) simulations consist of [PYR 14][TFSI] with added [Li][TFSI] salt. |
YeongKyu Lee; |
| 151 | Capacitance and Phase Behavior of Diluted Ionic Liquid Supercapacitors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the effects of dilution on the performance of RTIL EDLCs using a simple mean-field model. |
Samuel Varner; Zhen-Gang Wang; |
| 152 | AC-electrokinetic Manipulation of Organic-inorganic Polymeric Coacervates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: When applied ac-electric field exceed a critical value, we observe the droplet-like coacervate formation and chain-like coacervate assembly in response to dielectrophoresis (DEP) in non-uniformed ac-fields across two coplanar microelectrodes. |
Ali Hatami; Yingxi Elaine Zhu; JAMUNA VAISHNAV; |
| 153 | Impact of Ionic Surfactants on The Electrokinetic Control of Viscous Fingering: An Experimental Approach Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we experimentally investigate the synergetic effect of an externally applied electric field and ionic surfactants on the (de)-stabilization of the interface between a more viscous perfect dielectric fluid and an immiscible, less viscous, conducting surfactant solution. |
Benedicta Nwani; Ian Gates; Anne Benneker; |
| 154 | The Coupling of Charge Regulation and Geometry in Soft Ionizable Molecular Assemblies Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This leaves a gap in the intuitive understanding of the charge regulation process. To tackle this problem, we combined X-ray scattering, molecular dynamics simulations and Poisson-Boltzmann theory to predict the degree of ionization in charged assemblies. |
Joseph McCourt; Sumit Kewalramani; Leticia Lopez-Flores; Michael Bedzyk; Monica Olvera De La Cruz; |
| 155 | Flow Around A Circular Cylinder Controlled By Asymmetric Plasma Actuation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The present study focuses on the detailed flow structure including the wall jets, the evolution of vortices, and the resultant momentum of the flow induced by the DBD actuators in order to gain more insight into flow control mechanisms under different types of actuation. |
Zihao Zhu; |
| 156 | Nanomaterials Patterning in An Extrusion-based 3D Printing Process Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we explore various strategies to integrate a broad range of forces into an extrusion-based 3D printing process. |
Samuel Hales; Jared Anklam; Yong Lin Kong; |
| 157 | Examining The Effect of DNA Flexibility in Complex Coacervates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To vary flexibility, we exploit the programmable nature of DNA specifically studying the coacervation of single-strands, double-strands, and hairpins complexing with poly-l-lysine. |
Anna Nguyen; Omar Saleh; |
| 158 | The Growth Rate of DNA Condensate Droplets Increases with The Size of Participating Subunits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Beyond suggesting a route toward achieving control of condensation kinetics via design of subunit size in synthetic liquids, our work suggests that particle size may be a key parameter in biological phase separation. |
Elisa Franco; Siddharth Agarwal; Dino Osmanovic; Melissa Klocke; |
| 159 | Phase Separation Via Simultaneous Interactions: The Cooperation of Electrostatics and Base Pairing Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Overall, this work finds an extraordinary diversity of phase behaviors over a relatively narrow range of conditions, apparently due to a subtle balance between the electrostatic and base pairing interactions. |
Gabrielle Abraham; Anna Nguyen; Sam Wilken; Omar Saleh; |
| 160 | Emulsion Imaging of A DNA Nanostar Condensate Phase Diagram Reveals Valence and Electrostatic Effects Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we develop a method for accurately quantifying the phase diagram without direct handling: We confine the sample within micron-scale, water-in-oil emulsion droplets, then use precision fluorescent imaging to measure the volume fraction of the condensate within the droplet. |
Nathaniel Conrad; Grace Chang; Deborah Fygenson; Omar Saleh; |
| 161 | Interplay Between Self-assembly and Phase Separation in A Polymer-complex Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we introduce a theoretical model inspired by a DNA nanostar system, where single-stranded DNA can either assemble into nanostars through hybridization or undergo liquid–liquid phase separation. |
Tianhao Li; Omkar Hegde; Marco Borja; Anjali Sharma; W. Benjamin Rogers; William Jacobs; |
| 162 | Complexation of DNA Block Copolymers with Ionic Liquids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we synthesize DNA- b-poly(ethylene glycol) (DNA- b-PEG) block copolymers and investigate their complexation with a number of biocompatible ILs. |
Sheng Li; Young Hun Kim; |
| 163 | Molecular Excitonic Networks Organized By DNA Scaffolds Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we examine a series of chemically-modified Cy dye aggregates organized on DNA scaffolds. |
Joseph Melinger; Adam Meares; Kimihiro Susumu; Brian Rolczynski; Young Kim; Divita Mathur; Sebastian Diaz; Igor Medintz; |
| 164 | Curvature Controlled Self-limited Assembly Using DNA Origami Building Blocks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This project aims to construct large capsids with a high yield using a minimal number of building blocks. |
Rupam Saha; Thomas Videbaek; Wei-Shao Wei; Daichi Hayakawa; Tijana Ivanovic; William Rogers; Seth Fraden; |
| 165 | Re-entrant Condensation of DNA Due to The Competition Between Self-assembly and Phase Separation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will show that the phase behavior of DNA NSs is far richer than anticipated. |
Omkar Hegde; Tianhao Li; Marco Borja; Anjali Sharma; William Jacobs; W. Benjamin Rogers; |
| 166 | DNA Origami Arm Powered By A Local Heater Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We create a DNA origami-based machine that is a semi-flexible hinge made out of single-stranded DNA and a lever arm made with 6 helix bundles. |
Aditya Vikram Hardikar; Kun Wang; Heng Ni; Ruojie Sha; Paul Chaikin; |
| 167 | The Role of Oral Tests in The Advanced Lab ~ Impact of Covid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Communication skills trained include professional report writing, equipment seminar presentations, oral prelabs (student preparedness for lab and safety), and oral exams (assess a student’s proficiency in lab and data analysis skills). |
Rudi Michalak; |
| 168 | Quadrupolarization As A Teaching Tool Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we extend the usual treatment of surface and bound charge to the quadrupolar case. |
Brian Lee; Kevin Setter; |
| 169 | Expanding In-class Peer Leadership Format to Large Class Sizes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present our findings from offering the IPLP format in a 120-student classroom, a 50% scale increase. |
Mikkel Jensen; Eliza Morris; Bita Rivas; |
| 170 | Generalized Dynamc Junction Theory to Resolve The Mechanism of Direct Current Generation in Liquid -solid Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: All experiments can be described after we distinguish a dynamic from a static interface and generalize the photovoltaic-like effect to all dynamic junctions: excited electrons and holes in a moving interface will be separated and swept under the built-in electrical field, leading to a DC response . |
Aniqa Lim; |
| 171 | Temperature Dependence of The Acoustic Properties of A Natural Slug Mucus By Brillouin Light Scattering Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Brillouin light scattering spectroscopy was used to probe the acoustic properties of a natural gastropod mucus, which consists primarily of water and glycoproteins, over the range … |
Dillon Hanlon; |
| 172 | Gauging Nanoswimmer Dynamics By Tracking The Motion of Large Bodies Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, measuring nanoswimmers proved extremely challenging due to their minute size and the dominant effect of thermal fluctuations. To address this problem, we present a simple recipe to probe the elusive physical features of nanoswimmers by measuring their effect on easily traceable micron-size particles. |
Ashwani Tripathi; Tsvi Tlusty; |
| 173 | Universal Thermodynamic Bounds on Spontaneous Chiral Symmetry Breaking Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we build several thermodynamically consistent nonequilibrium reaction networks and investigate their thermodynamic properties and bounds under SCSB. |
Shiling Liang; Daniel Maria Busiello; Paolo De Los Rios; |
| 174 | Field-theoretic Approach to Reaction-Diffusion Models Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A mean-field theory is developed for the Gray-Scott and related reaction-diffusion models. |
Prashant Sharma; |
| 175 | Anomalies in The Sheared Nucleation Behaviour of Glass-forming Supercooled Liquids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have formulated a modified Classical Nucleation Theory (called shear-CNT), which is a cost-effective methodology pairing seeded MD simulations with extended CNT equations, explicitly incorporating the shear rate as a dependent variable. |
Amrita Goswami; |
| 176 | Interaction Between Electron and Surface Acoustic Wave Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: We probe the two-dimensional electron systems using continuous surface acoustic wave at mK-temperature. We perform thorough measurements of the acoustic wave propagation velocity … |
Mengmeng Wu; |
| 177 | Complexity-size Scaling Relation in Flow Networks Away from Thermodynamic Equilibrium: Variational Principles Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Complex systems can be represented by flow networks for energy and matter such as Rayleigh-Benard convection, river basins, lightning, circulatory systems of different kinds, etc. … |
Georgi Georgiev; Matthew Brouillet; |
| 178 | A Statistical Approach for The Rapid Prediction of Electron Relaxation Time Using Elemental Representatives Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a machine learning based statistical model for a rapid prediction of experimental electrical conductivity (σ) and subsequent estimation of temperature dependent relaxation time (τ el). |
Madhubanti Mukherjee; Swanti Satsangi; Abhishek Singh; |
| 179 | Equilibrium Molecular Dynamics of Methane Hydrate Systems at Pre-nucleation Conditions to Predict System Transport Properties Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work implemented systems consisting of approximately 7,600 atoms that were methodically equilibrated with the primary intent to develop stable and physically representative systems adequate for the estimation of bulk phase transport properties via the methods above. |
Andre Guerra; Samuel Mathews; Phillip Servio; Alejandro Rey; Milan Maric; |
| 180 | Scaling Laws in Deep Neural Networks: Insights from Statistical Mechanics and Exactly Solvable Models Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A full understanding — and in particular, a prescriptive theoretical framework — for what governs this scaling is lacking. Towards this end, I will discuss our work introducing a classification of different regimes of behavior — notions of "resolution-limited" and "variance-limited" regimes — based on the mechanistic origins behind the scaling. |
Yasaman Bahri; |
| 181 | Results from A Mapping Between Reinforcement Learning and Non-Equilibrium Statistical Mechanics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this setting, we derive results in RL that are analogous to the Gibbs-Bogoliubov’s inequality in equilibrium statistical mechanics. We propose methods to iteratively improve this bound based on results from RL. |
Jacob Adamczyk; Argenis Arriojas Maldonado; Stas Tiomkin; Rahul Kulkarni; |
| 182 | The Onset of Variance-Limited Behavior for Neural Networks at Finite Width and Sample Size Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, at a training set size, the finite-width network generalization begins to worsen compared to the infinite width performance. We empirically study the transition from the infinite width behavior to this variance-limited regime as a function of training set size and network width and network initialization scale. |
Alexander Atanasov; Cengiz Pehlevan; Blake Bordelon; Sabarish Sainathan; |
| 183 | Feature Learning and Overfitting in Neural Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Yet, understanding when and how this feature learning improves performance remains a challenge: for example, for a fixed task such as classifying images, feature learning is beneficial in modern architectures but detrimental in standard fully-connected feed-forward networks. Here we propose an explanation for this puzzle, by showing that feature learning can result in poor generalization performances as it leads to a `sparse’ neural representation, where only a fraction of the connection in the original network are active. |
Francesco Cagnetta; |
| 184 | Flatter, Faster; Scaling Momentum for Optimal Speedup of SGD Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we study implicit bias arising from the interplay between SGD with label noise and momentum in the training of overparametrized neural networks. |
Aditya Cowsik; Tankut Can; Paolo Glorioso; |
| 185 | Statistical Mechanics of Infinitely-Wide Convolutional Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce a stylised teacher-student framework where a CNN is trained on the output of another CNN with random weights. |
Alessandro Favero; Francesco Cagnetta; Matthieu Wyart; |
| 186 | Phase Diagram of Training Dynamics in Deep Neural Networks: Effect of Learning Rate, Depth, and Width Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We systematically analyze optimization dynamics in deep feed-forward neural networks (DNNs) trained with stochastic gradient descent (SGD) over long time scales and study carefully the effect of learning rate, depth, and width of the neural network. |
Dayal Singh Kalra; Maissam Barkeshli; |
| 187 | Generative Probabilistic Matrix Model of Data with Different Low-dimensional Latent Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The model’s special cases include hierarchical clusters, sparse mixing, and non-negative mixing. We describe the correlation and eigenvalue distributions of these patterns within the general model and discuss how our model can be used to generate structured training data for supervised learning. |
Philipp Fleig; Ilya Nemenman; |
| 188 | The Evolution of The Fisher Information Matrix During Deep Neural Network Training Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: al. 2021), but further study is required. Here, we study the evolution of the Fisher Information Matrix throughout training in both the early and late phase, and identify a number of dynamical signatures of its behavior. |
Chase Goddard; David Schwab; |
| 189 | When Does Dual Dimensionality Reduction Perform Better Than Single Dimensionality Reduction? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we use a generative model of multivariate correlated data and linear dimensionality reduction approaches to carefully explore under which conditions DDR methods outperform independent approaches. |
Eslam Abdelaleem; K. Michael Martini; Ahmed Roman; Ilya Nemenman; |
| 190 | Physics-Informed Featurization of Spectral Functions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate two methods for approximating spectral functions via rational approximations, i.e., approximations as a ratio of two polynomials. |
Shubhang Goswami; Kipton Barros; Matthew Carbone; |
| 191 | Efficient Modelling of Ge15Te85 Using Active Learning Methods Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We discuss active learning, compare training methods, and evaluate the ability of trained MLIPs to match experimentally known quantities of Ge 15Te 85. |
Thomas Arbaugh; Francis Starr; |
| 192 | A Simple Model for Grokking Modular Arithmetic Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk I will present a simple neural network that groks a variety of modular arithmetic tasks. |
Andrey Gromov; |
| 193 | Equilibrium Propagation: A Physics-Grounded Theory of Computation and Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a mathematical framework of computation and learning grounded in physical principles, called "equilibrium propagation" (Eqprop). |
Benjamin Scellier; |
| 194 | Frequency Propagation: Multi-mechanism Learning in Nonlinear Physical Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce frequency propagation, a learning algorithm for nonlinear physical networks. |
Vidyesh Rao Anisetti; |
| 195 | Physical Learning of Energy-efficient Solutions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We describe the regularized learning dynamics and discuss how regularization leads to a trade-off between task performance and energy efficiency. |
Menachem Stern; Sam Dillavou; Douglas Durian; Andrea Liu; |
| 196 | Persistent Homology Analysis of Learned Tasks in Physical Learning Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Recent work has shown that physical systems such as mechanical, flow and electrical networks can be trained to perform complex tasks. For tasks such as the delivery of specified … |
Felipe Martins; Andrea Liu; |
| 197 | The Effect of Learning on Information Content in Learning Machines Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we use information measures to study the learning process, starting with lossless compression of the network’s response. |
Ben Pisanty; Menachem Stern; Andrea Liu; |
| 198 | Transistor-Based Self-Learning Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This is important because the speed advantage is expected to grow with the size of the network. We observe the system’s dynamics during learning and discuss its scalability, power consumption, and robustness. |
Sam Dillavou; Benjamin Beyer; Menachem Stern; Marc Miskin; Andrea Liu; Douglas Durian; |
| 199 | Physical Learning at Nonzero Temperatures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Although such communication pathways are not yet fully understood, allosteric mechanisms have been successfully encoded at effectively zero temperature in computational models as well as physical realizations. Here, by examining the role of temperature on physical learning, we investigate whether these long-ranged interactions are as robust to thermal fluctuations as their biological counterparts. |
Jovana Andrejevic; Purba Chatterjee; Sidney Nagel; Andrea Liu; |
| 200 | Electrochemical Potential Enables Dormant Spores to Integrate Environmental Signals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Specifically, we studied thousands of individual Bacillus subtilis spores that remain dormant when exposed to transient nutrient pulses. |
Leticia Galera-Laporta; Kaito Kikuchi; Colleen Weatherwax; Jamie Lam; Eun Chae Moon; Emmanuel Theodorakis; Jordi Garcia-Ojalvo; Gürol Süel; |
| 201 | Bounds on Predictive Capabilities of Driven Markov Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We used coupled Markov chains to quantify the predictive capabilities of a system that evolves under the influence of a stochastically changing environment. |
Ugur Cetiner; Lisa Duan; Jeremy Gunawardena; |
| 202 | Driving The Most Marginally Stable Variables As A Paradigm for Learning, Memory, and Optimization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: As an example, we discuss the approximation of spin-glass ground states, an NP-hard combinatorial problem, with the Extremal Optimization heuristic (EO) [2]. |
Stefan Boettcher; |
| 203 | A Local Learning Rule for Training Precise Stress Patterns Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our goal is to control the stresses on a subset of the bonds, which we call targets. |
Daniel Hexner; |
| 204 | Self-learning Mechanical Circuits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In particular, we develop a theoretical framework for studying a class of adaptive elastic materials and demonstrate how directed information propagation within a network leads to learning behavior. |
Vishal Patil; Ian Ho; Manu Prakash; |
| 205 | Design Ideal Shock-absorbing Metamaterials with Sequential Plastic Buckling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we strategically use plastic buckling to create metamaterials that can buckle sequentially in an arbitrary large number of steps, behaving as ideal and reusable shock absorbers. We demonstrate this approach in 2D, 2D axisymmetric, and 3D metamaterials and show how they perform as ideal and reusable shock absorbers. |
Wenfeng Liu; Corentin Coulais; Shahram Janbaz; |
| 206 | Robust One-way Transport in Maxwell-lattice Mechanical Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we introduce a 2D mechanical system based on Maxwell lattices with low-frequency topological edge waves and demonstrate direction-selecting energy transfer through phase control. |
Wenting Cheng; Kai Sun; Xiaoming Mao; |
| 207 | Architectured Floppy Modes in Combinatorial Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The spatial distribution and mutual alignment of these blocks enable us to design the multiplicity and precise spatial structure of the cooperative floppy modes in the resulting metamaterial. We develop a theoretical framework for exactly constructing all the floppy modes of any such metamaterial. |
Tomer Sigalov; Corentin Coulais; Yair Shokef; |
| 208 | Self-Dual 2D Elastic Lattices with Finite Frequency Topological Maxwell Modes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work presents our recent discovery of a new class of topological modes intrinsic to elastic self-dual lattices localized near pinned (i.e., restricted to move) lattice sites. |
Hrishikesh Danawe; Heqiu Li; Kai Sun; Serife Tol; |
| 209 | Designing Ground States and Degeneracies of Complex Triangular Mechanical Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We design complex responses by utilizing geometric frustration – the inability of all mechanical elements to simultaneously deform in harmony. |
Chaviva Sirote; Robin Selinger; Yair Shokef; |
| 210 | A Single Input State Switching Building Block Harnessing Internal Instabilities Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present an elastic and contact-less state-changing building block that harnesses internal instabilities to switch between two distinct states as a response to a single stimulus. |
Malte ten Wolde; Davood Farhadi; |
| 211 | Volterra Series As An Intermediate Representation for Designing Smart Mechanical Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Since speech recognition is of fading memory, we propose to optimize mechanical systems for speech recognition through Volterra series representations. |
Finn Bohte; Théophile Louvet; Vincent Maillou; Marc Serra-Garcia; |
| 212 | Tetra-, Tri-, Di-, and Mono-mode Metamaterials with Cubic Symmetry Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a comprehensive design guide for crystalline metamaterials with tetra-, tri-, di-, and mono-mode based on cubic elasticity – the simplest anisotropic case specified by 3 elastic constants only. |
Yunya Liu; Pai Wang; Christian Kern; Bolei Deng; |
| 213 | Towards Two Time Axes: Synthetically Non-Hermitian Nonlinear Wave-like Behavior in A Topological Mechanical Metamaterial Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The discovery of novel topological phases of matter has quickly become important in the study of condensed matter physics, photonics, and more recently mechanics. |
Ian Frankel; Haning Xiu; Xiaoming Mao; Zi Chen; Nicholas Boechler; Kai Qian; Siddhartha Sarkar; Harold Liu; Brianna MacNider; |
| 214 | Computational Discovery of Microstructured Composites with Optimal Strength-Toughness Trade-Offs Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report a widely applicable pipeline harnessing physical experiments, numerical simulations and artificial neural networks to efficiently discover microstructured designs that are simultaneously tough and strong. |
Bolei Deng; |
| 215 | Effects of Pore Shape Contour on Band Gaps of 2D Periodic Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study contours of pore shape and investigate their effects on the band gaps of two-dimensional monolithic porous phononic metamaterials. |
Sharat Chandra Paul; Hongsup Oh; Jacob Hochhalter; Pai Wang; |
| 216 | Mirror-symmetry-protected Higher-order Topological Zero-frequency Edge and Corner Modes in Maxwell Lattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we demonstrate mirror symmetry protected higher order topology in a Maxwell lattice consisting of point masses connected by springs where the number of degrees of freedom equals the number of constraints. |
Siddhartha Sarkar; Xiaoming Mao; Kai Sun; |
| 217 | Optimization of The Small-amplitude Dynamic Triggering Mechanism of Bi-stable Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We analyze and optimize a new class of multi-stable mechanical metamaterials with a high stretch ratio between the contracted state and the expanded state. |
Md Nahid Hasan; Taylor Greenwood; Yong Lin Kong; Pai Wang; |
| 218 | Observation of Frozen Mode of Stationary-Inflection-Point Dynamics in Nonlocal Phononic Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a new type of phononic metamaterials with non-local interactions. |
Fei Chen; Pai Wang; |
| 219 | Elastic Mimicry of Gravitational Waves Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We design a new mechanical metamaterial for a series of experiments to mimic the characteristics of gravitational waves. |
zilong zhao; |
| 220 | Molecular Self-Assembly in Topological Defects of Liquid Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This presentation will describe how nanoscopic environments defined by LC topological defects can selectively trigger processes of molecular self-assembly. |
Nicholas Abbott; |
| 221 | Reconfigurable Assembly of Topological Defects in Smectic Liquid Crystals Confined at 3D-printed Curved Surfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we show the advantages of using 3D-printed curved surfaces to confine smectic liquid crystals and engineer new structures of topological defects [1,2]. |
Mohamed Amine Gharbi; |
| 222 | Portraits of Topological Defects in Static, Driven, and Active Nematic Liquid Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss our recent efforts in employing different simulation methods combined with experiments to characterize disclination behaviors in nematic liquid crystal in static state, under driven flows, or driven by active stresses. |
Rui Zhang; |
| 223 | Fine Structure of The Defect Cores in Lyotropic Chromonic Liquid Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we explore the cores of disclinations in the so-called chromonic nematics that extend over macroscopic length scales accessible for optical characterization. |
Shuang Zhou; Oleg Lavrentovich; Sergij Shiyanovskii; Heung-Shik Park; |
| 224 | Shape-morphing of Topological Liquid Crystal Elastomer Kirigami Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the actuation of laser-cut liquid crystal elastomer (LCE) samples imprinted with topological defects in their director microstructure and a director splay/twist along sample thickness. |
Vianney Gimenez-Pinto; Juan Chen; Jinghua Jiang; Chenhui Peng; |
| 225 | A Minimal Approach to Distributed Control for Soft Robots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Each executes a fully decentralized, local, and asynchronous algorithm to solve the system-wide problem of moving to the light (phototaxis). With this research, we aim to explore how distributing a robot’s "brain" over its body could achieve more robust behavior during a locomotion task. |
mannus schomaker; |
| 226 | Electrically Controlled Plant Soft Actuator Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we show how a Venus flytrap can be used to build on-demand actuator devices. |
Wenlong Li; |
| 227 | A Machine Learning-aided Approach to The Rapid Design of Kirigami-inspired Soft Deployable Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a rapid design approach for fully soft structures that can achieve targeted 3D shapes through a fabrication process that happens entirely on a 2D plane. |
Leixin Ma; Mrunmayi Mungekar; Vwani Roychowdhury; Mohammad Khalid Jawed; |
| 228 | Morphing with Flexible Fibres Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a simple mechanical model to capture the structural properties and effective cohesion of the assembly. |
Joel Marthelot; Ignacio Andrade-Silva; Julien Fongnikin; Olivier Pouliquen; |
| 229 | Symmetries in Origami Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: While it is intractable to characterize the mechanical response of crease patterns with generic geometries, most applications rely heavily on crystallographic symmetries to achieve, or prohibit, folding of the sheet. In this talk, I present succinct analytical results that characterize exotic features of periodic origami sheets, from negative Poisson’s ratios to topological phases, via such symmetries. |
James McInerney; Xiaoming Mao; Zeb Rocklin; Glaucio Paulino; Diego Misseroni; Siddhartha Sarkar; |
| 230 | Multifunctional Fluidic Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Currently, there is no general design strategy for building non-electronic control modules that require few inputs yet enable multiple functionalities. Here, we present a fluidic network that can act as just such a multifunctional control device. |
Anne Meeussen; Katia Bertoldi; Adel Djellouli; Ahmad Zareei; Louis-Justin Tallot; Alexia Allal; |
| 231 | Reduce Order Modeling of Soft Hierarchical Multistable Metasheets with Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work analyzes the global stable states of our metasheet by investigating the interrelations between units and their spatial arrangement. |
Juan Osorio; Andres Arrieta; |
| 232 | Optimal Design for Artificial Organoids: Inverse Design of Muscle-Epithelial Bilayer Morphing System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we are posing the inverse problem: understanding how to choose design parameters given a desired deformed shape. |
Yenan Shen; Andrej Kosmrlj; |
| 233 | Towards Functional Shells Using Architectured Inflatable Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We aim at reducing instabilities and maximizing shell stiffness through channel geometry optimization and mechanical reinforcement of the structure. |
Nathan Vani; Etienne Reyssat; José Bico; Benoit Roman; |
| 234 | Multistable Inflatables for Meter Scale Reconfigurable Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we introduce a design strategy based on multistability to realize inflatables that can support a variety of shapes in the inflated state. |
Yi Yang; Hye Jun Youn; Jin Feng; Katia Bertoldi; |
| 235 | Spatially Programming Stretchability in An Elastomer Composite with UV Light Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we combine silicone elastomer and UV-curable thermoset resin to form an interpenetrating polymer network with orthogonal cross-linking reactions. |
Michelle Yuen; Robert Wood; |
| 236 | Autonomous Control of A Mobile Robot Using A Mechanical Metamaterial “Brain” Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present an autonomous mobile robot that is controlled exclusively by a flexible mechanical metamaterial without any digital electronics. |
Cyrill Bösch; Giovanni Bordiga; Connor McCann; Eder Medina; Michelle Yuen; Yichu Jin; Oluwaseun Araromi; Andreas Fichtner; Katia Bertoldi; |
| 237 | Bead Encapsulation and Ejection from Droplet for Solid-Phase Synthesis Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, this has remained challenging from a physical sample handling standpoint due to the inability to move individual beads across the droplet-medium interfaces. Here, we show the electric field assisted encapsulation and ejection of individual hydrophobic beads from aqueous microdroplets and describe its operation as a voltage dependent change in the electrofluidic potential energy of the system. |
Punnag Padhy; Mohammad Zaman; Michael Jensen; Yao-Te Cheng; Ludwig Galambos; Ronald Davis; Lambertus Hesselink; |
| 238 | Inverse Solution for High Fidelity Shaping of Slender Liquid Films By Electrohydrodynamic Patterning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Electrohydrodynamic patterning describes a technique whereby a slender liquid film is deformed into complex shapes by application of a strong transverse electric field pattern and then solidified in-situ. |
Yi Hua Chang; Sandra Troian; |
| 239 | Studying The Influence of Temperature on The Emission of Ions from A Nanoscale, Electrified Meniscus Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we describe a study of the ion emission process. |
Brandon Pugnet; Jackson Moore; Nicholas Drachman; Derek Stein; |
| 240 | Electrohydrodynamic Simulations of Self-Similar Cuspidal Formations Relevant to Liquid Metal Ion Sources Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present results based on finite element modeling of electrified films coating a solid needle which reveal formation of liquid conformations not previously reported. |
Cheolmin Im; Sandra Troian; |
| 241 | Explosive Emulsification Induced By An Electric Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore the behavior of explosive emulsification of a droplet of an aqueous dispersion of carboxy-functionalized nanoparticles (NPs) immersed in a toluene solution of triamine-modified polystyrene (PS-triNH 2), a cationic surfactant under a dc electric field. |
Zachary Fink; Xuefei Wu; Thomas Russell; |
| 242 | Controlling Morphology in Electrosprayed Methylcellulose Nanowires Via Nanoparticle Addition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we explored MC ESD loaded with nanoparticles of various shapes and uncovered the effects of particle fillers on morphology evolution using coarse-grained simulations and physical experiments. |
Xin Yong; Jonathan Blisko; Michael Grzenda; Rachel Vladimirsky; Christopher Shuck; Jonathan Singer; |
| 243 | Characteristics of Dry and Semi-dry Electrospray-printed Polymeric Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Dry, particulate films are formed when the solvent completely evaporates, while for incomplete evaporation, residual solvent is delivered with the print material to create a dense film. We report on the microstructural differences of these two print regimes defined as dry and semi-dry electrospray printing. |
Bryce Kingsley; Paul Chiarot; |
| 244 | Effects of Solvent Conductivity on The Self-Limiting Electrospray Deposition (SLED) of Polymer Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, the effects of solvent conductivity on SLED polystyrene films are evaluated. |
Robert Green-Warren; Noah McAllister; Maxim Arkhipov; Jonathan Singer; |
| 245 | Same-Polarity Biasing to Tune Thickness of Self-Limiting Electrospray Deposition Coatings Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We sprayed silicon wafer samples held at varying levels of applied voltage with SLED polystyrene coatings and used microscopic reflectometry to measure the resulting densified thicknesses. |
Ayman Rouf; Jonathan Singer; Michael Grzenda; |
| 246 | Structural Design of Electrospun Ceramic Nanofibers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The presentation will focus on creation of nanofibers with diverse surface and inner structures from variety of materials. |
Gideon Grader; |
| 247 | Chitosan and Citric Acid Thin Films As Renewable Compatibilizing Pretreatments for Self-Limiting Electrospray Deposition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The same technique demonstrated potential for applicability to complex surfaces, such as those produced by AM or non-woven polypropylene fabric, and can be integrated into roll-to-roll continuous manufacturing. |
Zainab Abd Al-Jaleel; Weronika Wasniowska; Ayman Rouf; Jonathan Singer; |
| 248 | Electrohydrodynamics of Complex Emulsions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Electrohydrodynamics of droplets immersed in an immiscible carrier fluid were first explored in a pioneering paper by G. I. Taylor who formulated the weakly conducting or leaky dielectric model and predicted the steady drop shape in the small-deformation limit. |
Majid Bahraminasr; Anand Yethiraj; |
| 249 | Targeted Functional Methylcellulose-nanocomposite Materials Via Self-limiting Electrospray Deposition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For this study, we use 2D Ti3C2 MXene of two different sizes as well as spherical ITO in MC composite sprays. |
Rachel Vladimirsky; Jonathan Singer; |
| 250 | Variational Onsager Neural Networks (VONNs): A Thermodynamics-Based Variational Learning Strategy for Non-Equilibrium Material Modeling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a variational learning strategy for the discovery of non-equilibrium equations, through the variational action density from which these equations may be derived. |
Shenglin Huang; Zequn He; Bryan Chem; Celia Reina; |
| 251 | Enhancing Prediction Performance of Reservoir Computing By Multiple Delayed Feedbacks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: As a result of adding delays with small spacing to the Electro-optic oscillator model with filter, a stronger feedback coefficient is needed to destabilize the system’s dynamics. Our study examined the impact of the time delays and the spacing between them on the reservoir computing device’s performance. |
Seyedkamyar Tavakoli; Andre Longtin; |
| 252 | Towards Better Physics Extraction in Images Via Unsupervised Custom Loss Shift- Variational Autoencoders Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we develop a shift invariance variational autoencoder (sh-VAE) with a customized loss function, in an attempt to learn more physically meaningful features. |
Arpan Biswas; Sergei Kalinin; Maxim Ziatdinov; |
| 253 | Dynamical Models from Data, Including Constants of Motion Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The FJet method is introduced for modeling a dynamical system from data; it is based on using machine learning to model the updates of the phase space variables. |
Michael Zimmer; |
| 254 | Machine Learning Inverse Problem Solving for Optical Constants Determination Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we employ machine learning based methods to solve the inverse problem of determining the thickness and optical constants of a material from reflectance and transmittance measurements only. |
Mariana Fazio; Kieran Craig; Marwa Ben Yaala; Bethany McCrindle; Chalisa Gier; Callum Wiseman; Stuart Reid; |
| 255 | Magnetic Iron-cobalt Silicides Discovered Using Machine-learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We employ a machine learning (ML) framework coupled with first principles calculations to discover rare-earth-free magnetic iron-cobalt silicide compounds. |
Timothy Liao; Weiyi Xia; Masahiro Sakurai; Renhai Wang; Chao Zhang; Huaijun Sun; Kai-Ming Ho; Cai-Zhuang Wang; James Chelikowsky; |
| 256 | Development of Ensemble Models for The Growth of Colloidal Spin-on-Glass Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using the sol-gel method to establish versatile functional modifications on various surfaces is furthermore a straight-forward and cost-efficient approach. |
Tim Erdmann; |
| 257 | Exploring Materials Dataspaces By Combining Supervised and Unsupervised Machine Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we discuss a rarely addressed topic – the development of automatic tools to explore the available materials-science data. |
Andreas Leitherer; Angelo Ziletti; Christian Liebscher; Timofey Frolov; Luca Ghiringhelli; |
| 258 | Development of Deep Learning Potentials to Investigate Initial Corrosion Mechanisms Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we develop and assess the applications of Deep Learning Potentials to investigate corrosion mechanisms via Molecular Dynamics (MD) simulations. |
Ridwan Sakidja; Hendra Hermawan; Ayoub Tanji; Peter Liaw; Xuesong Fan; |
| 259 | Machine Learning Potentials for Accelerated Nuclear Fuel Qualification Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To this end, we derive new accurate machine learning (ML) potentials for actinides that provide high-fidelity reproduction of quantum mechanical (QM) forces at the same low cost of classical force fields. |
Richard Messerly; Leidy Lorena Alzate Vargas; Roxanne Tutchton; Michael Cooper; Sergei Tretiak; Tammie Gibson; |
| 260 | Statistical Physics and Geometry of Overparameterization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Modern machine learning often employs overparameterized statistical models with many more parameters than training data points. In this talk, I will review recent work from our group on such models, emphasizing intuitions centered on the bias-variance tradeoff and a new geoemetric picture for overparameterized regression. |
Pankaj Mehta; |
| 261 | Zipf’s Criticality in Learning Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recently, Zipf’s law has been observed in the distribution of functions which may be produced by a neural network of a given architecture. We show that these results hold true for many learning machines (not necessarily deep networks) in regimes where learning is possible. |
Sean Ridout; Ilya Nemenman; |
| 262 | How SGD Noise Affects Performance in Distinct Regimes of Deep Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Understanding when the noise in stochastic gradient descent (SGD) improves generalization of neural networks remains a challenge, complicated by the fact that nets can operate in distinct training regimes. Here we study how the magnitude of this noise or `temperature’ T affects performance as the scale of initialization α is varied. |
Antonio Sclocchi; Mario Geiger; Matthieu Wyart; |
| 263 | Stochastic Gradient Descent Introduces An Effective Landscape-dependent Regularization Favoring Flat Solutions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The key question is which solution is more generalizable. Empirical studies showed a strong correlation between flatness of the loss landscape at a solution and its generalizability, and stochastic gradient descent (SGD) is crucial in finding the flat solutions. |
Ning Yang; Yuhai Tu; Chao Tang; |
| 264 | Contrastive Learning Through Non-equilibrium Memory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show how the simplest form of non-equilibrium memory in each `synapse’ of a network allows for contrastive rules such as equilibrium propagation. |
Arvind Murugan; Adam Strupp; Benjamin Scellier; Martin Falk; |
| 265 | Data-driven Irreversibility Measurement for Biological Patterns Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we use deep learning to reveal tractable, low-dimensional representations of patterns in a canonical protein signaling process, Rho-GTPase system as well as complex Ginzburg-Landau dynamics. |
Junang Li; Chih-Wei Joshua Liu; Michal Szurek; Nikta Fakhri; |
| 266 | Training Elastic Neural Networks with The Hamiltonian Monte Carlo Sampling Algorithm Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we train resource-constrained elastic ANNs by applying the Hamiltonian Monte Carlo method, a variant of the Metropolis-Hastings algorithm used in statistical physics to sample probability distributions presenting a large number of local minima. |
Théophile Louvet; Vincent Maillou; Finn Bohte; Lars Gebraad; Marc Serra-Garcia; |
| 267 | Scalable and Interpretable Machine Learning for Inference in Stochastic Transcriptional Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use physics-informed machine learning to develop a scalable and general approach for high-throughput inference of transcriptional system kinetics. |
Maria Carilli; |
| 268 | Finding The Function-Determining Subset of Amino Acids in Protein Sequence Data Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Specifically, we consider EBMs’ ability to capture protein sectors, roughly 10 to 20 percent of total sequence positions that correlate strongly with biological functions. |
Peter Fields; Vudtiwat Ngampruetikorn; Rama Ranganathan; David Schwab; Stephanie Palmer; |
| 269 | Tuning Pore Size in Block Copolymer Thin Film for Ultrafiltration Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, the self-assembled domain size in polystyrene-block-poly(4-vinylpyridine) (PS-b-P4VP) thin films was controlled by blending P4VP homopolymers that selectively segregate to minority domains; the effect of homopolymer molecular weight and mass fraction on self-assembled domain orientation and pore size after homopolymer removal by selective solvents were investigated. |
Beatrice Bellini; Beatrice Bellini; Semih Cetindag; Jasmine Willard; Sanat Kumar; Gregory Doerk; |
| 270 | Antibacterial Properties of Nanostructured Surfaces Via The Selfassembly of Block Copolymers: (I) Effects of Surface Interactions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report synergistic nanostructured surfaces combining bactericidal and bacteria releasing properties against Escherichia coli ( E. coli, a Gram-negative bacterium) and Listeria monocytogenes (L. monocytogenes, a Gram-positive bacterium). |
Maya Endoh; Daniel Salatto; ZHIXING HUANG; Todd Benziger; Jan-Michael Carrillo; Yashasvi Bajaj; Aiden Gauer; Ruipeng Li; Mikihito Takenaka; David Thanassi; Tad Koga; |
| 271 | Antibacterial Properties of Nanostructured Surfaces Via The Self-assembly of Block Copolymers: (II) Effects of Surface Morphology Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we develop synergistic surfaces combining bacteria-releasing and bactericidal properties against Escherichia coli (a Gram-negative bacterium) and Listeria monocytogenes (a Gram-positive bacterium). |
Aiden Gauer; Daniel Salatto; Tadanori Koga; Maya Endoh; ZHIXING HUANG; Todd Benziger; Mikihito Takenaka; David Thanassi; David Witdorchic; |
| 272 | Comparing Polyelectrolyte Complexes Formed from Linear Polycations and Linear, Star, and Bottlebrush Polyanions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Polyelectrolyte complexes form by the interactions between linear polyanions and polycations systems have been the subject of much research. |
zichen jin; |
| 273 | Excluded Volume Tunes Water Diffusivity Near Non-polar Surfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work uses versatile sequence-defined polypeptoids to demonstrate that water behavior can be tuned near polymeric surfaces. |
Audra DeStefano; Songi Han; Rachel Segalman; |
| 274 | Unraveling Metastable Nanostructures of Isotactic Polypropylene on Solids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The key to breakthroughs in such advanced polymer-based technologies is a better understanding of a solid-polymer melt (SPM) interface which determines their stability/reliability and properties/functionalities. In this talk, we focus on substrate-induced heterogeneous nanostructures of semicrystalline polymers that exist on solid surfaces even above the bulk melting temperatures. |
ZHIXING HUANG; Mashrup Anon; Ruipeng Li; Maya Endoh; Tad Koga; |
| 275 | PH-Mediated Size-Selective Adsorption of Gold Nanoparticles to Polymer Brushes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we demonstrate that a weak polyelectrolyte brush can be used as a functional surface to selectively adsorb nanoparticles according to their size by adjusting the pH of the buffer solution. |
Ye Chan Kim; Russell Composto; Karen Winey; |
| 276 | Durable Superhydrophilic Coatings Via Surface-initiated Photopolymerization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For this work, we describe new chemistries to engineer durable superhydrophilic polymer brush films that provide anti-fogging properties. |
Christian Pester; Michele Fromel; Yen-Ting Lin; Seong Kim; |
| 277 | Nucleation of A Double Diamond Twin Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Many twin boundary (TB) defects are found in the tubular network double diamond (DD) phase, suggesting these are readily formed, low energy structures. The DD phase consists of … |
Wenpeng Shan; Edwin Thomas; |
| 278 | Interface Modification with (co)polyethers: Surface-initiated Polymerization and Grafting Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Furthermore, these polymerization methods are oftentimes not compatible with facile surface modification. In this talk, I will discuss recent efforts my lab has made in the synthesis of polyethers with tunable properties and how we have placed these polyethers at interfaces to enhance properties. |
Robert Ferrier; |
| 279 | Machine Learning Driven Calculation of Hydrogen Bonding Inside Densely Grafted Polyelectrolyte Brush Layers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For example, while defining the water-water hydrogen bonds (HBs) inside the brush layer, it is often disregarded that these HBs will behave differently between locations outside and inside the brush layer since water connectivity is severely disrupted inside the brush layer. Here we address this gap and present the use of an unsupervised machine learning (ML) approach, which is based on clustering algorithm and uses the all-atom MD simulation generated equilibrium coordinates of the water molecules as input, to predict the water-water HBs inside cationic and anionic PE brush layers. |
Siddhartha Das; Turash Pial; Arka Bera; |
| 280 | Multiscale Modeling of Grain-boundary Motion in Cylinder-forming Block Copolymers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using the combination of (i) a soft, coarse-grained, particle-based model, (ii) a free-energy functional, and (iii) a lattice model of local, metastable states, we study the structure and motion of a grain boundary between two orthogonal grains of cylindrical domains in asymmetric block copolymers. |
Marcus Mueller; Niklas Blagojevic; |
| 281 | Non-reciprocal Frustration Induced Order-by-disorder and Spin-glass-like State Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will draw an unexpected link between two concepts that, at a glance, do not seem to have anything to do with each other: geometrical frustration and non-reciprocal interactions [1]. |
Ryo Hanai; |
| 282 | Exceptional Order-by-disorder Phenomena in Non-reciprocally Frustrated Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate there are fundamental differences between the two types of frustration. |
Cheyne Weis; Ryo Hanai; |
| 283 | Spontaneous Excitation of Limit Cycles in Living Chiral Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Broken parity and time reversal symmetries lead to the emergence of nonreciprocal interactions in chiral active matter. In a recent study, we observed a remarkable consequence of such emergent nonreciprocity in the form of spontaneous long-lived strain oscillations in living chiral crystals (LCCs) of starfish embryos (Tan*, Mietke* et al., Nature, 607, 287-293, 2022). |
Shreyas Gokhale; Yu-Chen Chao; Lisa Lin; Junang Li; Nikta Fakhri; |
| 284 | Selective Excitation of Work-generating Limit Cycles in Living Chiral Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In living chiral crystals (LCCs) formed by spinning starfish embryos, nonreciprocity results in the spontaneous excitation of sustained strain waves that correspond to limit cycle oscillations. Here, we show that these limit cycles can be excited in a controlled manner by applying external mechanical perturbations in the form of uniaxial step compression. |
Yu-Chen Chao; Shreyas Gokhale; Lisa Lin; Junang Li; Gary Choi; Nikta Fakhri; |
| 285 | Time-modulated Chiral Matter Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We drive a collection of colloidal magnets to rotate with an angular speed that slows the rotation of the constituents at specific moments in time. |
Ephraim Bililign; Yehuda Ganan; Alexis Poncet; Jessica Metzger; Denis Bartolo; William T. M. Irvine; |
| 286 | Coarsening in Odd Elastic Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: As a result, this active metamaterial spontaneously rids itself of disorder in favour of coherent motion. We explore how this coarsening can respond to environmental stimuli, leading to a toolkit of distinct patterns for designing locomotion and actuation. |
Jack Binysh; Jonas Veenstra; Guido Baardink; Anton Souslov; Corentin Coulais; |
| 287 | Topological Kinks in Odd Elastic Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However due to inherent instabilities, tailoring the dynamic response of such materials can be difficult. Here we suggest how nonlinearities and topology can help stabilize these dynamics such that robust behavior emerges. |
Jonas Veenstra; |
| 288 | Hydrodynamic Origins of Odd Viscosity in Spinner Monolayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We combine simulations and analytical calculations of rotating particles in Stokes flow to show how odd responses can emerge from viscous hydrodynamic interactions in spinner monolayers. |
Yehuda Ganan; Ephraim Bililign; Florencio Balboa Usabiaga; Alexis Poncet; Michael Shelley; Denis Bartolo; William Irvine; |
| 289 | Confinement-induced Phase Transitions of Living Chiral Crystal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show how external boundary interaction and grain boundary/void connectivity induce different dynamics in LCC. |
Yuchao Chen; Nikta Fakhri; |
| 290 | Microscopic Non-reciprocity Drives Emergent Dynamic Phase of Living Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show that mixtures of swimming starfish embryos at different developmental stages spontaneously undergo transition from a dynamic phase to an ordered crystal. |
Hyunseok Lee; Junang Li; Shreyas Gokhale; Lisa Lin; EliseAnne Koskelo; Nikta Fakhri; |
| 291 | High-resolution Mapping of Odd Fluctuations and Oscillations in Living Chiral Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report the use of vibrational mode decomposition to dissect various non-equilibrium phases of the crystal dynamics. |
Lisa Lin; Jinghui Liu; Yuchao Chen; Yu-Chen Chao; Nikta Fakhri; |
| 292 | The Mechanical Theory of Nonequilibrium Coexistence Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present a general mechanical theory for phase separation rooted in ideas explored nearly a half-century ago in the study of inhomogeneous fluids. |
Ahmad Omar; |
| 293 | Signatures of Odd Dynamics in Viscoelastic Systems: from Spatiotemporal Pattern Formation to Odd Rheology Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study odd viscoelasticity analytically and using hydrodynamic simulations based on the lattice Boltzmann algorithm. |
Carlos Floyd; Aaron Dinner; Suriyanarayanan Vaikuntanathan; |
| 294 | Scaling of Moduli of Active and Thermal Elastic Membranes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: When introducing the odd elastic modulus K (which couples pure shear and simple shear), we show that it reduces with exponent 2*eta_u, thus leaving the Aronovitz-Lubensky fixed point stable. |
Mohamed El Hedi Bahri; Andrej Kosmrlj; Siddhartha Sarkar; Daniel Matoz Fernandez; |
| 295 | Dynamical Scaling at Critical Exceptional Points Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our work, we perform a direct numerical study of driven many-body systems that exhibit CEPs. |
Shuoguang Liu; Ryo Hanai; Peter Littlewood; |
| 296 | Temperature Dependence of Acoustic Properties of Natural Snail Mucus By Brillouin Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Brillouin light scattering spectroscopy was used to probe the acoustic properties of a natural gastropod mucus, which consists primarily of water and glycoproteins, over the range … |
Dillon Hanlon; |
| 297 | The Elastic Leidenfrost Effect—An Interplay Between Elasticity and Vapor Pressure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present results using a three-laser, high-speed interferometric imaging system that allows us to resolve levitation heights down to ~1 micrometer and measure the full height profile. |
Vicente Luis Diaz Melian; Scott Waitukaitis; Isaac Lenton; Jack Binysh; Anton Souslov; |
| 298 | Wet-a-materials: Designing Hairy Surfaces for Droplet Manipulation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that the splitting proportion of a droplet between two fibers has a simple and sensitive dependence on the hair orientations. |
Mengfei He; Marianna Marquardt; Samay Narasimhamurthy; Gentian Muhaxheri; Hao Jiang; Chris Santangelo; Teng Zhang; Anupam Pandey; Joseph Paulsen; |
| 299 | Active Elastica Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we discuss some canonical examples of combining Euler’s elastica with activity as a way to gain insights into the growth and form of some living matter. |
Ousmane Kodio; |
| 300 | Multifunctional Hairy Textures Fabricated with Embedded 3D Printing Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We developed a new embedded 3D printing method to print hairs with a high aspect ratio and controlled spacing. |
Yun Seong Kim; Wonsik Eom; Sameh Tawfick; |
| 301 | Thermodynamic Lubrication in The Elastic Leidenfrost Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we provide a theory of elastic Leidenfrost floating. |
Jack Binysh; Indrajit Chakraborty; Mykyta Chubynsky; Vicente Luis Diaz Melian; Scott Waitukaitis; James Sprittles; Anton Souslov; |
| 302 | Elastocapillary Painting: Deposition of Fluid Trapped Within Fiber Arrays Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Upon wetting a brush with oil, we study two modes of painting: stamping, in which a brush is pressed vertically onto a plate, and brushing, where it moves parallel to the plate after contact. |
Christopher Ushay; Pierre-Thomas Brun; |
| 303 | Healable Self-assembled Magneto-elastic Networks with Robust Mechanical Properties Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These architected network materials offer great energy dissipation capacity per weight under impact but the damage incurred is permanent. To overcome this, a novel magneto-elastic network that can be self-assembled from elastic elements decorated with permanent magnets under random vibrations is proposed in this work. |
Xinyan Yang; Sinan Keten; |
| 304 | Braiding Microscale Fibers Using Capillary Forces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, industrial braiding machines cannot easily make such ‘microbraids,’ because the forces they exert tend to break the fibers. We show that capillary forces can be used to manipulate the fibers and coax them into braids and weaves. |
Ahmed Sherif; Cheng Zeng; Maya Winters Faaborg; Vinothan Manoharan; |
| 305 | Surface Stress Drives Large Material Deformation to Smooth Compliant Solids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We microfabricate three-dimensional (3D) compliant structures with non-negligible aspect ratio (h 0/w 0 ~ 1) and observe that micropillar grids made of a compliant polymer in contact with air undergo spacing-dependent deformation, which is largest at low spacings and reaches a constant value at large spacings. |
Lebo Molefe; Mojtaba Abdolkhani; John Kolinski; |
| 306 | Controlling Droplets with Geometry Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the influence of geometry on the behavior of droplets. |
Samay Hulikal; Christian Santangelo; Mengfei He; Joseph Paulsen; |
| 307 | Beading Is The New Jamming: Leveraging Compliance and Rigidity in Discrete Shape Morphing Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show that by introducing discrete rigid units in textiles, i.e. beads, we can form shape-morphing objects with tunable stiffness and the capacity to withstand large compressive forces. |
Lauren Dreier; Trevor Jones; Andrej Kosmrlj; Pierre-Thomas Brun; |
| 308 | Kuttsukugami Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we show how sticky sheets (kuttsukugami) can not only create identical structures as in traditional fold-based origami but can also be used to resolve many of the limitations. |
Andrew Croll; Timothy Twohig; Michael Bartlett; Ravi Tutika; |
| 309 | Secrets of Insect Excretion: How and Why Sharpshooters Use Droplet Superpropulsion Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Although how feeding impacts animal form and function has been studied for more than a century, how its obligate partner, excretion, controls, and constraints animal behavior remains largely unexplored. In this talk, I will describe how millimeter-scale sharpshooter insects eliminate their high-volume excreta by exploiting droplet superpropulsion, a phenomenon in which they can achieve higher velocities than the underlying actuator through temporal tuning. |
Saad Bhamla; |
| 310 | Mechanical Description of Drosphila Wing Expansion Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We first characterize the unfolding kinematics through macroscopic observations. Using optical microscopy imaging, we describe the shape of the initial origami-like folded wing and its relationship to the final network of veins. |
Simon Hadjaje; Ignacio Andrade-Silva; Raphael Clement; Marie-Julie Dalbe; Joel Marthelot; |
| 311 | Pulsatile Driving Stabilizes Loops in Elastic Flow Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show that incorporating pulsatile driving and properties such as fluid inertia and vessel compliance into a general adaptation framework fundamentally changes the expected structure at steady state of a minimal one-loop network. |
Purba Chatterjee; Sean Fancher; Eleni Katifori; |
| 312 | Fluid Transport in Artificial Vascular Networks Inspired By The Lymphatic System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study experimentally fluid transport in an upscaled model of a collecting lymphatic. |
Martin Brandenbourger; Zohreh Kiani; Juan Huaroto; Pierre Lambert; |
| 313 | Synchronization of Flagella in Cellular Carpets Derived from Volvox Carteri Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These cilia are not centrally controlled, but rather work collectively by synchronizing their beating cycles and generating metachronal waveforms. Both theoretical and experimental studies of the mechanisms leading to the emergence of these metachronal waves have been done largely independent of boundary conditions, and so in this study we seek to investigate the validity of this assumption as well as observe the effects of different boundary conditions. |
Jane Chui; Raymond Goldstein; |
| 314 | The Fluid-structure Interaction of Bristled Wings Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Due to their stunning size and geometry, bristled wings have garnered considerable interest in recent years. We tackle several yet-unsolved questions, such as: What is the optimal number of bristles on the wing? |
Yuexia Lin; Matteo Pezzulla; Pedro Reis; |
| 315 | Eulerian Simulation of Fluid–structure Interaction in Bioinspired Complex Suspensions and Locomotion Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a computational method to simulate fluid–structure interaction (FSI) based on the lattice Boltzmann reference map technique (LBRMT). |
Yue Sun; Christopher Rycroft; |
| 316 | Dynamic Flow Response of Fluid-immersed Hair Beds Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Bronchial cilia, the endothelial glycocalyx layer, and intestinal microvilli (among others) serve critical regulatory functions. To better understand these functions, and the role of passive hairs on fluid dynamics in biological settings, we investigate the transient characteristics of hair beds immersed in a low Reynolds number environment. |
Jonas Smucker; José Alvarado; |
| 317 | Changes in Bacterial Adherence in Different Flow Conditions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The mechanisms underlying this important yet paradoxical behavior are unknown. To begin to address these questions I have developed a system for studying the effects of flow on colonization of several endocarditis-inducing pathogens including Staphylococcus aureus MRSA, Enterococcus faecalis and Streptococcus pneumoniae. |
Kelsey Hallinen; Zemer Gitai; |
| 318 | Modeling Human Red Blood Cell Damage Using Experiments and Machine Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we predict hemolysis of human erythrocytes using a combination of experimental measurements and machine learning (ML). |
Oliver McRae; Aldair Gongora; Alice White; |
| 319 | The Dynamics of Microjet Spitting in Termite Soldiers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: While previous work qualitatively described these insects’ spitting behavior, how their jets’ fluid dynamics aid them in ‘fortress defense’ is still unknown. In this talk, we uncover the fluid dynamics and physical properties of these minute jets (V ~10 nL, D ~ 10 μm) taken in the Peruvian Amazon rainforest with high-speed imaging and micro-rheological experiments. |
Elio Challita; PANKAJ ROHILLA; Prateek Sehgal; Jacob Harrison; Saad Bhamla; |
| 320 | Snowflake Yeast Overcome Diffusion Limited Nutrient Acquisition By The Generation of Spontaneous Flows Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work shows how fluid density driven instabilities, generated spontaneously via the organismal metabolic activity, can mitigate diffusion limitation in the nascent multicellular organism snowflake yeast allowing it to reach macroscopic sizes. |
Nishant Narayanasamy; Emma Bingham; Ozan Bozdag; William Ratcliff; Peter Yunker; Shashi Thutupalli; |
| 321 | High-Throughput Microfluidic Platform for Phototransfection Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we describe an iterative microfluidic phototransfection platform for high throughput delivery of COVID-19 Spike Protein mRNA and CD80 mRNAs into 3T3 cells. |
Julia Radzio; Paulo Arratia; James Eberwine; Quentin Brosseau; |
| 322 | Early Career Award for Soft Matter Research Winner: Pierre-Thomas BrunBuilding with Fluids: A Lazy Approach to Fabricating Programable Soft Matter Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will discuss the possibility of harnessing interfacial flows as templates for the design of soft functional materials. |
Pierre-Thomas Brun; |
| 323 | Inferring Interaction Potentials from Particle Trajectories Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce a method for inferring interaction potentials directly from trajectory data. |
Ella King; Megan Engel; Sam Schoenholz; Caroline Martin; Vinothan Manoharan; Michael Brenner; |
| 324 | Active Chromatin Dynamics Drives Nuclear Bulge Formation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have developed a three-dimensional Brownian-dynamics-based model of a nucleus consisting of a polymeric protein shell (the lamina), a crosslinked polymer chain (chromatin), and extensive and contractile motors representing transcription and other nonequilibrium genomic processes. |
Sarthak Gupta; Isabel Oder; Yasmin Berrada; Andrew Stephens; Alison Patteson; Edward Banigan; J. Schwarz; |
| 325 | The Mechanics of Fick’s Law and Odd Diffusion Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we highlight a further mechanical connection between odd diffusion and the antisymmetric hydrostatic stress, which is the part of the stress arising due to microscopic (e.g. active) torques. |
Cory Hargus; Kranthi Mandadapu; Ahmad Omar; |
| 326 | Slow Relaxations in Disordered Mechanical Systems – Aging on The Verge of Instability Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Through experiments in crumpled sheets and simulations of a simplified mechanical model, we reveal a general mechanism underlying slow relaxation phenomena. We show that under load, these systems self-organize to a metastable state which is poised on the verge of a local instability, where they can remain for long, but finite times. |
Dor Shohat; Yaniv Friedman; Yoav Lahini; |
| 327 | Buckling Instabilities in Moving Chains of Bubbles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we explore a slender structure with no internal bending modulus by producing a chain of microscopic monodisperse bubbles in an aqueous bath. |
Carmen Lee; Kari Dalnoki-Veress; |
| 328 | Filler-polymer Interactions Dictate Tissue-like Compression Stiffening in Composite Hydrogels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Though this compression stiffening property has been associated with a composite structure consisting of fibrous polymers and volume-conserving fillers, a detailed understanding of the underlying mechanisms remains missing. In this talk, we demonstrate the crucial role of filler-polymer interactions in dictating the extent of compression stiffening in composite hydrogels, and elucidate the molecular origins of this effect. |
Jake Song; Serra Yesilata; Gareth McKinley; |
| 329 | How Life May Have Originated in Phase-separated Polymer Droplets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We hypothesize that the loss of counterions upon transfer to water creates a thin crosslinked layer on the droplet interface that prohibits droplet coalescence. |
Aman Agrawal; Syed Rizvi; Aleksandar Radakovic; Jack Douglas; Jack Szostak; Matthew Tirrell; Alamgir Karim; |
| 330 | Worm Buoys: Emergent Collective Interfacial Latching of Aquatic Worms Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: If the water is shallow enough, blackworms position their tails on the surface, which bend at a right angle and lay parallel along the air-water interface. Due to its material property which we hypothesize to contain a pattern of hydrophobic and hydrophilic regions, portions of their tail break surface tension to access oxygen directly from air. |
Harry Tuazon; Emily Kaufman; Saad Bhamla; |
| 331 | Geometry-induced Pattern Formation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will discuss a conceptual model for cell polarity on a time-evolving geometry [1]. |
Laeschkir Würthner; Andriy Goychuk; Erwin Frey; |
| 332 | Spatial Organization of Contaminants Influences Bioremediation Strategies Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work thus provides a key step towards developing a deeper understanding bioremediation at the pore scale and establishing useful design principles to guide more effective bioremediation strategies. |
Jenna Ott; Yaxin Duan; Fernando Temprano Coleto; Daniel Amchin; Sujit Datta; |
| 333 | Enzyme Kinetics in Salt Resistant Complex Coacervate Emulsions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we demonstrate that this approach is generic and works with distinct polymer characteristics and salt identities, over a wide range of concentrations. |
Advait Holkar; Shang Gao; Kathleen Villasenor; Samanvaya Srivastava; |
| 334 | Polymer-based, 3D Printed, Syntactic Foams Maintain Modulus and Energy Dissipation Under Cyclic Loading Due to Shell Buckling and Elastic Recovery Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report thermomechanical characterization of the constituents ( i.e., polymer matrix and shell of microspheres) which led to an improvement in material processing and facilitated the detailed mechanical analysis of the compressive behaviors of the composite foams. |
Younghoon Kwon; |
| 335 | Average Outpouring Velocity and Flow Rate of Grains Discharged from A Tilted Quasi-2D Silo Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a model that describes our results (and findings with 3D systems [H. G. Sheldon and D. J. Durian, Granul. |
Ryan Kozlowski; Jon Luketich; Elijah Oshatz; Douglas Durian; Luis Pugnaloni; |
| 336 | Properties of 3D Arches in A Clogged Hopper of Soft Deformable Particles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study arches that form during clogging in a 3D system of soft hydrogel particles (bulk modulus 10-30 kPa) in water flowing through a square cross-section tube with a circular outlet. |
Rahul Pandare; Corey O’Hern; Eric Weeks; Mark Shattuck; |
| 337 | Deformation of A Soft, Acoustically-bound Granular Solid Under Applied Stress Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: [1] This material, however, can also be viewed as a soft, semicrystalline solid. By using custom probes to carefully modify the acoustic field near a sample, we perform micromechanical tests on this material, such as tensile testing. |
Nina Brown; Bryan VanSaders; Heinrich Jaeger; |
| 338 | Stress and Velocity Fluctuations to Probe The Rheology of Photoelastic Granular Avalanches Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we are introducing our photoelastic avalanche experiment, which does not only produce intriguing visuals, but also reveal the internal stress state of our 2D granular avalanches. We explore the role of velocity and stress fluctuations on the rheology of granular avalanches, and show that they could form a predictor of the stability of the internal state of a granular packing. |
Nathalie Vriend; |
| 339 | Visualizing Force Chains in Clogged Silos Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Despite the importance of clogging of particles in a multitude of industrial processes and natural systems, our understanding of why and how materials clog is relatively poor. Specifically, we consider clogging by the formation of stable arches at silo openings; our insight into the precursors and mitigation measures of these clogs is currently limited. |
Benjamin McMillan; Alban Sauret; Nathalie Vriend; |
| 340 | Granular Flow Near Shear Jamming Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Flow is characterized by intermittent bursts of particle rearrangement and finite-sized systems are prone to find a jammed state and arrest right above the critical shear stress. We use a discrete element model of frictional grains to explore this limit using a combination of stress and strain-rate controls. |
Joel Clemmer; Ishan Srivastava; Gary Grest; Jeremy Lechman; |
| 341 | Discontinuous Rigidity Transition Associated with Shear Jamming in Granular Simulations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Whereas the transition is discontinuous for isotropic jamming, with the sudden percolation of a rigid contact network when the isostatic condition is crossed, previous work has suggested that the transition is more continuous in the case of shear jamming of frictional grain assemblies. To understand better this apparent difference, we investigate the rigidity transition associated with shear jamming in frictional, as well as frictionless disk packings [1,2] in the quasi-static regime and at low shear rates. |
Srikanth Sastry; varghese babu; H. Vinutha; Dapeng Bi; |
| 342 | Frictional Weakening of Vibrated Granular Flows Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We computationally study the frictional properties of sheared granular media subjected to harmonic vibration applied at the boundary. |
Abe Clark; Emily Brodsky; Stephanie Taylor; John Nasrin; |
| 343 | Rheology of Dense Granular Binary Mixtures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we perform discrete element modeling simulations with frictionless inter-particle interactions to study dry granular flow of binary mixtures under simple shear in the small inertial number regime. |
Joseph Monti; Andrew Santos; Joel Clemmer; Ishan Srivastava; Gary Grest; Jeremy Lechman; |
| 344 | Changing Granular Flows and Impact Dynamics with Negative Poisson’s Ratio Grains Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we introduce a negative Poisson’s ratio to all the individual grains. |
Daan Haver; |
| 345 | Discrete Element and Continuum Modeling of Secondary Flows in Dense Granular Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We implement the frame-invariant rheological model in an incompressible continuum flow solver and demonstrate good agreement between the predictions of velocity and stress fields by the continuum solver and the corresponding coarse-grained fields obtained from simulations using the discrete element method. |
Ishan Srivastava; Eunji Yoo; Ann Almgren; John Bell; |
| 346 | Understanding The Acoustics of Marine Sediments Using Granular Mechanics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This mechanism, although well established in granular mechanics, is not included in the existing models of sediment acoustics. Using theoretical analysis and DEM simulations, we show that this granular mechanics perspective, where forces are transmitted along lossy force chains, may be able to explain salient features of the acoustic properties of marine sediments |
Andrew Swartz; Abe Clark; So Bing Phua; Derek Olson; |
| 347 | Erosion By The Unsteady Motion of A Disk Close to A Granular Bed Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: They are able to hide very quickly : with a few oscillations of their fins close to the seabed, they suspend sand, which then falls onto their body. This study aims at better understanding this natural behaviour by simplifying it in the laboratory. |
Joanne Steiner; Cyprien Morize; Ivan Delbende; Alban Sauret; Philippe Gondret; |
| 348 | Explore DNA Nanostructures for Controlling Multienzyme Assembly and Modulating Catalysis Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we described a robust strategy for DNA-scaffolded assembly and confinement of biochemical reactions. |
Jinglin Fu; |
| 349 | Coupling Reactive and Diffusive Fluxes to Predict Catalysis-driven Chemotaxis at The Nanoscale Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We adopt Mielke’s framework, which models the conventional reaction-diffusion equation as a gradient descent of the Helmholtz free energy with respect to an Onsager-type dissipation potential. We introduce a new term into this potential that couples the diffusive flux of an enzyme to a simple chemical reaction. |
Kathleen Krist; William Noid; |
| 350 | Mechanochemical Active Nematics: How to Design Topology Sensing Enzymes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Active nematic fluids are an important class of materials whose dynamics are intrinsically chaotic. Towards developing bioinspired signaling pathways that shape these flows into desired configurations, we aim to design feedback loops that spatiotemporally modulate active stress in response to structural cues from the nematic. |
Michael Norton; Piyush Grover; |
| 351 | The Concept of A Chemical Temperature from Optical Tweezers Experiments Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: It is fundamental to consider that the random forces giving rise to thermal fluctuations generate both diffusion and dissipation. Our optical tweezer experiments suggest that … |
Tian Huang; Jin Tae Park; Hyuk Kyu Pak; Steve Granick; |
| 352 | A Background Enzymatic Active Bath Affects Liquid-Liquid Phase Separation of Protein Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will use urease, an exothermic and kinetically fast enzyme that converts urea to carbon dioxide and ammonia, as the background enzyme. |
Kevin Ching; Diego Luna; Anthony Estrada; Sarthak Gupta; J. Schwarz; Jennifer Ross; |
| 353 | Active Boundary Layers in Confined Active Nematics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we work with the well-known kinesin/tubulin active nematic under confinement and show that the self-sustained flows can develop active boundary layers that topologically polarize the confining walls and determine the bulk flows. |
Jordi Ignés-Mullol; Jérôme Hardoüin; Claire Doré; Justine Laurent; Teresa Lopez-Leon; Francesc Sagués; |
| 354 | Onset of Homochirality in Cell Monolayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we develop a simple model to describe the possible origin of homochirality in cells. |
Ludwig Hoffmann; Luca Giomi; |
| 355 | Enhanced Swimming Behavior of Active Hematite Microparticles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Calcined particles have an average 28-fold rise in MSD at 1-minute lag times. This simple approach makes hematite more accessible to key areas of soft matter and photocatalysis research. |
Sarah Schyck; Silvana Caipa Cure; Laura Rossi; stefano sacanna; |
| 356 | Dynamics, Scaling Behavior, and Control of Nuclear Wrinkling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we combine live-imaging experiments, theory, and simulations to characterize the onset and dynamics of nuclear wrinkling during egg development in the fruit fly, Drosophila melanogaster, when nurse cell nuclei increase in size and display stereotypical wrinkling behavior. |
Nicolas Romeo; Jonathan Jackson; Alexander Mietke; Keaton Burns; Jan Totz; Adam Martin; Jorn Dunkel; Jasmin Imran Alsous; |
| 357 | Synthesis and Hydrogelation of Bioinspired Block Copolymers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report the preparation of symmetric polyethylene glycol (PEG) block copolymers containing well-defined number and location of unprotected catechol groups. |
Fahed Albreiki; Samanvaya Srivastava; |
| 358 | Toughening of Brittle Materials Through Crack Tip Complexity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We suggest that any means by which the crack front can be made more complex may enhance effective fracture toughness, in a manner consistent with energy balance. |
John Kolinski; |
| 359 | Understanding Aortic Dissection Through Phase Field Fracture Modeling in Curved Geometries Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we implement a phase field fracture modeling with a fiber-reinforced material model for the aortic wall using ABAQUS material subroutine VUMAT. |
Nhung Nguyen; Willa Li; Enrique Cerda; Luka Pocivavsek; |
| 360 | Predicting Crack Trajectory Using "Elastic Charges" Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A central difficulty arises from the dynamic nature of the boundary conditions due to crack evolution. Here we introduce a method that avoids this difficulty by describing cracks as distributed induced "elastic charges." |
Oran Szachter; Emmanuel Siéfert; Eran Sharon; Mokhtar Adda-Bedia; Michael Moshe; |
| 361 | Elucidating Nature of Elastomeric Fracture By Local Characterization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By making in situ spatially resolved photoelasticity (e.g., birefringence), we show how strain field builds up around crack tip all the way to the onset of fracture. |
Shi-Qing Wang; Zehao Fan; |
| 362 | Controlled Radical Polymerizations As A Tool to Tailor The Architecture and Fracture Properties of Polymer Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigated the role of sacrificial network architecture ( i.e., homogeneity) on energy dissipation and fracture toughness of multiple-networks. |
Gabriel Sanoja; Aaliyah Dookhith; Apratim Chowdhury; Sutton Landers-Carlyon; |
| 363 | Energy Dissipation After The Fracture of End-linked Polymer Networks Using Molecular Simulations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will describe how we use coarse-grained molecular dynamics simulations and network analysis techniques to provide a molecular view of the energy dissipated during chain scission in polymer networks. |
Han Zhang; Ziyu Ye; Robert Riggleman; |
| 364 | Tailoring Network Architecture and Fracture Properties of Polyether Networks Using Organo-aluminum Catalysts Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We synthesized two families of polyether networks by organoaluminum catalyzed ring-opening copolymerization of ethyl glycidyl ether monomer and 1,4-butanediol diglycidyl ether crosslinker, and explored the relationship between network architecture and fracture properties. |
Aaliyah Dookhith; Nathaniel Lynd; Gabriel Sanoja; |
| 365 | Fracture of Elastomeric Materials Across Length-scales: Experiments and Nonlocal Continuum Modeling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we investigate the fracture behavior of elastomeric materials across a wide range of length-scales using experiments and nonlocal continuum modeling. |
Jaehee Lee; Jeongun Lee; Seunghyeon Lee; Hansohl Cho; |
| 366 | Crack Patterns in Drying Binary-mixture Suspensions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report on our observations of drying suspensions of colloidal particles dispersed in binary liquids. |
Xiaolei Ma; Amir Pahlavan; |
| 367 | Competing and Global Fractures in 2-D Compressed Crystalline Bubble Arrays Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For highly monodisperse samples, we observe the structure undergo a transition in a fracture event. |
Pablo Illing; Jean-Christophe Ono-dit-Biot; Kari Dalnoki-Veress; Eric Weeks; |
| 368 | Granular Failure from Micro- to Meso- to Macro-scale Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: When a granular material suddenly fails at the macroscopic scale, the rupture begins as some microscopic frictional/energetic failure criterion is surpassed, which locally mobilizes particles and results in macroscopic structural changes. I will present a series of experiments which start at this smallest scale and proceed through the force chain scale to elucidate how failure nucleates. |
Karen Daniels; Nakul Deshpande; Farnaz Fazelpour; Jack Featherstone; Silke Henkes; Charlie Mundorf; J. Schwarz; |
| 369 | The Effect of Surface Features on Friction Forces in Granular Media Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, inspired by textures present on snake bellies, we investigate how textures affect frictional forces. |
Calvin Riiska; Miller Vu; Jennifer Rieser; |
| 370 | Instabilities in Frictional Sliding: From Schallamach Waves to Locomoting Invertebrates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we analyze two distinct detachment waves moving parallel (Schallamach wave) and antiparallel (separation wave) to applied remote sliding. |
Koushik Viswanathan; |
| 371 | Foams and Aerogels Based on Nanopolysaccharides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We describe the chemistry, structure, and physicochemical properties of nanocellulose and deacetylated nanochitin for the synthesis of light-weight materials. |
Orlando Rojas; |
| 372 | Design & Engineering of Wood-inspired Super-insulating Foams Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will present our latest research on heat transport of fully bio-based foams and their thermal response as a function of relative humidity. |
Nathalie Lavoine; Varvara Aspotolopoulou-Kalkavoura; Shiqian Hu; Mohit Garg; Mathieu Linares; Pierre Munier; Lennart Bergstrom; Igor Zozoulenko; Junichiro Shiomi; Stephen Kelley; Ramakrishna Trovagunta; |
| 373 | 3D Printing of Aerogels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A high-speed X-ray imaging technique has been applied to reveal the process dynamics in the 3DFP process. |
Dong Lin; |
| 374 | Polymer Aerogels: Advanced Porous Materials for Extreme Environments Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: As the Space Community endeavors to reach new heights of exploration, materials for extreme environment are on the forefront of research. One such material would include polymer … |
Stephanie Vivod; |
| 375 | Novel Multifunctional Aerogel Materials from Synergy of Additive Manufacturing and Sol-gel Processing Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Some generalizations will be made that other researchers can use and expand the concepts presented in this talk to an array of materials systems. |
Sadhan Jana; Aparna Agrawal; Akshata Kulkarni; Pratik Gotad; |
| 376 | Biologically-Inspired Active Droplets: from Reaction Crucibles to Robots(?) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, I will introduce a very simple and flexible model system for creating droplets of protein that readily partition enzymes, and allow for easy exchange of substrate and product with their surroundings. |
Eric Dufresne; |
| 377 | Hyperuniform Phase-separated DNA Droplets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate the long-range structures formed by a model phase-separating DNA system. |
Sam Wilken; Aria Chaderjian; Omar Saleh; |
| 378 | Inverse Engineering of Phase Separating Bio-condensates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Inspired by the observation that intracellular protein/RNA mixtures phase separate into many immiscible membraneless organelles, we seek to design pairwise interactions that can arise from a small number of physicochemical molecular features and yet give rise to complex phase diagrams. |
Fan Chen; William Jacobs; |
| 379 | Interface Dynamics of Active/passive Mixtures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present analytical work on the behavior of the interface between an active nematic and a passive fluid. |
Fernando Caballero; Paarth Gulati; M Cristina Marchetti; |
| 380 | Depletion-Driven Morphological Control of Bundled Actin Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We examine the states straddling the phase transition in terms of micro and macroscale properties. |
James Clarke; Francis Cavanna; Anne Crowell; Lauren Melcher; Justin Houser; Kristin Graham; Allison Green; Jeanne Stachowiak; Thomas Truskett; Delia Milliron; Adrianne Rosales; Moumita Das; José Alvarado; |
| 381 | Tuning Nucleation Kinetics Via Nonequilibrium Chemical Reactions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we consider the influence of driven chemical reactions, which couple molecular conformational changes to a chemical fuel source. |
Yongick Cho; William Jacobs; |
| 382 | Biomolecular Condensates As Nonequilibrium Soft Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we connect the ATP-dependent RNA helicase activity of a well-studied DEAD-box helicase to the properties of reconstituted condensates. |
Sebastian Coupe; Nikta Fakhri; |
| 383 | Arresting Spinodal-like Structures in Elastic Matrices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we demonstrate control over spinodal decomposition processes at the microscale using polymer matrices. |
Carla Fernandez-Rico; Eric Dufresne; Robert Style; Charlotta Lorenz; |
| 384 | Liquid Droplet Coarsening in An Active Biomimetic Fluid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we immerse phase separating DNA particles in microtubule-based active fluids to investigate the impact of cytoplasmic flows on droplet coarsening dynamics. |
Jeremy Laprade; Hriday Talreja; Anthony Gillespie; William Rogers; Guillaume Duclos; |
| 385 | Modular RNA Motifs for Orthogonal Phase-separated Compartments Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we constructed pure-RNA condensates from single-stranded motifs (monomers) and verified their ability to co-exist as orthogonal compartments that were tracked with the addition of multicolor fluorogenic RNA aptamers. |
Elisa Franco; Shiyi Li; Anli Tang; Jaimie Stewart; Melissa Klocke; Paul Rothemund; |
| 386 | Re-entrant Demixing Behavior Due to Differences in Diffusivity in Active Matter at Intermediate and High Densities Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recently, researchers found that in a two-species particle-based packing, differential diffusivity drives complete phase separation up to a packing fraction of 0.7. We use an improved particle-based simulation with a faster run time to investigate whether this demixing persists at higher densities, approaching the limit of confluency. |
Erin McCarthy; Ojan Damavandi; Raj Kumar Manna; M Lisa Manning; |
| 387 | Phase Separation and Gelation of Chemically Reactive Macromolecules Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The mesoscale nature of phase-field models enables the study of spatially extended systems over macroscopic timescales. |
Ruoyao Zhang; Sheng Mao; Mikko Haataja; |
| 388 | Active Turbulence Leads to Microphase Separation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recent experiments have demonstrated a number of unconventional properties of these systems, including propagating interfacial waves and stable microphase separated states. We use a continuum model of active nematics coupled to a scalar phase field to study these phenomena. |
Paarth Gulati; Fernando Caballero; M Cristina Marchetti; |
| 389 | Inflating Balloons with Patterned Rigidity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We develop a method to obtain the equilibrium three dimensional shape of a thin heterogeneous elastic membrane when starting with an initially flat, two dimensional pattern of mixed inextensible and extensible materials. |
Gentian Muhaxheri; Christian Santangelo; |
| 390 | Metamaterials for Reconfiguration and Object Classification Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report on metamaterial architectures exhibiting hybrid units that sense and classify spatial features distributed mechanical stimuli. |
Andres Arrieta; Juan Osorio; Katherine Riley; |
| 391 | Wannier Function Representation for Wave-based Neural Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will present a model reduction technique based on a quadratic manifold extension of the notion of Wannier functions, that exploits localization to implement linear-time simulation of nonlinear elastic neural networks. |
Sima Zahedi Fard; Paolo Tiso; Parisa Omidvar; Marc Serra Garcia; |
| 392 | An Implicit Simulation Framework to Handle Frictional Contact in Elastic Rods Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a fully implicit penalty-based frictional contact framework, Implicit Contact Model (IMC), which combines the constraints with the degrees of freedom (DOF)s directly. |
Dezhong Tong; Andrew Choi; Jungseock Joo; Mohammad Khalid Jawed; |
| 393 | A Centerline-based Energy Model for Elastic Ribbons Based on Neural Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a simulation framework for elastic ribbons using a neural network-based one-dimensional energy model. |
Shivam Kumar Panda; Qiaofeng Li; Mohammad Khalid Jawed; |
| 394 | A Geometric Mapping from Material Orthotropy to Isotropy: from Square Beef to Rectangular Tofu Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present here a rescaling transformation which can map a rectilinearly orthotropic material into an isotropic one with a different local geometry: metaphorically, a square beef → a rectangular tofu (isotropic). |
Wenqian Sun; Jayson Paulose; |
| 395 | Can One Hear The Shape of A Filament? How Geometry Controls The Localization of Waves in Thin Elastic Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we consider the vibrations of a curved filament explicitly accounting for both flexural deformations that predominantly bend the filament, and extensional deformations that predominantly stretch it. |
Manu Mannattil; Chris Santangelo; |
| 396 | Regularizations of String Mechanics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will discuss two examples of regularization in inextensible strings, as exemplified by chains or flexible cables, subject to gravity: (1) In the whipping of the free end of a falling string, velocity, acceleration, and tension follow predictable singular scalings until they peak at finite values that depend on the initial geometry. |
Abhinav Dehadrai; James Hanna; |
| 397 | New Insights from An Analogy Between A 1d Quantum Particle and A 3d Dynamically and Helically Buckled Rod Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk I will show how a minimally coupled nonrelativistic quantum particle in 1d is isomorphic to a much heavier, vibrating, very thin Euler-Bernoulli rod in 3d, whose ratio of bending modulus to linear density is $(hbar/2m)^2$. |
Tyler Engstrom; |
| 398 | Failure By Design of Confined Architected Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a homogenisation procedure showcasing characteristic lengths that govern the mode I fracture behaviour of architected interfaces. |
Adrianos E.F. Athanasiadis; Michal Budzik; Dilum Fernando; Marcelo A. Dias; |
| 399 | Size Scale-dependent Failure of Poly(methyl Methacrylate) Due to Projectile Impacts Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this contribution, we study the projectile impact performance of PMMA using two different projectile impact tests. |
Kyle Callahan; Santanu Kundu; Katherine Evans; Edwin Chan; William Heard; |
| 400 | A Study of Pre-programmed Soft Kirigami Deployables Exhibiting Multistability Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present fully soft bistable structures that morph from a planar form into pre-programmed 3D shapes. |
Mrunmayi Mungekar; Vishal Kackar; Shyan Shokrzadeh; Leixin Ma; Wenzhong Yan; Vwani Roychowdhury; Mohammad Khalid Jawed; |
| 401 | Elastic Continuum Modeling of Flexible Planar Kirigami Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will combine experiment and theory to establish a new paradigm for predicting the shape change of a kirigami metamaterial in response to loads. |
Yue Zheng; Ian Tobasco; Paolo Celli; Paul Plucinsky; |
| 402 | Universal Response of Two-dimensional Flexible Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This approach captures the real-world response of various systems, including origami sheets and planar mechanical metamaterials, with differing symmetry, coordination (bond) number, symmetry and dimensionality. |
Zeb Rocklin; Michael Czajkowski; |
| 403 | A Hamiltonian Approach to The Bifurcating Mechanics of Elastocapillary Shells Held By Needles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: and an interfacial elasticity Gh, where G is the elastic shear modulus of the polymeric layer and h its thickness. We rationalized this problem in the framework of a Hamiltonian theoretical approach and show that it can be fully analyzed for small deformations. |
Jean Farago; Wiebke Drenckhan; |
| 404 | The Other Side of Entropy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The role of entropy has since moved beyond the traditional boundaries of equilibrium thermodynamics, towards problems for which the development of a statistical mechanical theory seems plausible but the a-priori probabilities of states are not known, making the definition and calculation of entropy-like quantities challenging. In this talk, I will discuss information theoretic ideas and methods that enable these computations. |
Stefano Martiniani; |
| 405 | First Law of Thermodynamics with Strong Coupling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we discuss how the problem can be solved by a concise and simple mathematical description for classical systems in which the change in interaction energy between the two systems can be decomposed into energy flows related to state changes of each one of the systems alone. |
Susanne Still; Gavin Crooks; |
| 406 | Information and Optimal Inference Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Physics works because it ignores microscopic details, not because they are small, but because they are unimportant. This idea of importance has a natural interpretation in information theory, and in earlier work we showed that omitting detail isn’t a trade-off: A model which includes many irrelevant parameters captures much less information than a simpler model without them, when both are fitted to the same limited noisy data [1]. |
Michael Abbott; Julian Rubinfien; Benjamin Machta; |
| 407 | Data Efficiency of The Symmetric Information Bottleneck Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore the data size requirements of both methods by analytically calculating error bounds and mean squared errors in the estimation of mutual information terms used in both bottlenecks. |
K. Michael Martini; Ilya Nemenman; |
| 408 | Machine-Learning Surrogates for Information Geometric Analysis of Multi-parameter Models Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, many models are available only as "legacy code" to which AD methods are difficult to apply. To utilize these AD methods, we propose a general method in which a machine learned model is used as a surrogate model for these legacy models. |
Jay Spendlove; Mark Transtrum; Tracianne Neilsen; |
| 409 | Optimal Compression and Transcriptional Control Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: If conditional distributions are Gaussian and effective noise levels are small, we derive a scaling relation onto which all optimal bottleneck curves collapse. |
Marianne Bauer; William Bialek; |
| 410 | The Information Bottleneck and The Double Pendulum: Using Machine Learning to Study How Chaos Destroys Information Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show how machine learning presents new opportunities for the study of information loss in chaotic dynamics, with a double pendulum serving as a model system. |
Kieran Murphy; Dani Bassett; |
| 411 | What Does It Mean to Invert An Exact Renormalization Group Flow? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this note, we demonstrate how the Dynamical Bayesian Inference equation is, itself, equivalent to a continuity equation which we dub Bayesian Diffusion. |
Marc Klinger; |
| 412 | An Equivalence Between The Exact Renormalization Group and Continuous Entanglement Renormalization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we attempt to fill the gap and show that for free field theories one may develop a "Hilbert space picture" of the ERG, giving a direct equivalence of entanglement renormalization and a subclass of ERG flows. |
Samuel Goldman; |
| 413 | Information Driven Renormalisation Group on Irregular Lattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This inherent difficulty made it elusive to develop a model-independent paradigm for RSRG in inhomogeneous systems. In this work we address this gap by extending the recent information-theoretical formulation of RSRG to arbitrary irregular lattices. |
Doruk Efe Gokmen; Maciej Koch-Janusz; Zohar Ringel; Sounak Biswas; Felix Flicker; |
| 414 | Constrained Models on Quasicrystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Treating the vertices and edges of AB as those of bipartite graphs, we (i) prove the existence of Hamiltonian cycles (visiting each vertex precisely once), an NP-complete problem in general graphs, and thereby construct polynomial-time solutions in AB to a range of NP-complete problems with applications in adsorption, catalysis, scanning tunneling microscopy, and elsewhere; (ii) demonstrate the existence of fully-packed loops on Ammann Beenker tilings, and study their statistics numerically, giving a generalisation of ice-type models to aperiodic settings; (iii) apply MPS-DMRG to study the quantum dimer model; we are able to apply this technique in 2D owing to structures emerging naturally from the dimer constraint. |
Felix Flicker; |
| 415 | Phase Transition in The Computational Complexity of The Shortest Common Superstring and Genome Assembly Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Despite this fact, high-throughput technologies and modern algorithms currently allow bioinformaticians to produce and assemble datasets of billions of reads. Using methods from statistical mechanics, we address this conundrum by demonstrating the existence of a phase transition in the computational complexity of the problem and showing that practical instances always fall in the ‘easy’ phase (solvable by polynomial-time algorithms). |
David Yllanes; Victor Martin-Mayor; Luis Antonio Fernandez; |
| 416 | First Passage Time and Information of A One-dimensional Brownian Particle with Stochastic Resetting to Random Positions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore the different entropy regimes, namely, the externally-driven, the zero-entropy and the Maxwell demon regimes. |
Javier Toledo-Marin; Denis Boyer; |
| 417 | Surface Fluctuating Hydrodynamics Methods for The Drift-Diffusion Dynamics of Proteins and Microstructures Within Curved Lipid Bilayer Membranes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce surface fluctuating hydrodynamics approaches for investigating transport and fluid-structure interactions arising in cell mechanics within curved lipid bilayer membranes. |
Paul Atzberger; |
| 418 | Modeling The Assembly of Curvature Inducing Proteins in SARS-CoV-2 Budding at Multiple Scales Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This phase separation can be demonstrated analytically by modeling the coupled evolution of M protein density and membrane shape, where proper parameterization requires a microscopic understanding of the interactions and dynamics of M proteins. To help develop this understanding, we utilize a multiscale modeling approach. |
Joseph McTiernan; Michael Colvin; Roya Zandi; Ajay Gopinathan; |
| 419 | Curvature Sensing As An Emergent Property of Multi-scale Assembly of Septins Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These experiments unexpectedly indicated that septins’ curvature preference is not absolute but rather sensitive to the combinations of membrane curvatures present in a reaction, suggesting there is competition between different curvatures for septin binding. To understand the physical underpinning of this result, we developed a kinetic model that connects septins’ self-assembly and curvature sensing properties. |
Wenzheng Shi; Ehssan Nazockdast; Christopher Edelmaier; |
| 420 | Influence of Thermal Fluctuations on The Association and Localization of Proteins Onto Curved Membranes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we extend these results to develop models that predict single-protein association rates to membrane-adhered beads of different curvatures. Referring to experiments on the association of septin proteins, we propose two classes of predictive models: i) for proteins with a maximal association rate to a preferred membrane curvature, and ii) for proteins with enhanced association rates above a threshold curvature. |
Indrajit Badvaram; Brian Camley; |
| 421 | A Bifurcation Amplifies and Integrates A Noisy Signal from Many Molecular Thermo-receptors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Single neurons in the organ reliably respond to mK temperature increases, 1000 times more sensitive than single thermo-TRP ion channels, whose opening probability barely rises – by less than 0.1%. Here, we propose a mechanism for the integration of this molecular information into an amplified neural response. |
Isabella Graf; Benjamin Machta; |
| 422 | Probing Surface-mediated Protein Aggregation Via FRET-induced Lifetime Changes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We describe progress on the detection and understanding of surface-mediated aSyn aggregation on artificial membranes made from anionic phospholipids. |
Paula-Marie Ivey; Magaly Guzman Sosa; Arjun Krishnamoorthi; Justin Patel; Jean-Christophe Rochet; Kevin Webb; |
| 423 | The Mechanical Basis for Single Amphipathic Helix Engagement with Membranes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will present research into how AH-domains interact with cellular membranes at the atomistic scale. |
Christopher Edelmaier; |
| 424 | All Atom Simulations Reveal Adaptive and Multimodal Membrane Binding of Contractile Ring Anchoring Protein Mid1 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In order to elucidate Mid1’s membrane binding mechanism, we used the available structural information of the PH, C2, and CNCT in all atom molecular dynamics simulations of Mid1 near membrane compositionally based on experimental measurements. |
Aaron Hall; Yeol Kyo Choi; Wonpil Im; Dimitrios Vavylonis; |
| 425 | Atomic Insights Into Amyloid-Induced Membrane Damage Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we perform the first all-atom simulations in which membrane-bound amphipathic peptides self-assemble into β-sheets that subsequently either form stable pores inside the bilayer or drag lipids out of the membrane surface. An analysis of these simulations shows that the acyl tail of lipids interact strongly with non-polar side chains of peptides deposited on the membrane. |
Yanxing Yang; |
| 426 | Investigation of The Synergistic Antimicrobial Effect of Winter Flounder Peptides Using Molecular Dynamics Simulations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report the results of all-atom molecular dynamics simulations of the interaction of 10 different two-way combinations of Winter Flounder peptides, a family of cationic AMPs found in the epithelial mucous cells of winter flounder, against membrane models representative of gram-positive bacteria (100% POPG), gram-negative bacteria (POPE:POPG = 3:1) and red blood cells (RBC). |
Miruna Serian; |
| 427 | Exploring Specific and Non-specific Membrane Binding Targets of Self-assembling Human Islet Amyloid Polypeptide Oligomers on Phase-Separated Lipid Domains Using MD Simulations Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Self-aggregation of human Islet Amyloid Polypeptide (hIAPP) is linked to type 2 diabetics (T2D). Recent cellular studies indicate that the small, disordered hIAPP oligomers are … |
Kwan Cheng; Angela Graf; Aakriti Acharya; Thuong Pham; |
| 428 | Antibody Binding Regulates The Dynamics of The Membrane-bound Prion Protein Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate the influence of the POM1 and POM6 antibodies on the flexibility and the interaction with the membrane of the mouse PrP C by molecular dynamics simulations. |
Ioana Ilie; Marco Bacci; Andreas Vitalis; Amedeo Caflisch; |
| 429 | Force Probing Ligand-receptor Interactions on Cells and Exosomes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using the single-molecule force spectroscopy method, we probed dynamic ligand-cellular receptor interactions and found important physical parameters associated with binding and unbinding thermodynamics. |
sakurako tani; Lina Alhalhooly; Yongki Choi; |
| 430 | Dynamic Concatenation Leads to Anomalous Transport of Ring DNA in Concentrated Solutions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Beyond the insight our work provides to biological processes mediated by active restructuring of DNA, the complex fluids we engineer and study may have applications in the design of biocompatible active materials for cellular repair, toxin filtration and drug delivery. |
Juexin Marfai; Philip Neill; Ryan McGorty; Rae Robertson-Anderson; |
| 431 | Non-equilibrium Viscoelasticity Driven By Dynamic Concatenation of Ring DNA Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that the frequency-dependent viscoelastic properties of these active Olympic ring hydrogels can be precisely tuned by varying the size and concentration of the DNA rings as well as the rate at which Topoisomerase II links and unlinks the DNA. Future work will build on this bio-inspired platform by incorporating additional enzymes that fragment and ligate DNA for in situ alteration of DNA length. |
Philip Neill; Juexin Marfai; Cindy Sumair; Ryan McGorty; Rae Robertson-Anderson; |
| 432 | Time-varying Stress Response and Deformation Dynamics of Topologically-active DNA Solutions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use our recently established OpTiDDM (Optical Tweezers integrating Differential Dynamic Microscopy) methods to investigate the spatiotemporally varying rheology and deformation dynamics of topologically-active circular DNA solutions undergoing enzymatically driven linearization and fragmentation. We couple the nonlinear force response to the deformation dynamics and stress propagation field and show that these couplings depend non-trivially on the spatiotemporal scales of the measurements and the DNA concentration. |
Karthik Peddireddy; Philip Neill; Juexin Marfai; Ryan McGorty; Rae Robertson-Anderson; |
| 433 | Using DNA Nanostars to Program The Crystallization of DNA-Coated Colloids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will describe a new approach in which DNA nanostars control the interactions of DNA-coated colloids. |
Adrian Koretsky; Thomas Videbaek; W. Benjamin Rogers; |
| 434 | Self-assembly of DNA Origami Nanoparticles Into 2D Tiling Patterns Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, as the assembly complexity increases, the number of unique sets of specific interactions quickly diverges, often hindering the exploration of the full breadth of accessible structures. In this talk, I will show how orthogonal local interactions lead to rich geometrical patterns, and that such patterns can be assembled in experiment using DNA origami nanoparticles. |
Daichi Hayakawa; Thomas Videbaek; W. Benjamin Rogers; |
| 435 | Colloidal Droplet Chemistry with Mobile Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The theory covers the undeformed and the deformed droplet regime, as a function of surface tension, with applications spanning solid colloids with liquid interfaces, emulsions, all the way to liposomes and cellular membranes. |
Nicolas Judd; Angus McMullen; Sascha Hilgenfeldt; Jasna Brujic; |
| 436 | A Temperature-dependent Dynamic Binding Protocol to Study Folding of Colloidomers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we will present our coarse-grained (CG) model for colloidal particles with mobile linkers, which bind to each other via explicit formation and removal of bonded interactions. |
Gaurav Mitra; |
| 437 | Controlling Phases of Isotropic DNA-grafted Nanoparticle Assembly Through Tuning Pair Interactions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We utilize a double-linker approach to DNA-grafted NP assembly; linkers have a non-complementary spacer and a hybridization sequence that is complementary to the linker of a paired particle. |
Daniel McKeen; |
| 438 | Hierarchical Assembly Is More Efficient Than Egalitarian Assembly in Synthetic Capsids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we employ DNA origami patchy colloids designed to assemble into large capsids comprising 60 identical subunits. |
Wei-Shao Wei; Anthony Trubiano; Christian Sigl; Stefan Paquay; Hendrik Dietz; Michael Hagan; Seth Fraden; |
| 439 | Investigation of Ion-dependent Conformational Changes of DNA G-quadruplex: Molecular Dynamics Simulation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we performed all-atom molecular dynamics (MD) simulation to check the stability of the G4 structure affected by the core-forming cations, using two representative crystallographically resolved G4 structures with the same sequence but different cations. |
Juhwa Lee; Chang Yun Son; |
| 440 | Polyelectrolyte Complex Micelle Formation By PEGylated DNA and Polylysine Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we investigate the complexation behavior and morphology of PCMs formed by polylysine (PLys) as the cationic homopolymer and DNA- b-polyethylene glycol (DNA- b-PEG) as the anionic-neutral block copolymer. |
Kwanghee Lee; Sheng Li; |
| 441 | Assembly of DNA-Functionalized Nanoparticles in Concentrated Electrolytes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we study the manner in which high salt concentrations in solution influence the assembly of gold nanoparticles functionalized with non-base-pairing DNA. |
Roger Reinertsen; Sumit Kewalramani; Felipe Jimenez; Monica Olvera De La Cruz; Michael Bedzyk; |
| 442 | Temperature-Switchable Adhesives Enabled By Thermo-Responsive Soft Active Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk will discuss our recent progress in developing switchable adhesives with high adhesion toughness, large switching ratio, fast switching speed, and good reversibility. We start with a hypothesis of combining a PSA(Pressure Sensitive Adhesive)-like polymer network and its stimuli-responsive phase transition to achieve switchable adhesives. |
Ruobing Bai; Qianfeng Yin; Yichen Wan; |
| 443 | Mechanics of Adhesion at Curvature-Resisting Interfaces for Soft Solid-Bilayer Hybrids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we aim to quantify the separation behavior of two soft compartments enclosed by curvature-resisting surfaces by developing a size-dependent, isogeometric finite element framework. |
A. Derya Bakiler; Animesh Rastogi; McKayla Torbett; Stephan A. Sarles; Berkin Dortdivanlioglu; |
| 444 | Adhesion Asymmetry in Peeling of Thin Films With Homogeneous Material Properties: A Geometry-Inspired Design Paradigm Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study the peeling response of thin films with nonuniform thickness profile attached to a rigid substrate through a planar homogeneous interface. |
Ahmed Elbanna; Ahmed Ghareeb; |
| 445 | Osmocapillary Phase Separation in The Surface Roughness and Adhesion of Gels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we develop a linear-elasticity-based model to study how osmocapillary phase separation affects the surface roughness and surface energy of the gel. |
Qihan Liu; |
| 446 | Deicing with in Situ Electrolysis Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we propose a fundamentally different approach to the classical problem of deicing using in situ water electrolysis. |
Saurabh Nath; Henri-Louis Girard; Ha Eun David Kang; Srinivas Bengaluru Subramanyam; Yang Shao-Horn; Kripa K Varanasi; |
| 447 | Crease Formation in Microscale Friction on A Soft, Adhesive Surface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We employ an experimental approach that combines force and confocal microscopy to combine force quantification with cross-sectional imaging. |
Jonathan Pham; Justin Glover; Xingwei Yang; Rong Long; |
| 448 | Capillary Detachment of A Microsphere from A Liquid-liquid Interface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we correlate the detachment force with the shape of the meniscus by combining colloidal probe, atomic force microscopy (AFM) and laser scanning confocal microscopy. |
Md Sazzadul Alam Rahat; |
| 449 | Self-Assembled Asperities for Pressure Tunable Adhesion Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we present a versatile and scalable pressure tunable adhesive (PTA) that is based on the self-assembly of stiff microscale asperities on an elastomeric substrate. |
Chelsea Davis; Naomi Deneke; Jamie Booth; Edwin Chan; |
| 450 | Bendable Adhesion: Is There A Better Way of Measuring Surface Energy? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we consider the scenario in which a slender microstructure comes into contact with a sphere; although the strains induced by adhesion remain small, the object’s slenderness allows for a large and more easily measurable macroscopic deformation. |
Andrea Giudici; Ian Griffiths; Dominic Vella; Janine Nunes; |
| 451 | Temperature Dependence of Kinetic Friction of Thermoplastics: A Handle for Plastics Sorting? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we examine friction near the melting point for four common PCRs as an alternative property for sortation. |
Joshua Thomas; Chad Snyder; Kalman Migler; |
| 452 | Underwater Friction for Soft-hard Contacts Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we are using a soft elastomer (crosslinked PDMS) with a smooth solid substrate (OTS monolayer) and varying parameters such as surface wettability, elastic modulus, and velocity. |
Utkarsh Patil; Nityanshu Kumar; Shubhendu Kumar; Ali Dhinojwala; Hunter King; |
| 453 | Architeturally Encoding Adhesion in Brush Polymer Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have developed an alternative, additive-free PSA design platform empowering topological control over adhesive performance without altering chemical composition. |
Sergei Sheiko; Mitchell Maw; Andrey Dobrynin; |
| 454 | Linking Friction Scales from Nano to Macro Via Avalanches Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Steady-state fluctuations in the friction force of molybdenum disulfide (MoS2), a prototypical lamellar solid, were analyzed experimentally for newton-scale forces and … |
Tyler Salners; |
| 455 | Scratching Across Ductile Regimes of Wear: The Role of Load-bearing Area and Friction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The abraded volume depends on the equilibrium depth which is reached once the normal force is balanced by a lifting force during the scratching process. We show that the dependence of the equilibrium depth on the lifting force is highly non-linear and diverges above a threshold force that depends on the hardness, friction and geometry of the tip. |
Rosario Capozza; Kevin Hanley; |
| 456 | Lesson from Smart Slime: How Adaptive Flow Networks Process Information for Complex Behaviour Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Taking inspiration from the mechanisms in Physarum we outline how to embed complex behaviour in active microfluidic devices and how to program human vasculature. |
Karen Alim; |
| 457 | Physics for Local Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We adopt a different approach, focusing on far simpler networks that exploit physics to both perform the forward computation and to obtain local learning rules that replace back propagation. |
Andrea Liu; |
| 458 | Mechanical Intelligence: Lessons from Biotic and Abiotic Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: With examples from our work in understanding origins of behavior in single cells and non-neuronal multi-cellular ensembles – I will draw a few principles of mechanical intelligence. |
Manu Prakash; |
| 459 | Embodying Physical Intelligence in Soft Robots for Autonomy and Intelligence Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To address the challenge, in this talk, I will discuss integrating mechanical intelligence with materials intelligence in liquid crystal elastomer-based soft active structures for achieving autonomous motions and even self-decision-making capabilities in soft robots. |
Jie Yin; |
| 460 | Design and Additive Manufacturing of Robotic Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present a suite of new multi-material additive manufacturing processes and design methodologies to create materials with controlled and tailorable structural and functional behaviors. |
Rayne Zheng; |
| 461 | APS Medal for Exceptional Achievement in Research Winner: Sidney NagelNature Does Not Favor Order; Biology Does Not Favor Equilibrium Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will try to emphasize some ways in which memory formation can be a unifying concept. |
Sidney Nagel; |
| 462 | Solvent Reorganization Leads to Enthalpy–entropy Compensation in Biomolecular Recognition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find that the solvent reorganization is the major source of the EEC during the binding process, arising from the temperature-dependent nonelectrostatic and electrostatic interactions. |
Shensheng Chen; Zhen-Gang Wang; |
| 463 | Complexation of Oppositely-charged Polyelectrolytes in The Presence of Divalent Ions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a study on the effects of ion valency, which remains largely unexplored. |
Jacob Horne; Jian Qin; Yan Xia; Kayla Barker; |
| 464 | Factors Governing Polyelectrolyte Complexation in Non-Ideal Environments Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, non-idealities in PE composition and architecture will be addressed to mimic and represent realistic conditions under which PE complexation occurs. |
Divya Iyer; Holly Senebandith; Samanvaya Srivastava; Lucas Willey; Peter Goh; Vanessa Huaco; |
| 465 | Internal Structure in Systems of Self-coacervating Polymers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present the results of our computational study using a highly coarse-grained polymer model containing polycation, polyanion, and uncharged blocks with explicit monomer polarizability. |
Zuzanna Jedlinska; Robert Riggleman; |
| 466 | Transfer Matrix Theory of Complex Coacervation for Patterned Polyelectrolytes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By understanding how charged monomer sequence plays a role in complex coacervation, we aim to gain a greater understanding of the physics involved with biological condensates. |
Ashley Knoerdel; Charles Sing; |
| 467 | PH Effects on Conformation and Ionization of Charge Sequence Varied Polyampholytes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: From pH titrations and small angle X-ray (SAXS) experiments, we find increasing buffering behavior with growing block length as well as extension of the molecule, approaching PE behavior at extreme pHs. |
Winnie Shi; |
| 468 | Structure and Viscoelasticity of Hybrid Colloid-Polyelectrolyte Coacervates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We theoretically consider complex coacervation between polyelectrolytes (PEs) and oppositely charged colloids, such as globular proteins, solid nanoparticles, or spherical micelles of ionic surfactants. |
Artem Rumyantsev; Oleg Borisov; Juan De Pablo; |
| 469 | Phase Separation with Elasticity: Interplay of Droplet Morphology and Thermodynamic Stability Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, I propose a model that comprises elastic and mixing energies to describe the liquid-network system. |
Shichen Wang; Peter Olmsted; |
| 470 | Effect of Polymer Gel Elasticity on Coacervate Phase Behavior Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In order to investigate the effect of the elastic environment on biomacromolecular assembly, we have studied how varying gel modulus changes the phase behavior and radius of coacervate droplets. |
Kathryn Wilcox; Brittany Roopnarine; Kai Yamagami; Adam Linscott; Svetlana Morozova; |
| 471 | Mixing and Solvation Transitions in Aqueous Mixtures of Free Polymers and Microgels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we will describe how solvated poly(N-isopropylacrylamide), or PNIPAM, does not penetrate into polyethylene glycol (PEG) microgels dispersed into an aqueous PNIPAM solution at low temperatures. |
Senthilkumar Duraivel; Sofia Goodrich; Brent Sumerlin; Thomas Angelini; |
| 472 | Charge-Pattern Dependent Sequestration of Globular Proteins in Membraneless Organelles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use coarse-grained molecular dynamics simulations to study the role of surface charge patterns in the sequestration of globular proteins in MLOs. |
Heyi Liang; Artem Rumyantsev; Juan De Pablo; |
| 473 | Liquid-liquid Phase Separation Within Fibrillar Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we introduce a synthetic analog to biomolecular condensates within the cell. |
Jason Liu; Mikko Haataja; Andrej Kosmrlj; Sujit Datta; Craig Arnold; Rodney Priestley; |
| 474 | Liquid State Theory of Microstructure and Local Clustering of Biomolecular Condensates and Its Consequences on Slow Dynamics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use the Polymer Reference Interaction Site Model liquid state integral equation theory that is highly developed for synthetic homopolymer and copolymer melts and solutions to study biomolecular condensates of periodic and aperiodic sequences in polymeric microemulsion-like states of organization. |
Guang Shi; Ken Schweizer; |
| 475 | Upper Critical Solution Temperature Phase Behavior of Polyguanidinium Simple Coacervation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we demonstrate that the polyguadinium in aqueous media undergoes LLPS when the electrostatic repulsion is sufficiently reduced by monovalent or multivalent salts, and the simple coacervation shows the upper critical solution temperature (UCST) phase behavior. |
Seunghwan Oh; SooHyung Choi; |
| 476 | Molecular Mechanism of Selective Partitioning of Medicinal Lipids Into Lipid Droplets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present a molecular dynamics simulation study revealing that worm-like flexible squalene is readily deformed to move through intertwined chains of triacylglycerols in the LD core, whereas rod-like rigid zeaxanthin is trapped on the LD surface due to a high free energy barrier in diffusion. |
Chang Yun Son; |
| 477 | Assembly Engineering and The Promise of Patchy Particles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we explore where another decade or two of research on patchy particles for assembly engineering may take us, what new developments are needed for progress, what exciting advances we are likely to see, and what the next generation of patchy particles might bring, both scientifically and technologically. |
Sharon Glotzer; |
| 478 | Hard Particle Self-assembly from The Perspective of Geometric Frustration Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By increasing the hypersphere radius to gradually flatten space, we introduce geometric frustration that prevents the particles from tessellating the hypersphere, and inevitably introduces defects. |
Philipp Schönhöfer; Kai Sun; Xiaoming Mao; Sharon Glotzer; |
| 479 | Shaping The Interaction Behavior of Mechanically Linked Colloids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Herein, we investigate the relation between shape and interaction behavior by engineering the morphology of hexapod-shaped colloidal particles. |
Terrence Hopkins; stefano sacanna; |
| 480 | Digital Alchemy for The Inverse Design of Patchy Particles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we extend the DA framework to the inverse design of triblock Janus patchy particles that self-assemble target crystal structures. |
Tim Moore; Luis Rivera-Rivera; Sharon Glotzer; |
| 481 | Simulation of Nanoparticle Aggregation Using Experimental Potentials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This approach provides a more thorough and useful view of nanoparticle aggregation compared to the Smoluchwski and other kinetic theories. |
Ugochukwu Okoli; Greg Beaucage; Kabir Rishi; Vikram Kuppa; |
| 482 | Low Refractive Index Binary Colloidal Crystals from Charged Fluorinated Polymers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Under the right conditions, oppositely charged colloids in water can serve as model ions and form bulk ionic colloidal crystals [1]. To study structure and crystallization dynamics of these binary systems we developed low refractive index colloidal spheres that can be index matched in water:DMSO mixtures, thus enabling in situ 3D confocal microscopy. |
Shihao Zang; Adam Hauser; stefano sacanna; |
| 483 | Principles of Self-assembly of Polydisperse Chains of Spheres Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use spheres of different sizes along the chain to encode a wider range of foldamer shapes. |
Rabeya Hussaini; Maitane Muñoz Basagoiti; Zorana Zeravcic; Jasna Brujic; |
| 484 | A Real-space Method for Describing, Constructing and Understanding Quasicrystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we propose a new quasi-unit cell framework for describing, categorizing, constructing and understanding quasicrystals based on their self-similarity. |
Domagoj Fijan; Andrew Cadotte; Sharon Glotzer; |
| 485 | Programmable Physical Models for Understanding Complex Self-assemblies and Designing Functional Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present an end-to-end differentiable physical model with novel features that can reproduce the functional behaviors of some biological self-assemblies, such as the dynamical growth of microtubules. |
Qian-Ze Zhu; Chrisy Xiyu Du; Ella King; Michael Brenner; |
| 486 | Targeted Assembly of Colloidal Co-Crystals from Radical Voronoi Particles and The Importance of Radius Ratio Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report an inverse design protocol for assemblies of CsCl-, NaCl-, and cubic ZnS-type binary colloidal crystals based on the radical Voronoi tessellation [1]. |
Yuan Zhou; Allen LaCour; Sharon Glotzer; |
| 487 | Architecting Soft Materials Using Fluidic Gates: A Practical Analogy to Boolean Logic Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Within appropriate rheological constraints, the assembled architectures are determined by the contours of the device rather than the composition of the constituents. We highlight the utility of this geometrically-dictated process in two different applications: patterning hydrogel cross-linking density to program shape actuation [10.1021/acsami.2c02069], and intensifying emulsification of high-viscosity ratio systems [10.1002/aic.17192]. |
Alexandra Bayles; Tazio Pleij; Matthew Murdock; Jan Vermant; |
| 488 | Shape and Interaction Decoupling for Colloidal Pre-assembly Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that clusters of up to nine particles form mesoscale building blocks with geometries that are independent of the particles’ degree of faceting and dipolar magnetic interactions. |
Erin Teich; Lucia Baldauf; Peter Schall; Greg Van Anders; Laura Rossi; |
| 489 | Multilayered Ordered Arrays Self-assembled from A Mixed Population of Nanoparticles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore the synthesis of bio-inspired nanomaterials through the self-assembly of up to 4 different types of nanoscale virus-like particles (VLPs) derived from bacteriophage P22, which can be genetically engineered to express different surface charges. |
Camila Faccini de Lima; Fanbo Sun; Vikram Jadhao; |
| 490 | Electric-field Distributions from Densest Packings of Charged Spheres in Cylindrical Confinement Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Identical hard spheres in cylindrical confinement exhibit a variety of densest-packed columnar structures that vary with the corresponding cylinder-to-sphere diameter ratio D. Research in the past two decades has focused on the structural characteristics of such structures, and less attention has been paid to their physical properties. We have investigated theoretically the electric-field distributions from five types of such structures at D ∈ [1, 2], namely linear chain, planar zigzag, single helix, double helix, and achiral doublets, where each structure of interest is modelled as a spatial distribution of identical point charges at the sphere centers. |
Yanyu DUAN; Zecheng Gan; Ho-Kei CHAN; |
| 491 | Topological Defects with Tunabel Chirality and Morphology Induced By 3D-Printed Square Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Topological defects exist widely in the orientationally ordered matter such as nematic liquid crystal. Their morphphology and topological properties can be controled by topology and anchoring conditions of their boundaries, Here we used two photon printing technique to make microscale square networks and study topological defects they induce in nematic liquid crystals. |
Zhongjie Ma; Shengzhu Yi; Rui Zhang; Qi-Huo Wei; |
| 492 | Phase Separation of Nonionic Polymers That Can Stick and Slide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we discuss, a tropoelastin-inspired design of synthetic nonionic polymers (HyPPos) that undergo single-component LLPS above their lower critical solution temperature. The phase separation behavior of these polymers is insensitive to the changes in pH. Using HyPPos, we studied the minimal physicochemical parameters required for the synthesis of the polymers that undergo single-component LLPS. |
Amal Narayanan; Apoorva Vishwakarma; Ali Dhinojwala; Abraham Joy; |
| 493 | Designing Self-Limiting Assembly Using Magnetically Interacting Micro-Panels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we introduce a theory-computation-experiment workflow to design building blocks for targeted assembly behaviors. |
Remi Drolet; Chrisy Xiyu Du; Ella King; Agnese Curatolo; Zexi Liang; Melody Lim; Itai Cohen; Paul McEuen; Michael Brenner; |
| 494 | Thermal Transport in Amorphous and Semi-crystalline Epoxy Networks Via Bond Engineering Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using molecular dynamics simulations, we investigate the factors effecting k of epoxy networks. |
Debashish Mukherji; |
| 495 | 3D Crystals of Supramolecular Nanotubes Containing Up to 94% of Liquid Water Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: 3D crystalline order with 1 nm resolution is observed in aqueous solutions of supramolecular nanotubes at concentrations as low as 6 wt%. The nanotubes are self-assembled from … |
Goran Ungar; Ningdong Huang; |
| 496 | Novel Smart Materials from Pluronic F127 and Akaganeite (β-FeOOH) Nanorods Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk presents a detailed methodology of akaganeite nanorod synthesis by a simple sol-gel process. |
Surya Narayana Sangitra; Ravi Kumar Pujala; |
| 497 | Computer Simulations of Melts of Ring Polymers with Non-conserved Topology: A Dynamic Monte Carlo Lattice Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We develop a kinetic Monte Carlo scheme for polymer chains on the 3d FCC lattice which takes into account the possibility for pairs of polymer strands to perform strand crossing at a given tunable rate. |
Mattia Alberto Ubertini; Angelo Rosa; |
| 498 | Entropy-driven Crystallization of Flexible Chains of Hard Spheres Under Confinement Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Through extensive Monte Carlo simulations, we study the heterogeneous crystallization of linear, fully flexible chains of tangent hard spheres under confinement in one or three dimensions. |
Daniel Martínez-Fernández; Pablo Ramos; Miguel Herranz; Katerina Foteinopoulo; Nikos Karayiannis; Manuel Laso; |
| 499 | Colloidal Molecules with Directionality and Controlled Flexibility Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we create flexible colloidal molecules with an in situ controllable motion range by assembling spherical particles onto cubes functionalized with complementary surface-mobile DNA. |
Daniela Kraft; |
| 500 | How Recurrent Neural Networks Infer Dynamical Models from Data for Prediction, Inference, and Source Separation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I introduce a framework that allows randomly constructed neural networks to learn and manipulate dynamical models from data via generalized synchronization. |
Zhixin Lu; |
| 501 | The Dynamics of Recurrent Neural Networks Throughout Learning at The Edge of Chaos Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we demonstrate that intrinsic excitability enables RNNs to form more stable and robust internal representations whose geometry converges throughout learning. |
Tala Fakhoury; |
| 502 | Robust Memory Manifolds in Neural Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a general principle that we refer to as frozen stabilization (FS), which allows a family of neural networks to self-organize to a dynamically critical state exhibiting multiple memory manifolds without parameter fine-tuning or symmetries. |
Tankut Can; Kamesh Krishnamurthy; |
| 503 | Mean Field Trajectories in A Spin Model for Decision Making on The Move Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work demonstrates the rich space of trajectories that emerge from the model. |
Dan Gorbonos; Nir Gov; Iain Couzin; |
| 504 | Transitions in Classical Dynamical Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For the circle map, aka, climbing sine map, we focused on the properties of trajectories evolving in one cell or the ones transitioning to the neighboring cells for different order parameters. |
Negin Moharrami Allafi; Enrique Pujals; Vadim Oganesyan; |
| 505 | Frequency Shifting and Induced Stability in Systems of Asymmetrically Coupled Oscillators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, in natural systems such as social systems and the brain, influences between components are often unequal. In the present work, we generalize our previous work by allowing each oscillator’s coupling strength to be asymmetrical, where a given oscillator may be more sensitive to the influence of its partners than vice versa. |
Joseph McKinley; Mengsen Zhang; Alice Wead; Christine Williams; Emmanuelle Tognoli; Christopher Beetle; |
| 506 | Dynamics of Model Oscillatory Neuronal Networks with Adaptive Synaptic Weights and Structure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the dynamics of phase oscillator networks with variable coupling strength and structure that can represent oscillatory neuronal networks where the spiking dynamics, synaptic weights, and network structure influence each other. |
Kanishk Chauhan; Ali Khaledi-Nasab; Alexander Neiman; Peter Tass; |
| 507 | High-Order Accuracy Computation of Coupling Functions for Strongly Coupled Oscillators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We develop a general framework for identifying phase-reduced equations for finite populations of coupled oscillators that is valid far beyond the weak coupling approximation. |
Youngmin Park; |
| 508 | Interpreting Polychronization Through The Lens of Tropical Geometry Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the temporal coding regime, synaptic delays become crucial for understanding cognitive dynamics, and spiking neural networks with nontrivial synaptic delays are known to express certain complex behaviors such as polychronization. In this talk, we explore the link between such delay networks and a field of mathematics called tropical algebra, which has found applications in fields from optimization and control to field theory. |
Matthew Daniels; Advait Madhavan; Mark Stiles; |
| 509 | High-order Phase Reduction Applied to Remote Synchronization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we analytically demonstrate the role of two factors promoting remote synchrony. |
Michael Rosenblum; |
| 510 | Theory of Communication Subspaces for Stochastic Recurrent Neural Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To fully understand and replicate this ability of the brain in artificial systems, we need a deeper understanding of information transfer across cortical areas. We reduce this gap by developing analytical tools to analyze interareal communication in terms of coherence and noise correlations in subpopulations of neurons within and across areas. |
Shivang Rawat; David Heeger; Stefano Martiniani; |
| 511 | Modulation of Synaptic Signaling By Calcium Feedback Loops in Dendritic Spines Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This electric isolation can be a mechanism for neuromodulation to control the regime of a cortical circuit’s effective recurrence. In this project, we simulate a spatial neuron model with a single spine on a dendrite and a minimal set of channels to study how voltage-dependent calcium feedback loops and calcium-dependent potassium channels in the spine can modify the neuron synaptic potential, and the implications this may have on cortical circuits like attractor networks. |
Harper Cho; |
| 512 | Neurodynamical Computing at The Information Boundaries of Intelligent Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By integrating the dynamical systems view of cognition with the distributed feedback of perceptual control, we highlight theoretical gaps in understanding neurodynamical function. |
Joseph Monaco; Grace Hwang; |
| 513 | Entanglement Topology of Ring-Linear Polymer Blends Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present results from equilibrium and non-equilibrium molecular dynamics simulations of the equilibrium dynamics, entanglement topology, and nonlinear extensional rheology of ring/linear polymer blends, systematically varying the fraction of rings and the ratio of ring and linear chain lengths. |
Gary Grest; |
| 514 | Chemical Features of Convected Constraint Release in Polymer Melts Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find that entanglement kinetics are independent of molecular weight and thus the number of entanglements, but depend the number of Kuhn segments per entanglement strand Ne. |
Peter Olmsted; Benjamin Dolata; Marco Aurelio Galvani Cunha; Mark Robbins; |
| 515 | Effect of Compatibilizers on Polymer Blend Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use coarse-grained molecular dynamics simulations to determine the effect of diblock copolymers and sheet-like compatibilizers at polymer blend interfaces. |
Shoumik Saha; Dilip Gersappe; |
| 516 | Force-Driven Active Dynamics of Thin Nanorods in Unentangled Polymer Melts Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A scaling theory is developed to quantify the dependence of the friction coefficient on the strength of the active force. |
Siteng Zhang; Jiuling Wang; Ting Ge; |
| 517 | Flow-Driven Dynamic Heterogeneity in Elongating Associative Polymer Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we apply a new reactive bead-spring model for associating polymers with coordinated dynamic bonds and study their dynamics during extensional deformation. |
Thomas O’Connor; |
| 518 | Uniaxial Elongational Flow of Entangled, Associating Linear Polymer Melts Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find that cluster size increases with increasing interaction between the associating beads. |
Rosita Sivaraj; Supun Mohottalalage; Dvora Perahia; Thomas O’Connor; Gary Grest; |
| 519 | Molecular Dynamics Simulation of Diffusiophoretic Motion of Nanoparticles Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Diffusiophoresis refers to the spontaneous motion of a particle or a polymer chain in a solution induced by a concentration gradient of a different type of solutes. … |
Binghan Liu; Gary Grest; Shengfeng Cheng; |
| 520 | Evaporation of Sessile Droplets: A Molecular Dynamics Study Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we report molecular dynamics simulations of the evaporation process of a droplet adsorbed on a solid substrate with the contact line pinned by a chemical heterogeneity. |
Yisheng Huang; Shengfeng Cheng; |
| 521 | Using Scale-dependent Elasticity to Probe and Influence The Distribution of Localization Lengths in The Amorphous Solid State Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show, in particular, how the response to short length-scale elastic deformations sheds light on the asymptotics of the distribution at short localization length-scales. |
Boli Zhou; Rafael Hipolito; Paul Goldbart; |
| 522 | Characterization of Local-perturbation-induced Non-affine Displacement Fields in Amorphous Solids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We showed that local pure shear of single triangles can give rise to quadrupolar displacement fields, though in most cases there were significant contributions from other types of defects. |
Jinpeng Fan; Evan Willmarth; Weiwei Jin; Amit Datye; Udo Schwarz; Mark Shattuck; Corey O’Hern; |
| 523 | Understanding Non-affine Displacement Fields of Amorphous Solids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We take a stepwise approach to understanding the differences in the nonaffine displacement fields of amorphous solids and those obtained from Eshelby inclusions. |
Evan Willmarth; Jinpeng Fan; Weiwei Jin; Mark Shattuck; Corey O’Hern; |
| 524 | Engineering Fluid-fluid Interfaces Through Processing and Multicomponent Adsorption Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk will provide the motivation to use microscale interfaces for efficient analysis of complex interfacial phenomena and how that relates to the material properties of interface-dominated materials. |
Lynn Walker; |
| 525 | Effect on Interfacial Tension of Multiblock Polymers at Immiscible Homopolymer Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: While significant theoretical and experimental effort has been devoted to understanding how diblock copolymers reduce interfacial tension, considerably less effort has been devoted to studying the reduction in interfacial tension induced by multiblock copolymers when they adsorb at interfaces. To address this question, we will present interfacial tension data obtained via molecular dynamics simulations of a coarse-grained polymer model, focusing on the extent to which this effect is controlled by the architecture of the multiblock polymers. |
Ryan Collanton; Kevin Dorfman; |
| 526 | Self-Assembly of Amphiphilic Janus Particles at Oil/Water Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, there has been less work focused on understanding the mechanism and factors governing the interfacial assembly of Janus particles. We investigated the interfacial behavior of these chemically and morphologically heterogeneous polymer colloids using pendant drop tensiometry. |
Alex McGlasson; Thomas Russell; |
| 527 | Aggregation and Pressure Effects of Asphaltene and Resin Molecules at Oil–water Interfaces: A Coarse-grained Molecular Dynamics and Free Energy Study Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Coarse-grained molecular dynamics simulations were used to investigate the aggregation of asphaltene and resin molecules in oils and their deposition to oil–water interfaces. … |
Roland Faller; |
| 528 | Per- and Polyfluoroalkyl Substances (PFAS) Foams: Effect of Interfacial Properties Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the present work, the foaming capacity of long-chain and short-chain PFAS in the presence of electrolytes is studied. |
Muchu Zhou; Stephen Kooker; Reza Foudazi; |
| 529 | The Effect of Core Tg on The Air–Water Surface Mechanical Properties of Water–Spread Block Copolymer Micelles Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: In the pursuit of the development of a novel polymer lung surfactant therapeutic, proper design and understanding of the air–water surface mechanical properties of the polymer … |
Daniel Fesenmeier; You-Yeon Won; Seyoung Kim; |
| 530 | Sequence-Defined Polymer Brushes As Patternable Surface Modification Monolayers for Semiconductor/Bio Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we developed a class of bioinspired, sequence-defined polymers–polypeptoids, as designer polymer brushes for surface modification of lithographic substrates. |
Beihang Yu; Boyce Chang; Whitney Loo; Scott Dhuey; Padraic O’Reilly; Paul Ashby; Michael Connolly; Kathleen Ryan; Grigory Tikhomirov; Ronald Zuckermann; Ricardo Ruiz; |
| 531 | Symmetry-Breaking Patch Formation on Triangular Gold Nanoparticles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work provides a novel approach to leverage polymer interaction with nanoscale surfaces to drive asymmetric grafting in functional nanomaterials. |
Thi Vo; Ahyoung Kim; Hyosung An; Progna Banerjee; Lehan Yao; Shan Zhou; Chansong Kim; Delia Milliron; Sharon Glotzer; Qian Chen; |
| 532 | Structural and Dynamic Properties of Poly(styrene-co-maleic Anhydride) at The Interface of Conjugated Polymers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, I will present the results of a series of all-atom molecular dynamics simulations that we have conducted in order to provide a molecular scale understanding of the structural and dynamic properties of poly(styrene-co-maleic anhydride) (PSMA), which is a common capping agents for CPNs, on the interface of the conjugated polymer, poly(9,9-di-n-octylfluorene-alt-benzothiadiazole) (F8BT). |
Christian Lorenz; Robert Ziolek; Mark Green; Miruna Serian; Alice Pettitt; |
| 533 | Monomer Distributions in Dyck Path Models of Grafted Polymers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These physical properties affect the adsorption of molecules into the layer. In this talk this is modelled using a directed Dyck path model of a grafted linear polymer. |
Esaias Janse van Rensburg; |
| 534 | Zwitterionic Polymer Grafted from Silica Surface for The Study of Mucosal Transport Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Herein, we studied the interactions between mucus and zwitterionic polymers with PMPC, and the combined effects of boronic acid chemistry, surface presentation, and pH on particle-mucus interactions. |
KARLA CURENO HERNANDEZ; Jeonghun Lee; Sunghoon Kim; Margarita Herrera-Alonso; |
| 535 | Computations with Flexible Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The central tenet of this talk is that interactions between such bits allow flexible (meta) materials to store and process information. I will discuss metamaterials that count how often they are compressed and that can select and process input strings composed of complex compression cycles. |
Martin van Hecke; |
| 536 | Exotic Properties Enabled By A Mechanical Metamaterial That Contracts Under Increasing Tension Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recently it has been suggested that this behavior is not inevitable: a sudden and finite contraction under an increasing quasistatic tension load could theoretically be observed in a nonlinear mechanical network satisfying a Wheatstone bridge topology. Inspired by this theoretical prediction, we design and manufacture a mechanical structure that displays this counter-intuitive phenomenon. |
Paul Ducarme; |
| 537 | Multistable Machines with Mechanical Sensing Capabilities Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a strategy to realize multistable structures with a tunable energy landscape to allow for a wide range of deformation sequences. |
Leon Kamp; Benjamin Gorissen; Mohamed Zanaty; Ahmad Zareei; Katia Bertoldi; |
| 538 | The Collective Snapping of Competing Buckled Beams Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we study the collective snapping of buckled beams in contact, and obtain a novel transition between two distinct snapping regimes. |
Lennard Kwakernaak; Martin van Hecke; Arman Guerra; |
| 539 | Connecting The Branches of Multistable Non-Developable Origami Using Crease Stretching Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Specifically, for a 4-facet origami system, it has been shown that these stable states lie on two disconnected branches. In this work, we take a 4-facet origami system and permit crease stretching in addition to bending to enable the continuous folding between these otherwise disconnected branches. |
Andres Arrieta; Clark Addis; |
| 540 | Defect Engineering of Nonlinear Wave Propagation in Bistable Mechanical Lattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work is a step towards developing a rational approach to defect engineering for manipulating nonlinear waves in mechanical metamaterials. |
Piyush Grover; Mohammed A Mohammed; |
| 541 | Exploiting Buckling-induced Symmetry Breaking for Tunable Wave Propagation Through Elastic Phononic Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we take a closer look at buckling-induced symmetry breaking and extend the representation theory formalism for different loading conditions. |
Tejas Dethe; Alison Root; Andrej Kosmrlj; |
| 542 | Symmetry Breaking Via Buckling in A Soft Piezoelectric Phononic Crystal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We simulated compression of a soft PPC using the arc-length method to investigate large, nonlinear deformations. |
Alison Root; Tejas Dethe; Andrej Kosmrlj; |
| 543 | Nonreciprocity Via Nonlinearity-enabled All-acoustic Spatiotemporal Modulation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: One way to break reciprocity is by breaking the time-reversal symmetry by spatiotemporally (ST) altering a system’s material properties. In the present study, we derive the equations of motion for a discrete non-linear spatiotemporal modulated spring mass system, where the shear stiffnesses are non-linearly dependent on the longitudinal deformations, and produce a physical realization of such a system. |
Jihad Alqasimi; Kai Qian; Nicholas Boechler; |
| 544 | Analytic Characterization and Control of Nonlinear Nonuniform Boundary Modes in Isostatic Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We further introduce a diagram-based approach to reveal an infinite, but subextensive, number of uniform collapse pathways. We find that all of these pathways are pure-dilational, suggesting the continued role of the conformal maps, and overall bringing the complete characterization and control of the zero energy deformation pathways of this lattice into view for the first time. |
Michael Czajkowski; Zeb Rocklin; |
| 545 | Novel Re-entrant Transition As A Bridge of Broken Ergodicity in Confined Monolayers of Hexagonal Prisms and Cylinders Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Monte Carlo simulations were used to study the entropy-driven monolayer assembly of hexagonal prisms and cylinders under hard slit confinement. At the conditions investigated, the … |
Prajwal Bangalore; Fernando Escobedo; |
| 546 | Multistable Self-folding Knit Architectures for Soft Switches Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, this typically requires the tedious assembly of layers while they are under strain. Here, we show that the weft knitting process intrinsically introduces differential internal stresses into the fabric and we exploit these stresses in periodic and non-periodic patterns to achieve multistability. |
Kausalya Mahadevan; Vanessa Sanchez; Helen Read; Katia Bertoldi; |
| 547 | Exploration of The Energy Landscape of Knitted Fabrics for Mechanical Programmability Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use a physically validated and efficient numerical tool to calculate the strain energy landscape of knitted materials. |
Xiaoxiao Ding; Christopher Rycroft; |
| 548 | Cell-Matrix Elastocapillary Interactions Drive Pressure-based Wetting of Cell Aggregates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By contrast, upon wetting compliant substrates, cell substrate tension is attenuated and aggregate capillary forces contribute to internal pressures that drive expansion.Thus, we show by experiments, data-driven modelingand computational simulations that myosin-driven’active elasto-capillary’ effects enable adaptation of wetting mechanisms to substrate rigidity and introduce a novel, pressure-based mechanism for guiding collective cell motion. |
Michael Murrell; |
| 549 | Active Restructuring of Kinesin-driven Cytoskeletal Composites with Hydrogel Inclusions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we create actin-microtubule composites, driven by kinesin motors, and with structural and dynamical properties that are tuned by different types of crosslinkers. |
Maya Hendija; |
| 550 | Engineered Composites of Actin Filaments, Microtubules, and Associated Motor Proteins Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have developed a 3D bead-chain model of actin and microtubules without and with motors. |
Lauren Melcher; Michael Rust; Jennifer Ross; Megan Valentine; Rae Robertson-Anderson; Moumita Das; |
| 551 | Globally Ordered States in The Collective Motions of Self-propelled, Semi-flexible, Penetrable Filaments Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A wealth of active phases has been reported, characterized by orientational order that may be local or global, polar or nematic (apolar), and involving significant bending and crossovers when filaments collide. To elucidate the connection between these macroscopic and microscopic observations, we use Brownian dynamics simulations to study the collective motions of semi-flexible filaments that self-propel with a constant force along the local tangent direction. |
Madhuvanthi Athani; Daniel Beller; |
| 552 | Nonlinear Mechanics and Stress Propagation in Out-of-Equilibrium Cytoskeleton Composites Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The cytoskeleton is a system of interest to materials researchers because it is able to tune its material properties in response to its environment in a controlled way in part due … |
Daisy Achiriloaie; Kit Bennett; Mehrzad Sasanpour; Karthik Peddireddy; Michael Rust; Moumita Das; Megan Valentine; Janet Sheung; Jennifer Ross; Ryan McGorty; Rae Robertson-Anderson; |
| 553 | Nonlinear Local Straining Leads to Non-equilibrium Deformation Fields and Dynamics of Motor-driven Cytoskeleton Composites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we combine optical tweezer microrheology, fluorescence microscopy and differential dynamic microscopy (DDM) to characterize the stress response and deformation field of composites undergoing local cyclic straining. |
Mehrzad Sasanpour; Daisy H. Achiriloaie; Maya Hendija; Karthik R. Pedidireddy; Ryan J. McGorty; Rae M. Robertson Anderson; |
| 554 | Structural Rearrangement and Slow Dynamics Near The Onset of Rigidity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Near the onset or loss of rigidity, dissipation-limiting rearrangements dominate the macroscopic viscoelastic response, giving rise to diverging relaxation times and power-law rheology. Here, we describe the quantitative relationship between nonaffine rearrangements and excess viscosity in fluid-immersed amorphous materials, and we verify this relationship in rheological simulations of crosslinked networks and dense suspensions. |
Jordan Shivers; Saamiya Syed; Abhinav Sharma; Fred MacKintosh; |
| 555 | Circadian Clock Proteins Program Time-Dependent Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By biotinylating KaiB monomers, we repurpose the KaiC-KaiB complexes to crosslink microscopic constituents of materials with unique time-dependent patterns. We incorporate these ‘circadian crosslinkers’ into suspensions of hydrogel microspheres and biopolymer networks to drive time-dependent structural changes mediate by the time-dependent formation and disassembly of KaiB-KaiC complexes. |
Gregor Leech; Michelle Chiu; Maya Nugent; Lauren Melcher; Jennifer Ross; Moumita Das; Michael Rust; Rae Robertson-Anderson; |
| 556 | Rheology and Shear Banding Behavior of Soft Hydrogels Packings in The Quasistatic Flow Regime Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate here how shear bands emerge from soft, low-frictional spherical grains whose interactions and gravitational stress gradients can be tuned. |
Zohreh Farmani; Joshua Dijksman; Jing Wang; Ralf Stannarius; Cindy Lübeck; Oliver Speck; Nazanin Ghods; Stefan Radl; |
| 557 | Optimum Viscosity Reduction By Cruising in Dense Suspensions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that the cruising protocol is better than an oscillatory shear applied in the perpendicular direction, even though the latter’s viscosity reduction is more considerable. |
Pappu Acharya; |
| 558 | Dense Suspension Rheology Beyond Simple Shear Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Despite these breakthroughs, most of this work has focused almost exclusively on dense suspensions undergoing simple shear deformations. In this work, we report on the response of dense suspensions undergoing both extensional and shear deformations simultaneously to observe how these materials behave under conditions that are ubiquitous in nature and industry. |
Michael van der Naald; Heinrich Jaeger; |
| 559 | Uncovering Distinct Contributions to The Stress Relaxation in Soft Solids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We combine experimental rheological tests with the analysis of microscopic stresses, structure, and particle displacements from simulations for different solvent viscosity and sample preparation protocols. |
H. Vinutha; Manon Marchand; Vishwas Vasisht; Marco Caggioni; Emanuela Del Gado; Veronique Trappe; |
| 560 | Active Microrheology of Lyotropic Chromonic Liquid Crystals Using Optical Tweezers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the rheological behavior of lyotropic chromonic liquid crystals in the nematic phase by moving a microparticle and directly measure the force acting on it using laser tweezers. |
Beatrice Lunsford-Poe; Shuang Zhou; Rui Zhang; Zeyang Mou; |
| 561 | Determining Stress Topology from Conventional Experimental Flow Measurements of Viscoelastic Fluids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Through analytical and numerical analyses, we obtain a relationship between the polymeric stress field and the Lagrangian stretching field. |
Arezoo Ardekani; Manish Kumar; Jeffrey Guasto; |
| 562 | Disorder, Dispersion, and Stretching in Viscoelastic Flows Through Porous Media Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Viscoelastic flows through porous media transition from steady to time dependent and chaotic dynamics under critical flow conditions. However, the implications of the … |
Jeffrey Guasto; |
| 563 | Elastic Buckling with Viscous Dissipation: Compression-induced Buckling of An Elastic Film on A Viscous Foundation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For a finite-length film, we develop a shear lag model to describe the evolution of compressive stress in the film prior to buckling. A linear stability analysis of this base solution can describe the wrinkling mechanics, but the appearance of well-spaced ridges is mysterious. |
Sachin Velankar; Xianheng Guan; Nhung Nguyen; Enrique Cerda; Luka Pocivavsek; |
| 564 | Viscoelastic Flow Instabilities in Porous Media Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The reason why has been a puzzle for over half a century. In this talk, I will describe how by directly visualizing the flow in a transparent 3D porous medium, we have experimentally demonstrated that this anomalous increase is due to the onset of an elastic instability in which the flow exhibits chaotic spatiotemporal fluctuations reminiscent of inertial turbulence, despite the vanishingly small Reynolds number. |
Christopher Browne; Sujit Datta; |
| 565 | Memory and Aging Via Coupled Elastic Instabilities in Thin Crumpled Sheets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Crumpling an ordinary thin sheet transforms it into a complex structure with unusual mechanical behaviors, such as enhanced rigidity, emission of crackling noise, slow relaxations, and a range of mechanical memory effects. We describe research focused on understanding these emergent behaviors, reminiscent of those exhibited by glassy systems, and their relation to the geometrical structure of the crumpled sheet. |
Yoav Lahini; Dor Shohat; Yaniv Friedman; Daniel Hexner; |
| 566 | Mechanical Cognition Across Scales Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will review our recent work on mechanical information processing in structures ranging from centimeter scale soft robots to nanometer-sized micromechanical logic gates. |
Marc Serra-Garcia; |
| 567 | Emergent Computing in A Non-Abelian Metamaterial Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: An elastic material that follows the linear laws of elasticity is impervious to the order of actuations due to superposition, severely constraining the design of programmable metamaterials. Here, we introduce a non-Abelian metamaterial sensitive to the sequential ordering of mechanical actuation signals as well as to the magnitude of such actuations. |
Amitesh Singh; Margot Teunisse; Matthieu Labousse; Martin van Hecke; |
| 568 | Controlling Subharmonic Orbits By Coupling Subharmonic Units Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a general bottom-up strategy to realize sequential metamaterials in which the transient and subharmonic response to cyclical driving can be controlled and designed. |
Colin Meulblok; |
| 569 | Competition Between Energy and Dynamics in Memory Formation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will introduce a generalized hysteron model with tunable bi-stability that can serve as a model for understanding memory in systems with inherent dynamics. |
Varda Faghir Hagh; Chloe Lindeman; Chi Ian Ip; Sidney Nagel; |
| 570 | SnapGami: Frustrated Sheets with Controllable Pathways Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we introduce an experimental platform that combines the geometric control of origami with the multistability of frustrated sheets, and which allows (to precisely and reproducibly) control and couple multiple bistable hysteretic elements: snappigami/crumpigami. |
Lishuai Jin; hadrien bense; Martin van Hecke; |
| 571 | Isolating The Enhanced Memory Capacity of A Glassy System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, when frustrated interactions are introduced, a different mechanism takes the place of return-point memory and restores the capacity for multiple values. Our work suggests that this more robust form of memory can be a leading-order signature of frustration. |
Travis Jalowiec; Nathan Keim; |
| 572 | Probing The Role of Frustrated Interactions in Experiments with An Amorphous Solid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report on tests that use asymmetric shear and amplitude variation to clearly distinguish the effects of frustration from return-point memory and noise. |
Zhicheng Wang; Nathan Keim; |
| 573 | Angle of Applied Shear: A New Knob for Probing Rearrangements in Jammed Packings Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For finite strain, we find that individual rearrangements are surprisingly robust to a change in shear angle, sometimes persisting for nearly 90 degrees. |
Chloe Lindeman; Sidney Nagel; |
| 574 | Memory in Aging Colloidal Gels with Time-varying Attraction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a study of gel formation and aging in suspensions of nanocolloidal spheres with a short-range attraction whose strength is tuned by changing temperature (T). |
Yihao Chen; Qingteng Zhang; Subramanian Ramakrishnan; Robert Leheny; |
| 575 | Training Soft Magnetoelastic Nanoparticle Sheets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Later subjecting them to an excess of humidity, we can cause them to recover their initial neutral configuration as well as their initial flexibility. We use molecular dynamics simulations of the nanoparticle sheets to predict the deflected configuration in various applied magnetic fields, and to understand the general magnetoelasticity of this system. |
Edward Esposito; Hector Lopez-Rios; Monica Olvera De La Cruz; Heinrich Jaeger; |
| 576 | Microbial Interaction with Micrometer-scale Wrinkled Surfaces Subjected to Fluid Shear Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigated the effect of micrometer-scale surface wrinkled topographies subjected to fluid shear on the attachment and proliferation of different bacterial species and strains characterized by defined shape (spheroidal Staphylococcus aureus and Enterococcus faecalis, rod-like Pseudomonas aeruginosa and Escherichia coli) and motility (motile, non-motile). |
Luca Pellegrino; Giovanni Savorana; Cristina Belgiovine; Valeriano Vinci; Benedetta Agnelli; Gerardus Janszen; Luca Di Landro; Marco Klinger; Eleonora Secchi; Joao Cabral; Roberto Rusconi; |
| 577 | Nanoscale Porosity in Microellipsoids Controls Interparticle Capillary Attraction and Assembly at Fluid Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To create long-range ordered structures with complex configurations via interfacially trapped anisotropic particles, control over the interparticle interaction energy is necessary. In this presentation, we discuss the synthesis of colloidal ellipsoids with controlled nanoscale surface topography (roughness and porosity) and show how this surface topography attenuates the interparticle capillary attraction at a water-air interface. |
Peter Beltramo; Samuel Trevenen; Heather Hamilton; Anisur Rahman; Alexander Ribbe; Laura Bradley; |
| 578 | 3D Printing of Programmable Self-assembly to Bouligand Nanostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Herein, we combine the "bottom-up" approach with a "top-down" fabrication strategy to program the nanoscale chiral self-assembly of cellulose-based materials in the printed objects. |
MONIROSADAT(Sanaz) SADATI; Mohsen Esmaeili; Kyle George; Sepideh Norouzi; Jeremy Money; Nader Taheri-Qazvini; |
| 579 | Liquid Crystalline Coacervates Composed of Chromonic Mesogens and Polyelectrolytes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report on formation of liquid crystalline (LC) coacervates composed of negatively charged polyaromatic molecules and positively charged homopolyelectrolytes. |
Elizabeth Adeogun; Prateek Verma; Divya Iyer; Samanvaya Srivastava; Karthik Nayani; |
| 580 | Thermodynamics of Volume-spanning Self-assembly in The Squid Eye Lens Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To understand what nature is telling us about realizing volume-spanning self-assembly, we studied the details of the S-crystallin patch geometry and interaction polydispersity on the percolation behavior and material properties of the system. |
Irem Altan; Alison Sweeney; Viola Bauernfeind; |
| 581 | Optimizing Pair Potentials for Efficient Crystallization Kinetics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present an inverse-design algorithm to optimize an isotropic pair potential for kinetically efficient and thermodynamically stable self-assembly of a target crystal structure. |
Sambarta Chatterjee; William Jacobs; |
| 582 | Colloidal Model for The Study of Nucleation and Crystallization from Solution Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study a model colloidal system as an alternative to atomic systems. |
Gary Chen; Peter Vekilov; Jacinta Conrad; |
| 583 | Direct Imaging of A Solid-Solid Phase Transition in Truncated Tetrahedral Colloids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use two-photon lithography to fabricate a subset of polyedral shapes (tetrahedrons and truncated tetrahedrons) that self-assembly on a 2D surface. |
David Doan; John Kulikowski; Wendy Gu; |
| 584 | Probing 2D Phase Separation in Mixed Silica and Gold Nanoparticle Assemblies Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Because the plasmon excitation energy depends on both the properties of individual gold NPs and the location and number of NPs in the ensemble, we can characterize the interparticle distances, degree of ordering, domain size, and structure of the NP assemblies. |
Zachary Fink; Paul Kim; Xuefei Wu; Thomas Russell; |
| 585 | Liquid Crystal-Templated Membranes with Slit-like Pores Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report on the formation of membranes with slit-like pores having aspect ratios ~ 10. |
Homa Ghaiedi; Karthik Nayani; Jude Obijiaku; |
| 586 | Mesostructures and Phase Transition of Imidazolium-based Ionic Liquid Systems for Training Deep Neural Network Algorithm Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Thus, the IL/water mixtures is an excellent platform to produce large data set to train the DNN algorithm. |
Kyungtae Kim; Jacob LaNasa; Darrick Williams; Ben Nebgen; |
| 587 | Modeling Homo- and Heterogeneous Crystal Nucleation from Charged Colloids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we performed molecular dynamics studies on the self-assembly of oppositely charged colloids in implicit water medium. |
Sanjib Paul; Shihao Zhang; stefano sacanna; Glen Hocky; |
| 588 | An STDP-based Encoding Method for Associative and Composite Data Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we propose a practical memory model based on STDP which can store and retrieve high dimensional associative data. |
Hong-Gyu Yoon; Pilwon Kim; |
| 589 | Simulations of Non-equilibrium Processes in Polymer-based Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss my contributions to the field over the years, starting with simulations I performed as a postdoctoral associate in Mark Robbins’ lab. |
Arlette Baljon; |
| 590 | Coarse-grained Molecular Dynamics Simulation of Epoxy Network Polymers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Epoxy as an important type of thermosetting polymers has been widely used as matrix materials in polymer-based composites. To understand the thermomechanical response of such materials, we have developed a coarse-grained model of epoxy network polymers based on EPON resin 862 with diethyltoluenediamine (DETDA) as the curing agent, using a force-matching method coupled with chemistry-informed grouping of atoms into coarse-grained beads, direct Boltzmann inversion, and potential of mean force calculations between atomic groups. |
Xi Hao; Chengyuan Wen; Gary Seidel; Shengfeng Cheng; |
| 591 | Simulation of Polymerization Induced Phase Separation in Model Thermosets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The resin and other crosslinker have low T g. A coarse- grained model is developed with these features and with interaction parameters determined so that for either rubbery crosslinker length, the system is in the liquid state at the cure temperature. |
Mark Stevens; |
| 592 | Computer Simulation of Fatigue Failure in Amorphous Solids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We perform cyclic shear deformation of glasses over a range of strain amplitudes and investigate the dependence of the number of cycles to failure on the amplitude of deformation. |
Srikanth Sastry; Himangsu Bhaumik; Shivakumar Athani; |
| 593 | The Fundamental Physics of The Onset of Frictional Motion: How Does Friction Start? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We experimentally demonstrate that rupture front nucleation is prefaced by slow nucleation fronts. |
Jay Fineberg; |
| 594 | A Nonlocal Contact Model for Adhesive Elastic-plastic Particles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a contact model able to capture the response of interacting adhesive elastic-plastic particles. |
William Zunker; Kenneth Kamrin; |
| 595 | Spontaneous Friction Switches in Structural Superlubricity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present results of atomic force microscopy based sliding experiments performed on gold nanoislands on graphite, a material system that exhibits structural superlubricity under ambient conditions [1]. |
Mehmet Baykara; Wai Oo; |
| 596 | Computational Approaches for Studying The Nucleation of Voids at The Nanoscale Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By means of Replica Exchange Transition Interface Sampling (RETIS) we quantify the void nucleation process by sampling independent phase-space paths. Using this data, we aim to construct non-classical void nucleation theories suitable for far-from-equilibrium metals processing. |
Vicente Munizaga; Michael L. Falk; |
| 597 | Slip Avalanches on A Conical Bead Pile With Cohesion Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we extend the comparison between the experiment and the model to characteristics of individual avalanches, such as avalanche duration and extent on the pile, by using the particle image velocimetry to analyze the avalanche motion. |
Susan Lehman; Karin Dahmen; |
| 598 | Mechanical Response of Particulated Granular Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we employ discrete element method simulations to identify and measure the elastic moduli of all configurations for small numbers of monodisperse, frictionless spheres confined within single voxels with arbitrary shapes. |
Anne Xia; Dong Wang; Jerry Zhang; Mark Shattuck; Corey O’Hern; |
| 599 | Particulated Granular Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we seek granular materials with shear moduli that decrease with increasing pressure even in the large-system limit. |
Dong Wang; Jerry Zhang; Weiwei Jin; Annie Xia; Nidhi Pashine; Rebecca Kramer-Bottiglio; Mark Shattuck; Corey O’Hern; |
| 600 | Probing of The Buckling of Spherical Shells with A Distribution of Imperfections Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the buckling of spherical shells containing a random distribution of defects. |
Arefeh Abbasi; Fani Derveni; Yuexia Lin; Pedro Reis; |
| 601 | Soft Pump Producing A Rapid Flow Using Shell Buckling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, they also had difficulties actuating stiff pneumatic devices and inducing rapid motion. Here, we introduce a soft pump, overcoming these limitations by using the snap-through instability and finely controlling the performance using an electro-active polymer. |
Byungho Lee; Anna Lee; |
| 602 | Real Shells Exhibit A Universal Localized Buckling Mode with Marginal Imperfection Dependence, Part I: Theory and Simulations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We argue that the von Kármán-Donnell equations, accounting for the shells’ underlying geometric defect structure (w 0), are sufficient to predict the dynamics through buckling by comparing their numerical solutions to geometrically non-linear finite-element simulations. |
Marec Serlin; Nicholas Cuccia; Kshitij Yadav; Sagy Lachmann; Symeon Gerasimidis; Shmuel Rubinstein; |
| 603 | Real Shells Exhibit A Universal Localized Buckling Mode with Marginal Imperfection Dependence, Part II: Experimental Results Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We predict the initial buckling location of our imperfect shells, later confirmed with high-speed videography, using numerical solutions to the equilibrium von Kármán-Donnell equations. |
Nicholas Cuccia; Marec Serlin; Kshitij Yadav; Sagy Lachmann; Symeon Gerasimidis; Shmuel Rubinstein; |
| 604 | Investigation of The Buckling Instability in Free Thin-Shell Domes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Tuning the buckling mode and pressure could enhance the gripper’s actuation speed and energy input characteristics. We will present analytical and numerical models used to find the dome’s buckling pressure as a function of its material and geometric properties, such as its slenderness ratio and spherical cap angle. |
Kieran Barvenik; Zachary Coogan; Matteo Pezzulla; Eleonora Tubaldi; |
| 605 | A Wrinkled Cylindrical Shell As A Tunable Locking Material Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use a thin sheet to form a system where the locking behavior is tunable: a cylindrical shell that is subjected to axial compression and twist. |
Pan Dong; Mengfei He; Nathan Keim; Joseph Paulsen; |
| 606 | Simulations of Crumpling Across Confinement Geometries Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Through simulations and comparison to experimental data, we demonstrate that the fragmentation model for crumpling applies to thin sheets crumpled via several different confinement geometries, including radial compression and cylindrical twisting. |
Madelyn Leembruggen; Jovana Andrejevic; Arshad Kudrolli; Chris Rycroft; |
| 607 | Elastic Instabilities and Their Frustrated Interactions Govern The Mechanics of Thin Crumpled Sheets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A thin sheet that has been crumpled many times exhibits a range of fascinating mechanical properties, including enhanced rigidity, intermittent response to continuous drives, crackling sounds spanning many scales in intensity, slow relaxations spanning many scales in time, and perhaps most staggeringly, an ability to retain various forms of memory. We show that these unusual mechanical behaviors, reminiscent of those exhibited by amorphous materials and glassy systems, are the result of the collective dynamics of a large number of mechanical instabilities formed across the sheet during the crumpling process. |
Yoav Lahini; Dor Shohat; Daniel Hexner; |
| 608 | Crumpled Kirigami Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our studies, we focused on identifying the most dominant features creating the rigidity of the crumple. |
Wathsala Amadoru Jayawardana; Zhaofan Li; Yangchao Liao; Wenjie Xia; Andrew Croll; |
| 609 | Effect of Crease Curvature on Structure and Instabilities of The Origami Waterbomb Base Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we explore how further tunability may be accessed by introducing nonzero crease curvature, which causes facets to bend and store elastic strain energy. |
Lucia Stein-Montalvo; Jessica Flores; Sigrid Adriaenssens; |
| 610 | Stress Focusing in Thin Curved Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our experiments, we report the formation of d-cones far from a set of curved, fixed boundaries. |
Eric Roeschlein; Andrew Croll; |
| 611 | Revealing The Self-similarity of Creases in Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: When combined with the panel bending rigidity, we can accurately capture the macroscopic behavior of the creased sheet. |
Yasara Dharmadasa; Francisco Lopez Jimenez; |
| 612 | The Life of A Wrinkle on A Roller Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present preliminary experimental and theoretical results on the nucleation and motion of wrinkles in thin sheets transiting rotating surfaces, a manufacturing-inspired problem. |
Robert Hutton; Madison Shipp; Jerald Brown; James Hanna; |
| 613 | Arrays of Nanometer Thick Buckiling Membranes Used As A Voltage-controllable Reflective Display Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we demonstrate a new approach to reflective displays based on buckling, nanometer-thick actuators. |
David Gonzalez-Medrano; Marc Miskin; Adia Radecka; |
| 614 | On The Shape of Smectic Droplets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we investigate the shape of a smectic droplet—or tactoid—with deformable boundaries, whereby the smectic order competes with the surface tension and anchoring to give a rich variety of morphologies. |
Tim Atherton; |
| 615 | Designing Three-dimensional Disclination Line Architecture in Nematic Liquid Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use photo-alignment to create disclination lines with controlled architecture in nematic liquid crystals. |
Alvin Modin; Biswarup Ash; Robert Leheny; Hillel Aharoni; Francesca Serra; |
| 616 | Algorithmic Approach to Topological Classification and Visualization of Disclination Loops in 3D Nematic Datasets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here I present an algorithmic approach to topological classification of disclination loops, together with an implementation in an open-source visualization software package adapted for nematic director or Q-tensor datasets. |
Daniel Beller; |
| 617 | Effect of Elastic Anisotropy on Dynamics of Pair-annihilating Disclination Lines in Nematic Liquid Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Current experiments in both lyotropic chromonics and mixtures of actin filaments involve highly anisotropic elasticity, with elastic constants differing by orders of magnitude. To understand the motion of disclinations in these elastically anisotropic media we use a Ball and Majumdar singular potential Q-tensor theory to numerically simulate the pair-annihilation of disclination lines. |
Jorge Vinals; Lucas Myers; |
| 618 | Effect of Charge Patterning and Hydrophobicity in Microrheological Properties of Peptide-based Complex Coacervates Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Liquid-liquid phase separation is a developing field for understanding intracellular structure, the genesis of life, and disease. The development of new liquid-based organelles … |
Pankaj Kumar Pandey; |
| 619 | Active Mixing with Quincke Rollers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I describe our efforts to mix fluids with a model active matter: Quincke rollers. |
Cécile Clavaud; Isaac Lenton; Scott Waitukaitis; |
| 620 | Stress-Strain Relaxation in Regions Surrounding An Oil Droplet in A Drying Colloidal Suspension Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This study uses time-lapse confocal fluorescence microscopy to measure drying-induced movements of micron-sized fluorescent tracer particles and deformation of oil droplets in a linear microfluidic channel. |
H Daniel Ou-Yang; Zhiyu Jiang; Megan Valentine; |
| 621 | Using Mechanophores to Study The Mechanical Behavior of Polymers Under High-Strain-Rate Impact Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This study demonstrates mechanophores as a tool for quantifying impact stresses that can help guide materials design for impact mitigation applications such as armor and spacecraft protection. |
Polette Centellas; Edwin Chan; Katherine Evans; Christopher Soles; Sarah Morgan; Yoan Simon; Kyle Mehringer; |
| 622 | Active Hydrodynamic Theory of Chromatin Dynamics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We describe a hydrodynamic model of chromatin and nucleoplasm at micron scales. |
Alex Rautu; Michael Shelley; David Saintillan; Alexandra Zidovska; |
| 623 | Jamming Transitions in Confined Driven Polymer in Solutions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the present work, we study the compression of a confined polymer in a fluid pushed by a large sphere with a diameter comparable to the channel width through the use of lattice-Boltzmann molecular dynamics (LBMD) simulations. |
Setarehalsadat Changizrezaei; Colin Denniston; |
| 624 | Dynamic Covalent Polymer Microspheres Under Supersonic Impact Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we fabricate Diels-Alder polymer (DAP) dynamic microspheres composed of furan-attached prepolymers and bismaleimide crosslinkers and explore their in-situ high-strain-rate-induced deformations. |
Zhen Sang; Svetlana Sukhishvili; Edwin Thomas; |
| 625 | Additively Manufactured Elastomeric Lattices for High Throughput Mechanical Quantification of Thin Glassy Polymeric Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we will discuss a high throughput concept to measure the elastic moduli, plasticity mechanisms and failure strain of thin films. |
Anesia Auguste; Kenya Hazell; Daniel Long; Richard Vaia; Andrew Gillman; Lawrence Drummy; |
| 626 | The Effect of Water Uptake on The Mechanical Behavior of Hybrid Thin Films Fabricated By Sequential Infiltration Synthesis (SIS) Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Hybrid organic-inorganic materials are an exciting subclass of composites due to their unique structures and properties. Control over their mechanical properties is central to … |
Shachar Keren; Cynthia Bukowski; Myounguk Kim; Alfred Crosby; Noy Cohen; Tamar Segal-Peretz; |
| 627 | Effective Sliding Friction of Lubricated Soft Patterned Surfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we develop a modeling framework for the lubricated contact of locally patterned but globally flat surfaces. |
Arash Kargar-Estahbanati; Bhargav Rallabandi; |
| 628 | Evaluating The Influence of Twisted Structure on Mechanical Properties of Biopolymer Films Using LIPIT Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this contribution, we study the relationship between liquid crystal structure and mechanical properties of CNCs/ChNCs films at the micro and nanoscales. |
Rebecca (Sujin) Lee; |
| 629 | Constructive Frustration : From A Flower to Auto-morphing Architecture Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The theory of incompatible sheets describes the emergence of form and motion in matter, resulting from intrinsic material properties through stress-induced processes. |
arielle blonder; Ofri Dar; Shira Shoval; Eran Sharon; |
| 630 | Behind The Interface and Beyond Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: As inner fluid approaches the interface, and as the outer fluid is approached by the interface, we observe local variation in the fluid velocity along a finger protrusion and in an adjacent valley resulting in the deformation of dyed fluid rings. |
Savannah Gowen; |
| 631 | Morphomechanical Rods: From Fabrication to Function Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we take lessons from thin-film manufacturing, insect wings, and traditional bead-weaving to fabricate rods with reversible shape, size, and stiffness. We study the critical ingredients that enable programming these rods’ properties. |
Trevor Jones; Etienne Jambon-Puillet; Joel Marthelot; Lauren Dreier; Richard Huang; Pierre-Thomas Brun; |
| 632 | Bending Plateau’s Laws: Equilibrium Shape of An Elastic Ribbon in A 2D Bubble Column Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We focus on the so-called “staircase” structure where bubbles of equal volume are rearranged in a staggered pattern. |
Manon Jouanlanne; Antoine Egelé; Damien Favier; Wiebke Drenckhan; Jean Farago; Aurélie Hourlier-Fargette; |
| 633 | Keeping An Eye on Flowing Liquid Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have established novel strategies to control the growth morphology of the viscous-fingering instability, which occurs as a less viscous fluid displaces a more viscous one in the thin gap between two parallel plates. |
Qing Zhang; Weiqiang WANG; Shuang Zhou; Rui Zhang; Irmgard Bischofberger; |
| 634 | A Theory of High-Temperature Arrhenius Relaxation in Two-Dimensional Glass-forming Liquids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Below $T_o$, one may invoke dynamical facilitation theory to understand dynamics via spatially localized excitations, which drive relaxation through the facilitation of nearby excitations. In this talk, we discuss a theory for Arrhenius relaxation above $T_o$, where excitations emerge without facilitation as localized pure-shear events [1]. |
Muhammad Hasyim; Kranthi Mandadapu; |
| 635 | A Microscopic Theory of An Equation of Thixotropy from The Dynamics of Stress Distributions in Soft Particle Glasses Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We hypothesize that the rheology of SPGs is sensitive to the applied shear rate and shear history which manifest in the different microscopic rearrangements of individual particles and their contribution to the total stress. |
Minaspi Bantawa; Roger T. Bonnecaze; |
| 636 | Excitation-facilitated Hops Play A Dominant Role in Relaxation and Transport of Liquids Even Above TA Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using commonly employed methods to identify hops in real space, they are not evident at high temperatures (above T A), where relaxation follows an Arrhenius law, and are thus thought to be unimportant above this temperature. Employing reciprocal space analysis through the intermediate scattering function we not only identify excitations and hops above T A, we show that they are also a central relaxation and transport pathway in this high-temperature range. |
Marcus Cicerone; Jesse McDaniel; |
| 637 | The Advantage of A Structural Channel in The Dynamical Response of Elastoplastic Models Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Because predicting soft spots from the structure of the material has been widely successful, the Structuro-Elasto-Plasticity Model (StEP) was created to include a separate structural channel for the likelihood of cells to rearrange. |
Robert Dennis; Andrea Liu; M. Lisa Manning; |
| 638 | Inherent-State Melting and The Onset of Glassy Dynamics in Two-Dimensional Supercooled Liquids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we construct a theory for the onset temperature in two dimensions [2] and find that a binding-unbinding transition of dipolar elastic excitations, analogous to the Kosterlitz-Thouless-Halperin-Nelson-Young (KTHNY) theory, describes the transition from the supercooled regime to the high-temperature one. |
Dimitrios Fraggedakis; Muhammad Hasyim; Kranthi Mandadapu; |
| 639 | Elasticity and Criticality in Pruned Prestressed Disordered Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that the response to pruning is altered completely and that the degree of tunability is highly influenced by the nature of the prestress. |
Marco Aurelio Galvani Cunha; John Crocker; Andrea Liu; |
| 640 | The Surprising Utility of Excess Entropy in The Study of Supercooled Liquids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we analyze a variety of binary Lennard-Jones mixtures to explore the utility of excess entropy in the supercooled regime. |
Ian Graham; Paulo Arratia; Robert Riggleman; |
| 641 | Random Close Packing Is Least Random in 3D Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We confirm mean field exponents for d≥4 through analysis of the fraction of active states and the distribution of interparticle gaps. |
Ashley Guo; Sam Wilken; Dov Levine; Paul Chaikin; |
| 642 | Ultrastable States in Jammed Packings: Characterization and Construction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A recent focus has been on the detection and characterization of structures with unusual, exceptional properties such as strongly enhanced stability with respect to imposed strain. In simulations of overjammed polydisperse 2D packings of soft disks, we identify such rare, ultrastable states via an order parameter that quantifies the closeness of the structure to a sterically optimal packing, simultaneously correlating these states with low-energy inherent structures. |
Sascha Hilgenfeldt; Sangwoo Kim; |
| 643 | Mobile-particle Clusters in Supercooled Liquids Become Increasingly Noncompact As Spatial Dimension Increases Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Dynamical heterogeneity has been directly associated with mobile-particle clusters (MPCs) composed of subclusters undergoing cooperative particle exchange in the form of … |
Robert Hoy; Cory Brown; Jack Douglas; |
| 644 | Viscosity and Elementary Excitations in Molecular Liquids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Previous studies on simple liquid metals showed that at high temperatures an elementary excitation, defined by a creation or annihilation of atomic bonds, determines the Maxwell relaxation time, that is, the viscosity divided by high frequency shear modulus. In this study, we report an extension of this concept to more complex molecular liquids, in which molecules consists of several atoms, and show similarities and differences between simple liquids and molecular liquids, including liquid silica, water, and silicon. |
Takuya Iwashita; Bin Wu; |
| 645 | Entanglement in Filamentous Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Packings of high aspect ratio filaments can form an effectively cohesive structure by virtue of entanglements driven by frictional and steric effects – e.g. a bird’s nest. But how can we define and quantify entanglement and its role in such systems? |
Yeonsu Jung; Thomas Plumb-Reyes; Hao-Yu Lin; L Mahadevan; |
| 646 | Disordered Bimodal Sphere Packings Achieve Higher Packing Fractions Than Their Binary and Monomodal Counterparts Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use the Torquato-Jiao linear-programming packing algorithm [1] to produce strictly jammed isostatic disordered sphere packings with radius distributions given by the combination of two truncated Gaussian distributions with mean ratios α between 0.45 and 0.125 and individual-mode δ up to 0.7. |
Charles Maher; Salvatore Torquato; Adam Hopkins; |
| 647 | Visualizing Failure in Arrested Hard and Sticky Spheres Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This makes it rather hard to understand, for example, mechanical failure. Here we introduce a new colloidal model system to address this challenge by studying the contacts and the forces between particles, as well as their positions. |
Paddy Royall; |
| 648 | Navigating Fractal Canyons in Glassy Energy Landscapes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Glass-forming systems exhibit puzzling physical and phenomenological properties, which can be directly attributed to the complex structure of their energy landscapes. In our recent study [1], we presented a modified metadynamics algorithm (MIMSE) that efficiently explores and samples low-energy regions of such high-dimensional landscapes. |
Amruthesh Thirumalaiswamy; Robert Riggleman; John Crocker; |
| 649 | Exploring Hydrodynamic Effects in Colloidal Self-assembly Using Multiparticle Collision Dynamics (MPCD) Simulations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we explore crystallite nucleation, growth and dissolution by multiparticle collision dynamics (MPCD) [5] coupled with molecular dynamics via a discrete particle model (DP) [6]. |
Ying-Shuo Peng; Talid Sinno; |
| 650 | Coiled Coil Peptide ‘bundlemers’: Model Nanoparticles for Electrostatically-driven Interparticle Assembly Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, highly ordered nanostructures were observed in the presence of particular multivalent couterions in solutions of specifically charged bundlemers. |
Yi Shi; Rui Guo; Christopher Kloxin; Jeffrey Saven; Darrin Pochan; |
| 651 | Single Molecule Magnet and Magnetic Tunnel Junction-based Molecular Spintronics Devices: A Method of Harnessing Exotic Properties of Molecular Nanostructure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk will show that an MTJMSD evolves when molecules are bridged along the exposed side edges of a tunnel junctio. |
Pawan Tyagi; Andrew Grizzle; Eva Mutunga; |
| 652 | Leveraging Curvature to Drive Non-Trivial Corona Morphologies for Anisotropic Particles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We focus our study on designing ligand-grafted nanoparticles that are experimentally realizable today but whose synthesis and assembly have not yet been reported. |
Tommy Waltmann; Thi Vo; Sharon Glotzer; |
| 653 | Tunable Colloids with Dipolar and Depletion Interactions: Towards Field-switchable Crystals and Gels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we report on confocal microscopy experiments [1] that employ an electric field to provide fine, tunable control over depletion gels by inducing anisotropic dipolar interactions which can be controlled in amplitude or switched on and off. |
Anand Yethiraj; |
| 654 | Many-Body Potential for Simulating Self-Assembly of Polymer-Grafted Nanoparticles in A Polymer Matrix Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we introduce a general machine learning (ML) approach to develop an analytical three-body potential that can describe the many-body interactions between polymer-grafted NPs in a polymer matrix. |
Yilong Zhou; Sigbjørn Bore; Francesco Paesani; Gaurav Arya; |
| 655 | Capitalizing on Aggregation to Chaperon NPs Across Fluid Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we take advantage of the aggregation to realize a ligand-induced NP transfer. |
Yuchen Fu; Yu CHAI; Thomas Russell; |
| 656 | Annular Patches Leading to The Formation of Spherical Shell and Icosahedral Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we have proposed a simple potential, leading to the formation of mono-dispersed spherically closed shell, with tuned sizes. |
VIKKI VARMA; |
| 657 | Self-assembly of Polymers at The Interface Between Two Poor Solvents Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show that polymers can spontaneously assemble at an interface between two poor solvents with the help of a good solvent. |
Sai ZHAO; Yu CHAI; Yao Liu; |
| 658 | Organic Field Effect Transistors (OFETs) Fabricated from Phenothiazine-TCNQ Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Charge transfer cocrystals were successfully grown using this method to form a neat arrangement of ribbons that were readily integrated with metal electrodes to create organic field-effect transistors for electronic measurements. |
Yuri Chung; |
| 659 | Cyclic and Constant Shear SeSP-Doped Disk Packings Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore constant and cyclic simple shear of quasi-2-dimensional packings of disks and SeSPs in an annular-planar Couette cell. |
John Ryan; |
| 660 | Effective Viscosity and Force Moments of A Hot Particles Suspension Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We go on to present corrections for Faxen’s Laws for hot spheres in the case of a linear external flow and discover non-trivial coupling due to the temperature distribution. |
Osher Arbib; |
| 661 | Refinement of Training Schemes for Machine-Learning Interatomic Potentials and Its Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: It plays a role in suppressing the extra heat flux generated by the arbitrariness. In the talk, I will discuss the recent progress in the development of MLIP training scheme and its applications. |
Kohei Shimamura; |
| 662 | Benchmarking Machine-learned Interatomic Potential Methods for Reactive Molecular Dynamics at Metal Surfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we compare different families of MLIPs, from atomic cluster expansion (ACE), invariant DNN-based SchNet to novel equivariant neural networks such as PaiNN and MACE on the example of reactive molecular hydrogen scattering on copper. |
Wojciech Stark; Julia Westermayr; Cas van der Oord; Gabor Csanyi; Reinhard Maurer; |
| 663 | Fast and Scalable Uncertainty Estimates in Deep Learning Interatomic Potentials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this project, we propose a method to estimate predictive uncertainty using only a single neural network along with a computationally-inexpensive Gaussian Mixture Model, eliminating the need for an ensemble. |
Albert Zhu; Simon Batzner; Albert Musaelian; Boris Kozinsky; |
| 664 | Predicting Vapor-Liquid Equilibria and Phase Transitions with Machine-Learned Interatomic Potentials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The present work has trained state-of-the-art ML-IAPs (SNAP, POD, Allegro) for Al over a wide range of phase regimes (0.2-3.0 and 933-10,000 ) that are challenging to model with any other simulation method. We demonstrate the efficiency of these atomic representations by reaching quantum-mechanical accuracy in small dataset and then perform large-scale molecular dynamics simulations to predict the vapor-liquid phase equilibrium and the critical point. |
Mitchell Wood; Normand Modine; Dionysios Sema; Ember Sikorski; Stan Moore; Nicolas Hadjiconstantinou; |
| 665 | Numerical Modeling of Hydrogen Absorption in Metal Hydrides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present preliminary results to evaluate the accuracy and speedup enabled by this approach. |
Olivier Nadeau; Gabriel Antonius; |
| 666 | Chain Flexibility Effect on Complex Coacervate Core Micelles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we investigated the structure of C3Ms formed by mixing of block copolyelectrolytes having different lengths characterized by dynamic light scattering (DLS) and small angle X-ray scattering (SAXS) measurements. |
Taeyoung Heo; SooHyung Choi; |
| 667 | Surface Layer Adsorption and Bulk Association of Mucins in Human Airway Mucus Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The airway surface layer lines the respiratory tract, simultaneously trapping inhaled particulates and facilitating their removal from the lung. Secreted gel-forming mucins, which … |
Scott Danielsen; Michael Rubinstein; |
| 668 | Membrane-mediated Interactions Between Deformable Nanoparticles on Membranes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we use computer simulations to investigate the interactions between deformable, hinge-like nanostructures and lipid membranes. |
Nikhil Nambiar; Steven Abel; |
| 669 | Relaxational Dynamics of The Size Interconversion of Virus Capsids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We apply a simple relaxational model that ignores the impact of any nucleation barriers, and finds a reasonable agreement between theory and experiment with a minimal number of adjustable parameters. |
Alexander Clark; Paul Van der Schoot; Roya Zandi; |
| 670 | Thermal Stability and Secondary Aggregation in Geometrically-frustrated Assembly Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We here consider a simple model of a frustrated 1D incommensurate chain at finite temperature. |
Michael Wang; Gregory Grason; |
| 671 | Biophysical Modeling of SARS-CoV-2 Assembly: Genome Condensation and Budding Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we develop a model to explore the mechanisms of RNA condensation by structural proteins, protein oligomerization and cellular membrane–protein interactions that control the budding process and the ultimate virus structure. |
Siyu Li; Roya Zandi; |
| 672 | Impact of Cross-linking on The Structural and Interfacial Properties of Surfactant Micelles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Structural analysis shows that pure tyloxapol systems are relatively spherical in shape and become more aspherical by replacing tyloxapol molecules with a corresponding number of Triton X-100 monomers. |
Hrachya Ishkhanyan; |
| 673 | Aggregation Vs. Condensation in A Lattice Model of Geometrically Frustrated Assembly Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We consider a minimal lattice model of geometrically frustrated assembly and use it to study the statistical mechanics of GFA at variable temperature and concentration. In this talk, we focus on how these systems can escape this size limitation via a condensation transition to a macroscopic bulk phase that is characterized by a finite density of topological defects. |
Nicholas Hackney; Chris Amey; Gregory Grason; |
| 674 | High-precision Measurement and Inference of Short-ranged Colloidal Interactions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate an alternative method based on holographic microscopy and Bayesian inference. |
Caroline Martin; Solomon Barkley; Lev Bershadsky; Ella King; Michael Brenner; Vinothan Manoharan; |
| 675 | End-to-end Base Stacking Drives Liquid Crystalline Phase Formation in "gapped" DNA Constructs Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By performing SAXS/WAXS measurements for temperatures in the range of 5 to 65°C, we determined the thermal melting temperature ( Tm) of the end-to-end and side-by-side interactions that stabilize the positional order for DNA constructs, which differ in their terminal base pairs (AT-AT, AT-GC, or GC-GC) but are otherwise identical. We report remarkable variations in thermal stability (up to 25 °C shift in Tm) of these interactions, and the accompanying smectic order, due to these single base-pair alterations. |
Sineth Kodikara; Prabesh Gyawali; Hamza Balci; Samuel Sprunt; |
| 676 | Dynamically Tuning The Membrane Lipid Composition Can Control Macromolecular Assembly Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use computational modeling to quantify how macromolecular self-assembly can be dynamically tuned via the composition of the plasma membrane and protein stoichiometry. |
Jonathan Fischer; |
| 677 | The Role of Inter-particle Cohesive Stiffness in Determining The Size and Nature of Self-limiting, Geometrically-frustrated Assemblies Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recently, the “curvamer” model was introduced to study self-limitation in 1D stacks of deformable, shell-like particles, where an elastic energy emerges from bending costs in stacks of uniformly spaced particles. |
Kyle Sullivan; Nabila Tanjeem; Montana Minnis; Ryan Hayward; Gregory Grason; |
| 678 | Frustrated Self-Assembly of Hyperbolic Crystals from Icosahedral Nanoparticles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present an analytical theory of icosahedral NP self-assembly based on the non-Euclidean crystal {3,5,3} in 3-hyperbolic space. |
Nan Cheng; Kai Sun; Xiaoming Mao; |
| 679 | Controlled 2D and 3D Self-assembly of Short Fibers for Additive Manufacturing Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present an inexpensive method of aligning and consolidating short fibers into different shapes, such as discs, spheres, triangles, and needles. |
Thamires Lima; Zachary Hinton; Clayton Francis; Nicolas Alvarez; |
| 680 | Interplay Between Topology and Confinement in Active Polymers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For example, a coil-to-globule-like transition takes place for isolated active chains in three dimension, highlighted by a marked change of the scaling exponent of the gyration radius[1]. Driven by the relevance of confinement and topology on the structural and dynamical properties of passive systems, we investigate the interplay between these latter and activity for tangentially active polymers. |
Emanuele Locatelli; |
| 681 | Ultrafast Reversible Self-assembly of Living Tangled Matter Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Combining ultrasound imaging, theoretical analysis and simulations, we develop and validate a mechanistic model that explains how the kinematics of individual active filaments determines their emergent collective topological dynamics. |
Vishal Patil; Harry Tuazon; Emily Kaufman; Tuhin Chakrabortty; David Qin; Jorn Dunkel; Saad Bhamla; |
| 682 | Navigating Disordered Landscapes with Touch: Lessons from Blackworms Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In a regime where the passage width is greater than the worm width, the frequency with which the worm’s head locates the passage is found to increase rapidly before essentially becoming constant with increasing width. We discuss this crossover in terms of the time scale and distance over which the head loses contact with the boundary. |
Arshad Kudrolli; Animesh Biswas; |
| 683 | Tunable Stiffness Exhibited in Entangled Collectives of Aquatic Worms and Biomimetic Soft Robots Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The California blackworm (Lumbriculus variegatus) is an aquatic worm that forms aggregate structures called worm blobs by twisting their slender bodies around other worms of its … |
Ishant Tiwari; Harry Tuazon; Junghan Kwon; Robert Wood; Justin Werfel; Saad Bhamla; |
| 684 | Aggregation of Entangled Active Polymers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using computer simulation that employs a three-dimensional model for entangled active polymer, we study the individual dynamics of the polymer and the aggregation mechanism. |
Saad Bhamla; Prathyusha K R; |
| 685 | Chromatographic Separation of Active Polymer-like Worm Mixtures By Contour Length and Activity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate if mixtures of active polymers can be separated in a similar manner based on their activity. |
Antoine Deblais; Tess Heeremans; Daniel Bonn; Sander Woutersen; |
| 686 | Relating The Steady States of 3D Dry Active Nematics to Microscopic Parameters Through Particle-based Simulations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we perform large-scale particle-based simulations of 3D dry active nematic filaments to understand the connection between microscopic simulation parameters, such as the bending stiffness and active force amplitude, and the emergent coarse-grained parameters. |
Yingyou Ma; Michael Hagan; Aparna Baskaran; Chris Amey; |
| 687 | Reorientation Dynamics in Simulated Pair-interactions of Flexible, Penetrable, Active Filaments Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recent gliding assay experiments on microtubules and actin show that long-range ordered (LRO) active nematic phases of self-propelled filaments can emerge through a combination of collision-induced alignment and crossover events. To gain understanding about how this LRO arises from microscopic interactions, we employ Brownian dynamics simulations of flexible, self-propelled bead-spring chains with a finite energetic penalty for overlap, which permits crossovers when the incident angle of collision is sufficiently large. |
Nathan Prouse; Madhuvanthi Athani; Julian Davis; Patrick Noerr; Niranjan Sarpangala; Ajay Gopinathan; Kinjal Dasbiswas; Daniel Beller; |
| 688 | Microtubules in Elastic Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the motion of gliding microtubules in 3D networks. |
Isabel Ruffin; Zvonimir Dogic; |
| 689 | Conformational Dynamics of A Flexible Polymer in A Confined Active Fluid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work demonstrates how interactions between active and passive structures can lead to large-scale organization in a general setting. |
Scott Weady; David Stein; Michael Shelley; Alexandra Zidovska; |
| 690 | Asters, Bilayers and Foams in Coarse-grained Model of Active Filament Interactions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a microscopic model for motor-mediated filament-filament interactions and rigorously derive a continuum theory for the system. |
Filippo De Luca; Ivan Maryshev; Erwin Frey; |
| 691 | Mesoscale Polymer Ribbon Arrays: Biofilm-Inspired, Flexible, Fibrillar Adhesives Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Biofilm formation and surface fouling cause many problems in aqueous environments. Thin, filamentous pili are one of the many tools leveraged by bacteria to adhere to numerous … |
Demi Moed; Alfred Crosby; |
| 692 | Active Foams Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These disordered cellular solids are always out of equilibrium – the edges constituting the foam appear and disappear, changing the morphology and topology of the whole network. Here we introduce a classification of such structures based on the dominating orientational order. |
Ivan Maryshev; Filippo De Luca; Erwin Frey; |
| 693 | Enhanced Functionality Through Dynamic Effects of Magneto Rheological Elastomers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate an experimental system to explore the dynamic response of an MRE beam under oscillatory magnetic driving. We characterize the dynamics of the structure, including its damping characteristics, as a function of the driving parameters. |
Eduardo Gutierrez-Prieto; Pedro Reis; Yuexia Luna Lin; Milena Markovik; |
| 694 | Bioinspired Soft Metamaterials for Soft Robotic Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study a soft metamaterial that undergoes a global pattern reconfiguration due to buckling instability upon inflation. |
Anthony Jones; Eleonora Tubaldi; |
| 695 | Snap Ori-kirigami of Inflatable Actuators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a simple, versatile mechanism for soft inflatable actuators with reversible modularity stimulated by pneumatic snap-through of bistable shells. |
Ji-Sung Park; Kanghyun Ki; Anna Lee; Ho-Young Kim; |
| 696 | Shape Morphing Soft Membranes Via Machine Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, a simple and efficient platform is presented to design pre-programmed 3D shapes starting from 2D planar composite membranes. |
Antonio Elia Forte; Paul Hanakata; Lishuai Jin; Emilia Zari; Ahmad Zareei; Matheus Fernandes; Laura Sumner; Jonathan Alvarez; Katia Bertoldi; |
| 697 | Elastic Instability Enabled Shape-morphing Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Many morphing metamaterials lack the ability to be reprogrammed; we introduce a class of soft morphable metamaterials in which the state of the system can be programmed by exploiting the bistability of an elastic element. |
Mingchao Liu; Lucie Domino; Matteo Taffetani; Dominic Vella; |
| 698 | Morphing Architecture with Controll of Both Metric and Curvature Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we develop a versatile technique based on consumer-grade materials assembled in a flat panel, which can be designed to to program both metric and curvature. |
Tian Gao; José Bico; Benoit Roman; |
| 699 | Embodying Complex Deformation in Soft Robots Via The Buckling of Elastomeric Shells Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show that by carefully controlling the geometry of thin-walled cylindrical shells, distinct deformations emerge during post-buckling such as contraction, twisting, and bending. |
David Melancon; Yi Yang; Katia Bertoldi; Ahmad Zareei; Antonio Forte; |
| 700 | Ultra-fast, Programmable, and Electronics-free Soft Robots Enabled By Snapping Metacaps Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, most of them have limited actuation speeds, require complex control systems, and lack sensing capabilities. To address these challenges, here we geometrically design a class of metacaps whose rich nonlinear mechanical behaviors can be harnessed to create soft robots with unprecedented functionalities. |
Lishuai Jin; Yueying Yang; Shu Yang; |
| 701 | High-level Synthesis of Soft Robotic Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we design elastic structures that execute arbitrary algorithms. |
Parisa Omidvar; Marc Serra-Garcia; Paolo Tiso; |
| 702 | Fluidic Memory and Sensing for Autonomous Soft Robots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use a soft hysteretic valve to cyclically actuate a soft robotic limb. |
Alberto Comoretto; Johannes Overvelde; |
| 703 | Integrated Mechanologics for Autonomous Soft Machines Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Building upon previous works of mechanical signal transmission systems (through transition waves) and mechanical binary computation, we present a strategy for building an unconventional class of mechanical computational intelligence, which provides a seamless interface with mechanical environments for autonomous soft machines. |
Aniket Pal; Junghwan Byun; Jongkuk Ko; Metin Sitti; |
| 704 | From Mindless Active Particles to Buckling-mediated Intelligent Robots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work presents a simple but adaptable mode of physical intelligence. |
Richard Huang; Trevor Jones; Pierre-Thomas Brun; |
| 705 | The Fluidic Memristor: Collective Phenomena in Flow Networks of Negative Differential Resistance Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In some cases, it can even present regions of negative differential resistance, where the flow decreases as the pressure difference increases. Inspired by these systems, we have proposed a mathematical model for nonlinear flow networks of any topology, it includes nonlinear resitors and allows for internal accumulation/depletion of volume [1]. |
Miguel Ruiz Garcia; Alejandro Martinez-Calvo; Matthew Biviano; Anneline Christensen; Eleni Katifori; Kaare Hartvig Jensen; |
| 706 | Metafluids – Harnessing Thick Shell Instability to Program Fluids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Inspired by mechanical metamaterials, we introduce the concept of a metafluid – a fluid where the mechanical response is programmed via embedded highly deformable elastic elements. |
Benjamin Gorissen; Adel Djellouli; Bert Van Raemdonck; Yang Wang; Yi Yang; Shmuel Rubinstein; David Weitz; Katia Bertoldi; |
| 707 | A Metafluid with Multistable Thermodynamic Properties Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the properties of a suspension composed of a multitude of lubricated multistable capsules (structures capable of transforming between different equilibrium deformation patterns) enclosing a compressible gas and immersed within another fluid. |
Amir Gat; |
| 708 | Force Manipulation Across A Textile Metamaterial Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, this process typically leads to form fitting textiles that are difficult to don and doff. To solve this problem, we develop strategies to identify periodic textile metamaterials capable of manipulating internal forces directly. |
David Farrell; Connor McCann; Antonio Elia Forte; Reza Sourki; Conor Walsh; Katia Bertoldi; |
| 709 | Diffusiophoresis: Size Segregation During Drying of Mixed-sized Colloidal Suspension Confined Between A Thin Gap Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Particle size-segregation during drying of mixed-sized colloidal suspension has been attributed to diffusiophoresis – migration of large particles in the concentration gradient of … |
Zhiyu Jiang; Jean Baptiste Salmon; H Daniel Ou-Yang; |
| 710 | Engineering Light Transport in Disordered Soft Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use a Monte Carlo simulation to model the transport of light through disordered soft materials with embedded absorber. |
Jennifer McGuire; Anna Stephenson; Ming Xiao; Victoria Hwang; Vinothan Manoharan; |
| 711 | Particulated Granular Metamaterials with Tunable Elastic Moduli Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we show that we can create granular metamaterials with bulk moduli that are up to three orders of magnitude larger than their shear moduli. |
Nidhi Pashine; Dong Wang; Jerry Zhang; Sree Kalyan Patiballa; Sven Witthaus; Mark Shattuck; Corey O’Hern; Rebecca Kramer-Bottiglio; |
| 712 | Crimped Fiber Composites: Mechanics of A Finite-length Crimped Fiber Embedded in A Soft Matrix Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we study the fundamental mechanics of stress transfer between a single crimped fiber and the embedding matrix subjected to tensile strain. |
Nandan Pitre; Sachin Velankar; |
| 713 | A "mechanism-gradient" Elasitic Theory for Planar Kirigam Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we describe a "mechanism-gradient" theory that captures one-source of elasticity in planar kirigami (a model system for mechanism-based metamaterials). |
Paul Plucinsky; Ian Tobasco; |
| 714 | A Generalized Continuum Elasticity Theory for Mechanical Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore a simple continuum framework for the mechanics of a thin, metamaterial sheet in which a scalar field, coupled to the reference metric, captures the soft in-plane deformation of the material. |
Sourav Roy; Michael Wang; Gregory Grason; Christian Santangelo; |
| 715 | Signatures of Emerging Order in Complex Structures Via Local Structural Analysis Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Molecular dynamics simulations of self-assembling, idealized particles performed using multi-well, isotropic pair potentials, allow us to explore this question more comprehensively by simulating the growth of structures with varying complexities and coordination numbers [1]. We study this fluid-to-crystal phase transition using two complementary techniques: coordination number analysis coupled with a machine-learning based order parameter [2] that uses spherical harmonics to describe and classify particles by their local environment, and can distinguish crystalline sites of the same coordination number by their differing local geometries. |
Maya Martirossyan; Matthew Spellings; Hillary Pan; Julia Dshemuchadse; |
| 716 | Structure and Dynamics Simulations of Magnetically Responsive Particle-stabilized Emulsion Gels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present lattice Boltzmann simulations of emulsion gels stabilized by anistropic particles. |
Ulf Schiller; Nikhil Karthikeyan; Erin O’Neill; James Andrews; |
| 717 | Fast Hyperuniform Structure Generation with Tunable K-space Features Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce a quasilinear-time structural optimization algorithm capable of generating large (N > 200,000) two- and three-dimensional hyperuniform structures significantly faster than previous approaches. |
Aaron Shih; Mathias Casiulis; Stefano Martiniani; |
| 718 | Modulating Thermocapillary Flow Using Light for Logic Operation at The Air-water Interface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present an example of precisely designing collective particle movement by modulating the surface tension through spatiotemporal control of light intensity. |
Nabila Tanjeem; Kendra Kreienbrink; Hyunki Kim; Ryan Hayward; |
| 719 | Design and Fabrication of Disordered Macroporous Photonic Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will discuss the use of soft-materials fabrication methods such as emulsion and colloidal templating to make inverse photonic glasses with a wide range of matrix chemistries. |
Audrey von Raesfeld; Jennifer McGuire; Anna Stephenson; Vinothan Manoharan; |
| 720 | Colloidal Two-Dimensional Quantum Shells Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The development of spherically-layered semiconductor nanoparticles (colloidal quantum wells) is a promising innovation for the future of laser diodes. Traditional devices … |
Mikhail Zamkov; |
| 721 | Scattering Cancellation and Radiation Torque and Forces Via Spinning Media Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will discuss our recent findings on physics of acoustic propagation in spinning fluids. |
Mohamed Farhat; Sebastien Guenneau; Ying Wu; |
| 722 | Acoustic Spinning Fibers: A New Avenue Towards Airborne Nonreciprocal Waveguiding Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we report a radically novel approach for acoustic waveguiding, which relies solely on spinning air, i.e., without material modulation. |
Mohamed Farhat; Pai-Yen Chen; Ying Wu; |
| 723 | Active Material Design for Mechanically-Robust, Efficient Polymer Solar Cells Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Considering the technical standards ( e.g., mechanical robustness) required for wearable electronics, which are promising application platforms for organic solar cells, the … |
Bumjoon Kim; |
| 724 | Radical Polymer-based Mixed Conductors and Their Application to Bioelectronic Ocular Sensors Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Optoelectronically active polymers have made critical inroads in many solid-state electronic devices (e.g., organic field-effect transistors), and excitingly, macromolecules … |
Bryan Boudouris; Ho Joong Kim; |
| 725 | Evidence of Pure Spin-current and First Organic Spin-Valve Based on Non-conjugated Radical Polymer Glass Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Specifically, our effort demonstrates the coupled materials and device characterizations that are necessary to establish the fundamental structure-function des |
Hamas Tahir; Carsten Flores-Hansen; Sheng-Ning Hsu; Zihao Liang; Neil Dilley; Brett Savoie; Bryan Boudouris; |
| 726 | Local Chemical Enhancement and Gating of Organic Mixed Ionic-electronic Transport Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we demonstrate that hydrophilic molecules local to an interfacial OMIEC nanochannel can accelerate ion transport with record ion mobilities surpassing electrophoretic transport by more than an order of magnitude. |
Brian Collins; Tamanna Khan; Terry McAfee; Awwad Alotaibi; Thomas Ferron; |
| 727 | Impact of Molecular Weight and Size Distribution on The Performance of PEDOT:PSS in Organic Electrochemical Transistors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, I will share how we used controlled radical polymerization to synthesize PSS with precise molecular weights and dispersity to establish their effect on the performance of PEDOT:PSS in OECTs [Lo et al. |
Laure Kayser; |
| 728 | Investigating Mass and Charge Transport in Organic Electrochemical Transistors for Use As Explosives Sensors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Investigating Mass and Charge Transport in Organic Electrochemical Transistors for Use as Explosives Sensors. |
Aaron Woeppel; Bryan Boudouris; Stephen Beaudoin; |
| 729 | Water-processed Dielectric Layer for Eco-friendly High Performance Organic Thin Film Transistors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, an organic thin film transistor with a dielectric layer was made using a substance known as gum arabic (GA). |
Mi Ri Nae Lee; Yongju Lee; SWARUP BISWAS; Hyeok Kim; |
| 730 | Extending The Measurement of Domain Purity in Organic Photovoltaic Blends Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation we will describe our efforts to deconvolute contributions from compositional heterogeneity and orientational heterogeneity in the RSoXS phase purity measurment. |
Peter Dudenas; Yilei Wu; Sebastian Scneider; Christina Cheng; Michael Toney; Alberto Salleo; Zhenan Bao; Dean DeLongchamp; |
| 731 | Using Discotic Liquid Crystals to Prepare Biaxially Textured Organic Semiconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report here a facile new method to create biaxially textured crystals of organic semiconductors by directing the self-assembly of the precursor discotic liquid crystalline phase. |
Kushal Bagchi; Tadej Emersic; Zhongyang Wang; Wen Chen; Juan De Pablo; Paul Nealey; |
| 732 | A Circuit Model Approach for Donor Acceptor Solar Cells Exhibiting Disorder Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a new equivalent circuit for the dark IV curves of bilayer organic solar cells, which can accurately fit the IV curve across the entire voltage range, from low voltage through values substantially higher than open circuit. |
Cassandra Bogh; Ayla Osgood; Kathleen Smith; Xinrui Zhu; Benjamin Zank; Dhandapani Venkataraman; Roderick MacKenzie; Katherine Aidala; Alexi Arango; |
| 733 | Carrier Screening of Dopant Coulomb Interactions in Organic Electronics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study refines the understanding of fundamental processes in doped polymers and enable their easier engineering for electronic, thermoelectric, and photovoltaic applications. |
Zlatan Aksamija; Muhamed Duhandzic; Dhandapani Venkataraman; Michael Lu Diaz; Subhayan Samanta; |
| 734 | Designing High-Spin Small Organic Molecules for Optoelectronic Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This study shows a novel design strategy of polycyclic hydrocarbons with a large polyradical character, compelling synthetic targets for magnetic and spintronics materials. |
Neeraj Rai; Md Abdus Sabuj; Chinmoy Saha; Md Masrul Huda; |
| 735 | Predicting Phase Preferences of Transition Metal Dichalcogenides Using Machine Learning Techniques Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss our recent work [Phys. |
Pratibha Dev; Pankaj Kumar; Sharmila Shirodkar; Vinit Sharma; |
| 736 | Surface Doping of MoO3-x on Hydrogenated Diamond Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We performed reactive molecular dynamics simulations to study the deposition of MoO 3-x on hydrogenated diamond (111) surface and used first-principles calculations based on density functional theory to investigate the change transfer and electronic structures. |
Liqiu Yang; Thomas Linker; Aravind Krishnamoorthy; Ken-ichi Nomura; Rajiv Kalia; Aiichiro Nakano; Priya Vashishta; |
| 737 | Supercharging Semi-empirical Quantum Chemistry with Machine Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present an extended SEQC formalism dynamically parametrized via ML. |
Martin Stoehr; Todd Martinez; |
| 738 | Efficient Calculation of Χ Parameters for Polymer Interactions from Simulation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present impacts of chain length on estimates of the χ parameter from atomistic simulations. |
Kevin Shen; Glenn Fredrickson; M. Scott Shell; My Nguyen; Charles Li; Dan Sun; Nick Sherck; Paul Irving; Venkatraghavan Ganesan; |
| 739 | First-principles Path-integral Molecular Dynamics Study of Ferroelectricity and Isotope Effects in KDP Crystals with Deep Neural Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the ferroelectric phase transition of KDP and DKDP with all-atom path-integral molecular dynamics (PIMD) based on a neural network potential energy model trained on density functional theory with SCAN approximation. |
Bingjia Yang; Pinchen Xie; Roberto Car; |
| 740 | Sobolev Sampling of Free Energy Landscapes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a family of fast sampling methods for classical and first principle molecular simulations of systems having rugged free energy landscapes. |
Pablo Zubieta; Juan De Pablo; |
| 741 | Modified Metal-assisted Exfoliation for Low Disorder, Large Monolayer Devices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report a facile modified metal-assisted mechanical exfoliation method to produce high quality 2D material monolayer arrays on bare Si chip without exposing to water or solution based etching process. |
Yangchen He; Daniel Rhodes; |
| 742 | When Sandcastles Collapse: The Effect of Interparticle Cohesion on Collapsing Granular Columns Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report experimental results for collapsing columns of cohesive grains, falling under their own weight in air. |
Ram Sudhir Sharma; Wladimir Sarlin; Langqi Xing; Cyprien Morize; Philippe Gondret; Alban Sauret; |
| 743 | Latent Heat at The Glass Transition in A Tapped Granular Pile Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The compaction of a granular pile subjected to a series of discrete taps has been widely investigated due to its relevance in both, basic and applied science. |
Stefan Boettcher; Paula Gago; |
| 744 | Truss Structure Dynamics Under Oscillatory and Transient Conditions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, these dynamics are typically derived using lumped models that fail to properly account for the entire range of motion experienced by each bar. In this work, we derive an expansive model that maintains the microstructure fidelity by considering a network of linearly elastic bars connected by free joints and exploring its dynamics in Fourier space. |
Sean Fancher; Eleni Katifori; Prashant Purohit; |
| 745 | Creep and Slow Flow in Athermal Soft Hydrogel Suspensions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will describe how athermal, soft hydrogel suspensions displays interesting creep and slow flow behavior with easily quantifyable features. |
Joshua Dijksman; |
| 746 | Creep in Deformable Particles Under Constant Compressive Strain Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a study of creep in a model system composed of a packing of hydrogel spheres. |
Chandan Shakya; Jasper Van der Gucht; Joshua Dijksman; |
| 747 | Velocity and Shear Stress Profiles of A Sheared Athermal System with Pins Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use molecular dynamics simulations to study a two-dimensional athermal, bidisperse system of particles with purely repulsive harmonic interactions. |
AKM Sadman Mahmud; Michael Bolish; Amin Danesh; Jean Luc Ishimwe; Xiang Li; Cacey Bester; Brian Utter; Amy Graves; Katharina Vollmayr-Lee; |
| 748 | Stress Analysis of A Sheared Athermal System with Pins Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present results concerning shear stress and pressure as a function of packing fraction and strain rate. |
Michael Bolish; AKM Sadman Mahmud; Amin Danesh; Jean Luc Ishimwe; Xiang Li; Cacey Bester; Brian Utter; Amy Graves; Katharina Vollmayr-Lee; |
| 749 | Shear-driven Ordering and Disordering of Frictional Sphere Suspensions in Two 2D Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study we analyze the ordering process in two dimensions, and how it is disrupted with local activation of friction. |
Abhishek Sharma; Abhinendra Singh; Juan De Pablo; |
| 750 | Shear Jamming in Dense Bidisperse Frictional Suspensions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we will investigate the relative contributions of stress carried by various types of contacts (small-small, small-big, big-big) and their respective microstructure. |
Abhinendra Singh; |
| 751 | Dynamic Bonds As Sticky Friction in Shear Thickening Dense Suspensions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We studied dense suspensions of thiol-functionalized particles suspended in ditopic polymers endcapped with benzalcyanoacetamide Michael-acceptors. |
Hojin Kim; Stuart Rowan; Heinrich Jaeger; |
| 752 | Propagating Irreversibility Fronts in Cyclically Sheared Suspensions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: As we sediment the particles toward a boundary, we observe a diffuse traveling front that marks the interface between irreversible and reversible phases. |
Joseph Paulsen; J. Schwarz; Jikai Wang; |
| 753 | Non-equilibrium Capillary Self-assembly Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Inspired by recent experiments involving microscopic colloids, we herein study experimentally and theoretically the structural rearrangements between metastable states of clusters of millimetric spheres in non-equilibrium environments. |
Stuart Thomson; Jack-William Barotta; Daniel Harris; |
| 754 | Interplay Between Ordering and Mobility in A System of Self-propelled GrainsNarayanan Menon Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Thus, the shape of the particle can be kept fixed, while the anisotropy of its motion is varied. We show two examples using square tiles where this flexibility allows us to explore qualitatively new behaviour. |
NARAYANAN MENON; |
| 755 | A Density-independent Glass Transition in Designer Active Granular Matter Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By designing synthetic active matter systems that capture certain key features of living ones, we systematically investigate active glassy dynamics in this model system. |
PRAGYA ARORA; Rajesh Ganapathy; Ajay Kumar Sood; |
| 756 | Fire-ant Columns Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study fire-ant columns, an active version of passive granular columns, and find that, despite the inherent activity of the ants and their natural tendency to rearrange, the ants develop force-chain structures that help support the weight of the column. |
Alberto Fernandez-Nieves; Caleb Anderson; |
| 757 | Liquid-state Properties and Jamming Dynamics of Athermal Persistent Active Matter Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To investigate the effects of non-thermal particle-scale forcing in dynamic arrest, we have studied, using Langevin simulations, a two-dimensional athermal binary mixture of active Brownian particles with persistent self-propulsion forces. |
Chandan Dasgupta; Suman Dutta; Pinaki Chaudhuri; Madan Rao; |
| 758 | Tune It Your Way: Activity Induced, Stress Controlled Bifurcation of The Rheology of A Dense 3D Quincke Rotor Suspension Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For high stresses, the viscosity decreases with increasing electric field strengths, and this is associated with the shear induced degeneracy of the direction of rotation in this large shear limit. Our study reveals how exactly activity interacts with shear in 3D to result in this novel bifurcation mechanism for tuning the suspension flow. |
Edward Ong; Itai Cohen; Abhishek Shetty; |
| 759 | High-strength, Fully Dense Granular Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we take a new approach where we consider granular materials as materials by design. |
Francois Barthelat; Ashta Navdeep Karuriya; |
| 760 | Mobile Superstructures with Switchable Behavior Via Redistribution of Vibrated Particle Clusters Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present rigid particle structures consisting of a mobile boundary enclosing a few active polar particles and randomly vibrated nonpolar particles. |
Kyungmin Son; Ho-Young Kim; |
| 761 | Base States and Transitions of An Acoustically Levitated Cluster of Anisotropic Particles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By tuning the driving frequency of the acoustic trap off-resonance, we introduce stochastic nonthermal forces arising from hydrodynamic coupling in the system. Activating and cooling the rod cluster with such forces allows us to study the cluster’s underdamped structural transformations, which we compare with molecular dynamics simulations of thermally formed anisotropic particle clusters. |
Qinghao Mao; Brady Wu; Bryan VanSaders; Heinrich Jaeger; |
| 762 | Hydrodynamic Coupling Melts Acoustically Levitated Crystalline Rafts Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Under the action of these fluctuations, the raft transitions from a predominantly quiescent, crystalline structure, to a two-dimensional liquid-like state. We show that this transition is characterized by dynamic heterogeneity and intermittency, as well as cooperative particle movements, that produce an effectively `cageless’ crystal. |
Brady Wu; Bryan VanSaders; Melody Lim; Heinrich Jaeger; |
| 763 | Granular Dynamics in Spectral Acoustic Holograms Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate spectral holographic trapping by projecting acoustic conveyor beams that move millimeter-scale objects along prescribed paths. |
Mia Morrell; Julianne Lee; David Grier; |
| 764 | Flow Induced Rigidity Percolation in Shear Thickening Suspensions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A clear link between microstructural development and the dramatic increase of the stress fluctuations has not been established yet. To identify the microstructural underpinnings of this behavior, we perform simulations of sheared dense suspensions. |
Emanuela Del Gado; Abhay Goyal; Nicos Martys; |
| 765 | Modulating The Phase Properties of Biomimetic Ion Pair Amphiphile Membranes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we utilized molecular simulations to systematically examine the phase properties of IPA bilayers with various compositions. |
Chi-cheng Chiu; |
| 766 | Understanding Vesicle Fission and Fusion Via Constrained Self-consistent Field Theory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use vesicles formed by polyelectrolytes as a model system and apply the constrained self-consistent field theory to track the energy and morphology along the fission/fusion pathway. |
Luofu Liu; Chao Duan; Rui Wang; |
| 767 | Tail Length Dependence of Acyl Tail Correlation Dynamics and Membrane Viscosity in Lipid Bilayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will discuss how the tail length differences, with the number of carbons ranging from 14 to 18, changes the acyl tail correlation dynamics and compare the estimated values of the membrane viscosity with those estimated from the collective membrane thickness fluctuations. |
Michihiro Nagao; Elizabeth Kelley; Bela Farago; Piotr Zolnierczuk; Paul Butler; |
| 768 | Dynamic Buckling of Light-responsive Lipid Vesicles: Rate-dependent Mode Excitation and Relaxation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By varying the rate of UV intensity increase, we can tune the effective compression rate and thereby alter the shape response as well as the post-buckling relaxation of the membrane. |
Chris Oville; Arash Manafirad; Jithu Krishna; S Thai Thayumanavan; Anthony Dinsmore; |
| 769 | A Neural Network-based Approach to Determining Vesicle Shapes in A Phase Field Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce a novel framework to numerically solve the energetically optimized shape of a vesicle by a feed-forward neural network. |
Yousef Rohanizadegan; Jeff Chen; |
| 770 | Dynamic and Static Light Scattering Study of Polymeric Microgels of Varying Crosslinking Concentration Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The overall light scattering analysis shows that the crosslinker concentration affects the apparent density and structure of microgels and could be related to non-uniform crosslinker distribution in microgels at higher crosslinker concentrations. |
Kiril Streletzky; Andrew Scherer; Samantha Tietjen; Patrick Herron; Samantha Hudson; Krista Freeman; |
| 771 | Lipid Vesicles Induced Ordered Nanoassemblies of Janus Nanoparticles Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Using molecular dynamics of a coarse-grained implicit-solvent model, the adhesion modes of nanoparticles (NPs) on the outer side of lipid vesicles are explored. Specifically, … |
yu zhu; Abash Sharma; Eric Spangler; Mohamed Laradji; |
| 772 | Investigating Nanoparticle-cancer Cell Membrane Interactions Using A Modified Jarzynski Free-Energy Estimator to Eliminate Non-conservative Forces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We here propose a correction Pair Forces method, that removes non-conservative forces, which can be assigned to the free energy calculations. |
Najla Hosseini; Mikael Lund; Mohammd Reza Ejtehadi; |
| 773 | Membrane Tension and Bending Alter The Morphology of Solid Domains on Curved Membranes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we demonstrate that the crystal formation resulting from the solidification of lipid membrane domains in giant unilamellar vesicles is altered by the membrane tension that pulls on the edge of a growing crystal, creating new morphologies. |
Hao Wan; Geunwoong Jeon; Gregory Grason; Maria Santore; |
| 774 | Adhesion and Dimerization of Spherocylindrical Nanoparticles on Tensionless Lipid Bilayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a numerical investigation of the interaction of sphero-cylindrical nanoparticles (SCNPs) with tensionless planar lipid bilayers, using molecular dynamics simulations of an implicit-solvent model. |
Abash Sharma; Abash Sharma; yu zhu; Eric Spangler; Mohamed Laradji; |
| 775 | Surface Forces Sculpt Nanoscopic Mesas in Micellar Foam Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show the use of IDIOM (interferometry digital imaging optical microscopy) protocols for visualizing and analyzing the nanoscopic thickness transitions in stratifying micellar foam films, with exquisite spatial (thickness < 10 nm, lateral < 1 μm) and temporal resolution (< 1 ms). |
Chenxian Xu; Yiran Zhang; Subinur Kemal; Vivek Sharma; |
| 776 | Peeling with (almost) No Torque: Three-phase Contact Lines of Highly Bendable Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that in both geometries the curvature is substantially enhanced at the contact line, but varies continuously across it. |
Benjamin Davidovitch; NARAYANAN MENON; Deepak Kumar; Nuoya Zhou; |
| 777 | Trapped Either Way: Lose–Lose Diffusion in Ordered Porous Environments Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we simulate the diffusion of NPs through a network of NCs to elucidate the dependence of NP–NC interactions on NP diffusion. We find that both attractive and repulsive interactions decrease the diffusion coefficient of particles in these lattices—a “lose–lose” situation. |
Tobias Dwyer; Timothy Moore; Sharon Glotzer; |
| 778 | Steering Particles in Turbulent Flows Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: After introducing the ways particle shape couples to relative velocity, relative rotation, and local velocity gradients, this talk will explore how we design particles that will respond in desired ways in turbulence experiments. |
Greg Voth; |
| 779 | Synchronization and Collective Motion of Interfacial Capillary Spinners Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we consider the capillary wave-mediated interactions of multiple spinners. |
Jack-William Barotta; Giuseppe Pucci; Alireza Hooshanginejad; Daniel Harris; |
| 780 | Steering Colloids Using Chemical Gradients Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By combining chemical feedback with a previous method of steering colloids with an electric field, we have devised a new technique for steering individual colloidal particles using externally applied chemical gradients. |
Mark McDonald; |
| 781 | Surface Charge Heterogeneity Directed Particle Migration and Assembly Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we demonstrate a system to automatically assemble particles in areas with surface charge heterogeneity thus detecting and delivering particles to the target location at the same time. |
Xiaoyu Tang; parth shah; Todd Squires; |
| 782 | Divine Proportions and The Fractal Dimension of DLCA Aggregates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here I present a restricted hierarchical model of diffusion limited cluster-cluster aggregation (DLCA). |
Christopher Sorensen; |
| 783 | Real-time Micromanipulation Through 3D Stress-free Flows Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By employing polyhedral symmetries in a multi-channel microfluidic design, we show that the tasks of displacing and trapping a particle can be indeed separated into two distinct sets of flow operations, characterized by their unique groups of symmetries. |
Jeremias Gonzalez; Ajay Gopinathan; Bin Liu; |
| 784 | The Lifetime of Swimming Droplets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: They are intrinsically isotropic and self-propel by spontaneously breaking symmetry [1], by contrast to Janus particles that swim as a result of built-in design asymmetries. Here we study the motion of swimming droplets made of diethyl phthalate oil (DEP) in varying concentrations of aqueous sodium dodecyl sulphate (SDS) solution above the critical micellar concentration [2]. |
Wenjun Chen; Adrien Izzet; Ruben Zakine; Eric Clement; Jasna Brujic; |
| 785 | Protocols for Assembly of Passive Solutes in Active Solvent Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the assembly of passive solutes in a bath of self-propelled active Brownian particles. |
Clay Batton; Grant Rotskoff; |
| 786 | Synchronous Oscillatory Electro-inertial Focusing of Synthetic and Biological Particles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present experimental results on the focusing of synthetic and biological particles using synchronous oscillatory electro-inertial flow in a microfluidic device. |
Gabriel Juarez; Giridar Vishwanathan; Nahid Al Nahian Rahat; |
| 787 | Steering Colloids Using Solute Gradients and Flow Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, combining experimental observations and numerical simulations of flow through a T-junction, we show that the coupling between diffusiophoretic migration of colloids and diffusioosmotic flows next to the solid surfaces can lead to unexpected focusing patterns. |
Haoyu Liu; Amir Pahlavan; |
| 788 | Ultra-fast Ballistic Supercavitating Plasmonic Nanoparticles Driven By Optical Pulling Forces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report, ballistic plasmonic Au nanoparticles that swim at unprecedented speeds, ~245,000 μm s−1 in a water medium, against the propagation direction of a loosely focused Gaussian beam. |
Amartya Mandal; Tengfei Luo; Eungkyu Lee; |
| 789 | Direct Observation of Nanoplastics in Seawater Via Shrinking Surface Bubble Deposition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report the direct observation of nanoplastics in ocean water around the world leveraging a unique shrinking surface bubble deposition (SSBD) technique. |
Seunghyun Moon; Leisha Martin; Seongmin Kim; Qiushi Zhang; Wei Xu; Tengfei Luo; |
| 790 | Inertial Torque on A Squirmer Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A small spheroid settling in a quiescent fluid experiences an inertial torque that aligns it so that it settles with its broad side first. Here we show that an active particle experiences such a torque too, as it settles in a fluid at rest. |
Bernhard Mehlig; Fabien Candelier; Jingran Qiu; Lihao Zhao; Greg Voth; |
| 791 | Tight-binding Model Predicts Frontier Molecular Orbitals and Optical Gap for Conjugated Oligomers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The tight-binding parameters from homo-oligomers and alternating co-oligomers of the constituent monomers, without adjusting, were used to define the tight-binding model of IDTBR Here, we extend this model to describe the energy and structure of excitons on oligothiophenes and IDTBR. |
Vishal Jindal; Michael Janik; Scott Milner; |
| 792 | Optical Studies of Chirality Induced Pi-conjugated Polymer Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have studied the optical and magneto-optical properties of organic thin films consisting of π-conjugated polymers blended with chiral molecules, using absorption, electro-absorption (EA), circular dichroism (CD), and photoluminescence (PL) spectroscopies. |
Prashanna Poudel; Heshan Hewawalpitage; Xin Pan; Christoph Boehme; Zeev Vardeny; |
| 793 | Photophysics and Photochemistry of Singlet Fission Materials in Microcavities Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: An important intermediate step in SF is the formation of a spin-entangled triplet-pair state (TT), whose properties are critical in mediating both the generation of free triplets and the reverse process of triplet-triplet annihilation. We systematically examine formation of the TT state and its properties in functionalized acenes depending on the derivative and film morphology, as well as external parameters such as temperature, magnetic field, and excitation energy. |
Winston Goldthwaite; Roshell Lamug; Michael Chase; John Anthony; Oksana Ostroverkhova; |
| 794 | Ultrafast Generation of The Triplet-triplet Spin Biexciton with Weak Binding Energy in Singlet Fission Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Accordingly, we have investigated the SF candidate material PTP (P = pentacene, T = tetracene) which has been shown to display both fast triplet-triplet generation as well as slow triplet recombination 1. |
Moshe Chesler; Sumitendra Mazumdar; |
| 795 | Photophysics and Optoelectronics of Functionalized Acenes and Anthradithiophenes in Cavities Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a systematic study of strong coupling in functionalized tetracenes (R-Tc) and anthradithiophenes (R-ADT) depending on film crystallinity, morphology, placement in the cavity (to achieve various degrees of overlap with the cavity electric field), and cavity design. |
Roshell Lamug; Winston Goldthwaite; Ahasan Ullah; John Anthony; Li-Jing Cheng; Oksana Ostroverkhova; |
| 796 | Exciton-Polariton Condensation in Organic Host-guest Systems at Room Temperature Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report a new universal platform of supramolecular organic systems to realize room temperature condensation with the potential to incorporate more than 1000 commercially available dyes across the visible spectrum. |
Prathmesh Deshmukh; Sitakanta Satapathy; Evripidis Michail; Andrew Olsson; Rezlind Bushati; Ravindra Kumar Yadav; Mandeep Khatoniar; Junsheng Chen; Bo Laursen; Matthew Sfeir; Amar Floor; Vinod Menon; |
| 797 | Organic Exciton-Polariton Lattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report an approach that uses Focused Ion Beam (FIB) etching to pattern a planar microcavity. |
Ravindra Kumar Yadav; Sitakanta Satapathy; Prathmesh Deshmukh; Biswajit Datta; Addhyaya Sharma; Vinod Menon; |
| 798 | Evaluation of The Photostability of An Organic Solar Cell Using A Field-Effect Transistor Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Light-induced deterioration of performance in organic solar cells (OSCs) is a key barrier to commercialization. Because the photostability of OSCs is highly dependent on the … |
SWARUP BISWAS; Yongju Lee; Hyojeong Choi; Hyeok Kim; |
| 799 | Photo-Active Covalent Organic Frameworks (COFs) for Photochemical Transformations and Environmental Remediation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we demonstrate that photoactive COFs are effective heterogeneous photocatalysts for organic transformations. |
Rafael Verduzco; |
| 800 | Performing UV Photochemistry with Blue Light Using Triplet Fusion Upconversion Micelles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Blue-to-UV triplet fusion upconversion offers a solution by converting two blue photons that are more transmissive into a higher energy UV photon. |
Brendan Wirtz; Qi Zhou; Tracy Schloemer; Manchen Hu; Danielle Mai; Daniel Congreve; |
| 801 | NIR Sensing Ambipolar Organic Phototransistor Based on Solution Processable N-Type Semiconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We developed ambipolar OPT using the single component approach with donor-acceptor type molecules in the active layer. |
Hwa Pyeong Noh; Yongju Lee; Mi Ri Nae Lee; SWARUP BISWAS; Hyeok Kim; |
| 802 | Enhanced Infrared Photosensitivity in DPP Based Polymer Sensitized MoS2 Phototransistor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study revealed that 2D semiconductor hybrid heterostructure with IR absorbing polymer may pave the way to design the high sensitivity IR photodetector for promising optoelectronic applications. |
Priyanka Das; Brian Shook; Ranganath Don; Daijun Feng; Ralu Divan; Daniel Rosenmann; Anirudha Sumant; Qiqi Zhang; Qilin Dai; Colleen Scott; Nihar Pradhan; |
| 803 | High Ambipolar Mobility in Cubic Boron Arsenide Revealed By Transient Reflectivity Microscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: With near band gap 600-nanometer pump pulses, we found a high ambipolar mobility of 1550 ± 120 square centimeters per volt-second, in good agreement with theoretical prediction. |
Shuai Yue; Fei Tian; Xinyu Sui; Mohammadjavad Mohebinia; Xianxin Wu; Tian Tong; Zhiming Wang; Bo Wu; Qing Zhang; Zhifeng Ren; Jiming Bao; Xinfeng Liu; |
| 804 | Dynamics of Strained Nanoribbons at Finite Temperature Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use molecular dynamics simulations to study the time trajectory of the midpoint (the height center-of-mass) of doubly clamped nanoribbons under various strain conditions. |
Paul Hanakata; Sourav Bhabesh; David Yllanes; Mark Bowick; David Nelson; |
| 805 | Geometrical Control of The Tilt Transition in Single-Clamped Thermalized Elastic Sheets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The finite barrier implies that, over long time scales, the elastic sheet may transition between the two states, residing in each for a finite time. Naively, temperature might be assumed as the primary driver for these transitions, but we find that geometric characteristics, in particular the aspect ratio of the sheet, is the key controller of the transition probability. |
Roberto Abril Valenzuela; Mark Bowick; |
| 806 | Active Buckling of Pressurized Spherical Shells Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the buckling of pressurized spherical shells by Monte Carlo simulations in which the detailed balance is explicitly broken — thereby driving the shell active, out of thermal equilibrium. |
Dhrubaditya Mitra; Vipin Agrawal; Vikash Pandey; |
| 807 | Rate-controlled Buckling of Elastic Thin Films Bonded to Viscous Substrates: Slow Compression Gives Localized Ridges; Fast Compression Gives Wrinkles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We examine the buckling of a thin elastic film bonded to a much thicker viscous substrate undergoing compression at a fixed rate. |
Xianheng Guan; Nhung Nguyen; Enrique Cerda; Luka Pocivavsek; Sachin Velankar; |
| 808 | Ridge Localization Driven By Natural Imperfections Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show that buckling instabilities in fluid-structure interactions can be reduced to the analysis of a growth function that amplifies the initial noise characterizing experimental or numerical error. |
Enrique Cerda; Sachin Velankar; Nhung Nguyen; Luka Pocivavsek; Xianheng Guan; |
| 809 | Wrinkling of Soft Composite Sheets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We examine the buckling shape and critical compression of a confined composite sheet floating on a liquid. |
Anthony Bonfils; Marc Suñé; Cristobal Arratia; Dominic Vella; John Wettlaufer; |
| 810 | Viscoelastic Creasing: Free-surface Instability of A Viscoelastic Liquid Under Compression Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that a viscoelastic liquid undergoes a similar, but rate-dependent, surface-creasing instability. |
Sachin Velankar; Xianheng Guan; Dylan Butler; Likhitha Reddipalli; Qihan Liu; |
| 811 | Pseudomomentum Balance in Thin Structures, Deferred Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will employ it in the context of thin, flexible structures, to explain conserved quantities in rotating conical membranes and propulsive forces on confined elastic rods. |
James Hanna; Harmeet Singh; |
| 812 | Consequences of Constitutive Choices in Soft and Thin Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk contains contributions from J. A. Hanna and C. O. Horgan. |
Eduardo Vitral; |
| 813 | Elasticity and Morphology of Flexible Solid Domains in Lipid Vesicles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore what controls the geometric pattern of nearly-isometric “folding” of the solid domain, as well as the transition to non-isometric shape equilibria when the ratio of solid stretching to bending modulus (or radius) decreases. |
Geunwoong Jeon; Hao Wan; Maria Santore; Gregory Grason; |
| 814 | Why Do Drying Colloidal Suspension Drops Bend Out of Plane? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work provides a unified picture of crack formation and deformation as two ways to release strains in thin drying deposits. |
Paul Lilin; Wim van Rees; Irmgard Bischofberger; |
| 815 | Adhesion-adjustable Passive Suction Cup Using An Elasticity of Hemispherical Cap Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we develop passive suction cups applying a mechanism that can produce high adhesive performance and can easily control the formed inner pressure. |
Yuseong Song; Anna Lee; |
| 816 | Polymer Physics-based Classification of Neurons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For a polymer-like object consisting of n monomers spanning over a length scale of r, F(q) scales with the wavenumber q(=2π/ r) as F(q) ~ q-D at an intermediate range of q, where D is the fractal dimension or the inverse scaling exponent ( D= ν -1) characterizing the geometrical feature ( r ~ nν) of the object. F(q) can be used to describe a neuron morphology in terms of its size ( Rn) and the extent of branching quantified by D. By defining the distance between F(q)s as a measure of similarity between two neuronal morphologies, we tackle the neuron classification problem. |
Kiri Choi; Won Kyu Kim; Changbong Hyeon; |
| 817 | Quantized Gravity and Cells at Planck Scale Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: If the cell were larger than Planck mass, self-gravity would interfere with its internal processes. This continuing research connects cosmology of the large Universe with the microscopic world |
Louise Riofrio; |
| 818 | Submicron Ni/Au/Ge Contacts to An AlGaAs/GaAs Two-dimensional Electron Gas Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We discuss both electrical and structural characterization data. |
Matthew Mann; James Nakamura; Shuang Liang; Michael Manfra; |
| 819 | Tying Up The Loose Ends of Tight Knots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work I discuss some recent results examining the ropelength of torus and satellite knots that are significantly more complex than those previously analyzed, with the goal of constraining conjectured ropelength bounds and providing more insight on the crossing-ropelength relationshp. |
Alexander Klotz; Matthew Maldonado; |
| 820 | Supramolecular Structures with Topologically Tunable Properties: Circular Polycatenanes and Two-dimensional Sheets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, through the use of extensive simulations, we show how one can exploit the topology of the local interlockings to store twist in circular polycatenanes, significantly altering their physical properties. |
Luca Tubiana; Enzo Orlandini; Franco Ferrari; |
| 821 | Optimal Unravelling of Tangled Filaments Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we combine detangling experiments and numerical simulations with a topological analysis of tangle mechanics to understand the fiber extraction problem. |
Vishal Patil; Ishant Tiwari; Saad Bhamla; |
| 822 | Twisting and Braiding Elastic Filament Pairs* Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We develop a nonlinear elasto-geometric model that captures quantitatively the full torque profile, and the evolution of the filament braid with twist. |
Julien Chopin; Animesh Biswas; Arshad Kudrolli; |
| 823 | The Effect of Yarn Mechanics on The Non-linear Elasticity of Knitted Textiles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We further characterize the effects of yarn compression and bending by performing similar experiments in alternate directions on an array of yarn types and analyzing their stress-strain relationship. This will enable us to develop a constitutive model for knitted fabrics based on both the stitch pattern topology and the underlying mechanics of the yarn itself. |
Alexander Cachine; Krishma Singal; Sarah Gonzalez; Michael Dimitriyev; Elisabetta Matsumoto; |
| 824 | Mechanical Transitions in Knitted Fabrics with Coarsening Patterns Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our preliminary work has shown that cluster size increases bulk fabric rigidity. |
Krishma Singal; Michael Dimitriyev; Elisabetta Matsumoto; |
| 825 | Characterizing Jamming in Knitted Fabrics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To study the interplay between confinement and mechanics, we map the distribution of non-local contact interactions, known as the contact set. |
Sarah Gonzalez; Michael Dimitriyev; Krishma Singal; Elisabetta Matsumoto; |
| 826 | Laddering Propagation in Weft Knit Fabrics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: As such, our study provides a framework not only to understand, but also to manipulate failure modes in soft wearables. |
Helen Read; Kausalya Mahadevan; Katia Bertoldi; |
| 827 | Structure-Property Investigation of Knit Patterns on Mechanical, Thermal, and Moisture Properties Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The present work explores the structure-property relationships of different knit structures with same fiber and yarn properties; how different loop formation techniques (intermeshing or interloping) impact on the moisture and heat transfer properties of fabrics, determinants of comfortability, crucial and fundamental properties of wearable textiles. |
Jay Park; S M Fijul Kabir; Ihsan Uluturk; Seijiro Yoshihara; Joshua Lee; Scott Stapleton; |
| 828 | Hydrodynamics of Brownian Colloids in Soluble Surfactant Layers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we deliberately added two soluble surfactants in the system that allow us to probe the effect of surfactants on interfacial mechanics. |
Mehdi Molaei; Stephen Crane; Nicholas Chisholm; Kathleen Stebe; |
| 829 | "Liquid Network" Theory of Supramolecular Soft Matter Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Interruptions to their crystal symmetries, e.g. due to defects or composition gradients, result in collective changes in domain morphology as a result of thermodynamic forces and constraints on molecular packing. Motivated by experiments and self-consistent field calculations of block copolymer melts, we propose a "liquid network" theory that coarse-grains the collective behavior of such supramolecular networks into an effective mechanical network model. |
Michael Dimitriyev; Gregory Grason; |
| 830 | Topological Edge Modes and Weyl Hypersurfaces in Hyperbolic Maxwell Lattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We generalize topological mechanics to lattices with negative intrinsic curvature. |
Francesco Serafin; Xiaoming Mao; Zeb Rocklin; Kai Sun; |
| 831 | Multiscale Acoustic Holography of Soft Materials By Optimal Tarzan Scanning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce an acoustic camera that acquires holograms by efficiently scanning a microphone across an arbitrarily large field of view in a pattern designed to provide full-field coverage with spatial resolution that improves with time. |
Matthew Gronert; Aashay Pai; David Grier; |
| 832 | Encoding Textures Into Liquid-Crystalline Materials Using Structured Magnetic Fields Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a methodology for using microstructured magnetic materials, appropriately patterned, to precisely control LCBCPs using spatially varying magnetic fields. |
Yvonne Zagzag; Zhe Liu; Randall Kamien; Jay Kikkawa; Chinedum Osuji; |
| 833 | Sequence-defined Oligocarbamates Binding in Solution: Multiscale Modeling and Experimental Study Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a computational framework to facilitate the rational design of synthesizable sequence-defined oligocarbamates (SeDOC) for improved fidelity and stability. |
Mohammed Alshammasi; R. Kenton Weigel; Christopher Alabi; Fernando Escobedo; |
| 834 | 3D Printed Methacrylate-modified Chitosan / Methylcellulose Blend Hydrogel Scaffolds for Body Tissue Regeneration Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, polymer blends of CSMA and MC were prepared for 3D printing of hydrogel scaffolds. |
Xiaodie Chen; Hanqi Zhu; Min Wang; |
| 835 | Associative Liquid-in-Liquid 3D Printing Induced By Surfactants Self-Assembly Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present the phase behavior and structure-properties relationship using shear rheometry, tensile measurements, microscopy, and SAXS. |
Zahra Niroobakhsh; Houman Honaryar; Saba Amirfattahi; |
| 836 | Peptide ‘bundlemer’ Design for Model Protein Nanoparticle Creation and Hierarchical Solution Assembly Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: A new solution assembled system comprised of computationally designed coiled coil bundle motifs, also known as ‘bundlemers’, will be introduced as model nanoparticles. The … |
Darrin Pochan; |
| 837 | Asymmetric Functionalization of Colloidal Microcapsules Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In my talk, I will describe a synthetic process for fabricating colloidal microcapsules with well-defined geometries and tunable internal chemistry. |
Sarah Chong; Adam Hauser; stefano sacanna; William Irvine; |
| 838 | Detailed Control of Mesoscopic Droplets Through Temperature-driven Phase Transtions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present an experimental tool that captures the phase transitions driven by temperature changes in colloidal mesoscale droplet mixtures. |
Jairo Díaz Amaya; Laura Galeano Tirado; Timothy Niper; |
| 839 | Design of Active and Informative Display with Liquid Crystal Modulator Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we demonstrated that the tunable meta-system combined with metasurface and LC modulator. |
Won-Sik Kim; Trevon Badloe; Inki Kim; Junsuk Rho; YoungKi Kim; |
| 840 | Double-Gyroid Network Morphology Formed By Asymmetric Magic-Ratio Block Oligomers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we designed a family of amphiphilic triblock oligomers comprising two asymmetric hydrophobic tails based on geometric analysis and assess their self-assembly in molecular dynamics simulations. |
Daoyuan Li; J. Ilja Siepmann; Timothy Lodge; Mahesh Mahanthappa; |
| 841 | Making Highly Elastic and Tough Hydrogels from Doughs Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The crosslinks make the hydrogel swell-resistant but brittle. We present a method to resolve this conflict, making a hydrogel from a dough. |
Guodong Nian; |
| 842 | Reducing Polymorphism in The Self-assembly of Tubules Through Soft-modes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Biological systems can create complex self-limited structures, such as viral capsids and microtubules, by controlling the valence and binding angles of biomolecular interactions. Inspired by this strategy, we create DNA origami subunits with specific interactions and prescribed binding angles that assemble into tubules whose self-limited width is much larger than the subunit size. |
Thomas Videbaek; Daichi Hayakawa; W. Benjamin Rogers; |
| 843 | Reacting Dislocations Drive Chirality and Shape Transitions in Tubular Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate that stable patterns of dislocations, which are specific to tubular crystals, significantly deform the macroscopic shape of the crystal. |
Andrei Zakharov; Daniel Beller; |
| 844 | Exploring The Self-assembly of Glycolipids Into Three-dimensional Network Phases Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we developed a molecular dynamics simulation workflow to predict the formation of network phases in glycolipids for concurrent experimental studies. |
Caini Zheng; Ke Luo; Mahesh Mahanthappa; Timothy Lodge; J. Ilja Siepmann; |
| 845 | Hierarchal Coatings for Biological Building Blocks Via Electrospray Deposition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The generated coatings are hierarchical, possessing either nano-shell, nanoparticle, or nanowire microstructure, which can be smoothed through further post processing. We envision SLED as being a replacement for dip or conventional-spray coating, where its greatest advantage would be the potential for much higher materials utilization. |
Sarah Park; Jonathan Singer; Lin Lei; Emran Lallow; Hao Lin; Maria Atzampou; Jeffrey Zahn; Jerry Shan; David Shreiber; Joel Maslow; |
| 846 | Grain-scale Origins of Ultrastability in Cyclically Driven Shear-jammed Granular Material Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the present work, we use photoelastic imaging methods to examine the evolution of contact forces within a shear cycle after an ultrastable state is formed in a layer of plastic discs. |
Joshua Socolar; Yiqiu Zhao; Yuchen Zhao; Dong Wang; Hu Zheng; Bulbul Chakraborty; |
| 847 | Jamming-controlled Shear Stiffening in Particle-filled Soft Solids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Inspired by the stress-controlled shear-thickening effects in dense suspensions, we proposed a phenomenological model that explains the stiffening effect through critical scaling laws near a stress-dependent jamming point. |
Yiqiu Zhao; Haitao HU; Qin Xu; |
| 848 | Emergent Elasticity in Shear-jammed Granular Materials Under Cyclic Shear Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work provides additional insight into the effect of oscillatory deformation in modifying the mechanical properties of a jammed granular packing. |
Yuchen Zhao; Dong Wang; Hu Zheng; Bulbul Chakraborty; Joshua Socolar; |
| 849 | Quaking in Sand — Dynamics of Granular Shear Flow at The "quasi-static" Limit Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a minimal model that produces repetitive quaking of soft particles under steady shearing in numerical experiments. |
W.-C. Lee; Cheng-En Tsai; |
| 850 | Mechanical Energy Transfer for Two Particles in A Vertically Vibrating Channel Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present an experiment and simulation study of two colliding particles in a vertically shaken channel driven sinusoidally. |
Kai Yang; Jeffrey Olafsen; |
| 851 | Fragility in A Macroscopic Model of A Glass-forming Liquid Based on A Nonvibrating Granular System Under A Time-dependent Magnetic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the glass transition in a nonvibrating granular system composed of magnetic steel pellets under a variable magnetic field at a fixed particle concentration. |
Cecilio Tapia-Ignacio; Ruben Fossion; Fernando Donado; |
| 852 | Modeling and Simulation of Collective Behavior in Actin-Propelled Beads Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We aim to collect statistics on relevant properties of the flocks, such as their size and persistence, and compare with experimental data. The goal of the project is to use simulations to further test hypotheses on how system parameters such as actin concentration, particle number density, and particle-to-system size ratio control the collective behavior of these active beads. |
Narges Kelly; Thomas Fai; Guillaume Duclos; Benjamin Strain; Amélie Chardac; Izaiah Alvarado; |
| 853 | Collective Dynamics of Swarmalators with Time-delayed Interactions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we studied the effects of time delay in interactions on collective dyanmics of a population of swarmalators – phase oscillators that synchronize in time while swarming through space. |
Oleg Kogan; Kevin O’Keeffe; Nick Blum; |
| 854 | Fluttering Induced Flow in A Closed Chamber Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We derive an analytical model that accounts for the coupled, two-way, fluid-sheet interaction. |
Oz Oshri; Yuri Feldman; Kirill Goncharuk; |
| 855 | Anomalous Heating Dynamics in The Stochastically Driven System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: An interesting effect is that transition between a metastable phase to that of a fully chaotic heating phase which is controlled by the drive frequency of the system is controlled by the randomness. We discuss these anomalous diffusive phases in classical incoherently driven kicked many-body rotor and quantum kicked top. |
Aritra Kundu; |
| 856 | Focal Conic Array in Patterned Microchannels Near The Smectic Phase Transition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To this purpose, we identify a quantitative measurement of “memory” for focal conic domains in smectic A liquid crystals that undergo a transition to either nematic or cholesteric liquid crystals. |
Sean Hare; |
| 857 | Nematic-to-isotropic Phase Transition at Prepatterned Topological Defects Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore the nematic-to-isotropic transition in an array of topological defects generated by a pre-patterned director field. |
Nilanthi Haputhanthrige; Miao Jiang; Hao Chen; Xiayu Feng; Maxim Lavrentovich; Oleg Lavrentovich; Qihuo Wei; Yubin Guo; |
| 858 | Phase Equilibrium and Dynamics in Mixture of 5CB/dimethyl Phthalate Isotropic One-phase State Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Phase equilibrium and dynamics were examined for a mixture of 5CB with dilute dimethyl phthalate (DMP; w DMP = 3.1 wt%). The mixture was in an isotropic one-phase state at … |
Ryoko Shimada; Osamu Urakawa; Tadashi Inoue; Hiroshi Watanabe; |
| 859 | Measures of Chirality in The Framework of Atom-atom Potentials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recently, different chirality measures were suggested to quantify the ability of chiral molecules to twist a nematic phase (twisting power). In this presentation, some of these measures are reviewed, and a few novel methods are suggested and considered. |
Petr Shibaev; Mihir Shetty; |
| 860 | Emerging Topological Structures in Nematic Moiré Patterns Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: As such, the proposed simple mechanical twist method shows the promise of designing and tuning arbitrary, external-field-responsive, mesoscopic structures and optical patterns in liquid crystals and beyond, which can facilitate applications in defect-templated self-assembly, display, imaging, and photonic devices. |
Xinyu Wang; Juan Chen; Jinghua Jiang; Chenhui Peng; Rui Zhang; |
| 861 | Electro-optical Switching of A Single Component Ferroelectric Nematic Material at Room Temperature Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present the measurements of the physical properties of a single component ferroelectric nematic material RT11165 with electro-optical switching properties down to room temperature. |
Alex Adaka; Rony Saha; Pawan Nepal; Parikshit Guragain; Kelum Perera; James T. Gleeson; Robert J. Twieg; Antal Jakli; |
| 862 | High-Temperature Mesomorphic Glassy Liquid Crystals with Exclusive Cholesteric Mesomorphism Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We are studying a series of GLCs with high morphological stability that display exclusive mesomorphism of the nematic and cholesteric type over a broad temperature range. |
Benjamin Carlson; Mitchell Anthamatten; Shaw Chen; |
| 863 | Nematronics: Reciprocal Coupling Between Ionic Currents and Nematic Dynamics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Assuming quenched fluid dynamics, we construct the analogs to spin torque and spin pumping in nematic electrolytes. |
Chau Dao; Jeffrey Everts; Miha Ravnik; Yaroslav Tserkovnyak; |
| 864 | Effects of Mesostructured Ionic Liquids on Charge Transport Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These materials typically consist of oppositely charged molecules with typically bulky ionic groups. Our work uses atomistic molecular simulations to explore the behavior of a novel ILC lithium salt to explore its ion conducting properties, and how these are mutually influenced by ion-pair binding and mesoscale structure. |
Marvin Diaz Segura; |
| 865 | Flow-induced Switching Between Blue Phases Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we focus on the dynamic and out-of-equilibrium states of BPII under shear stresses in pressure-driven flow inside microfluidic channels. |
Tadej Emersic; Rui Zhang; José Martínez-González; Kushal Bagchi; Paul Nealey; Juan De Pablo; |
| 866 | Magnetic Field Driven Configuration Transitions in Nematic Droplets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Building on prior work, we develop a critical field model to describe the relationship between critical magnetic field and droplet radius for a droplet with finite anchoring strength. |
Sophie Ettinger; Charlotte Slaughter; Sebastian Parra; Peter Collings; James Kikkawa; Arjun Yodh; |
| 867 | Effects of GoldnanoUrchin Nanoparticles on Ion-transport and Electro-optic Response in Nematic Liquid Crystal Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: A small quantity of GoldnanoUrchin nanoparticles (GUNP) was doped in a nematic liquid crystal (LC), and the nematic electro-optic switching was found to be significantly faster in … |
Rajratan Basu; Derek Gess; |
| 868 | Dynamic Motion Control of Topological Defects in Nematic Liquid Crystals By Chemically Patterned Surfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore the effects of patterned surface characteristics on defects dynamic motion, stabilization and annihilation by controlling the width of homeotropic/planar stripes along with the periodicity. |
Xiao Li; Tejal Pawale; Sid Hashemi; Justin Swain; Giordano Tierra Chica; |
| 869 | The Yield Transition in Gels: Accounting for Structural Breakdown Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we develop a novel rheological protocol to account for structural breakdown and to precisely quantify the yield transition in a variety of materials, including colloidal gels, physical gels, and a physicochemical gel comprised of polymer-linked emulsion droplets. |
Ryan Poling-Skutvik; Daniel Keane; Elnaz Nikoumanesh; |
| 870 | Quenching and Annealing Strategies for Structural and Rheological Control of Thermoresponsive Colloidal Gels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, these strategies have been largely inaccessible to colloidal gels and glasses due to their slow dynamics, difficulties with controlled quenching, and knowledge gaps in the interplay of gelation and phase separation processes. To overcome these challenges, we present studies on model colloids with thermosensitive polymer linkers, in which programmed temperature control provides a facile means to sculpt structure formation, aging and rheology of nascent colloidal gels. |
Matthew Helgeson; Scott Fenton; Tuan Nguyen; Roseanna Zia; |
| 871 | Hyperelastic Rheology of Hydrogels During Compression and Sliding Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show how sliding and shear forces produce dilation in hydrogels. |
Jing Wang; Justin Burton; |
| 872 | Yield Surface of Attractive Colloidal Gels Under Poiseulle Flow Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, yielding behavior of colloidal gels at Φ=20% confined between two walls under Poiseuille flow is computationally studied for attractive and repulsive interactions between the walls and the colloidal particles. |
soohee bae; Deepak Mangal; Safa Jamali; |
| 873 | Biphasic Colloidal Mixtures: Theory of Dynamic Solidification, Linear Elasticity and Yielding Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We apply ideal naive mode coupling theory to treat dynamical arrest, the elastic shear modulus, and stress-driven yielding of binary mixtures of equal diameter hard and attractive spheres. |
Subhasish Chaki; Kenneth Schweizer; |
| 874 | Stress-stress Correlations Reveal Force Chains in Gels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the spatial correlations of microscopic stresses in soft particulate gels, using 2D and 3D numerical simulations. |
H. Vinutha; Fabiola Diaz Ruiz; Xiaoming Mao; Bulbul Chakraborty; Emanuela Del Gado; |
| 875 | Time-resolved Microstructural Changes in Large Amplitude Oscillatory Shear of Model Single and Double Component Soft Gels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: While the microscopic dynamics and macroscopic rheology of these systems have been studied separately in detail, the development of direct connections between the two has been difficult, particularly with regard to the nonlinear rheology. To bridge this gap, we perform a series of large amplitude oscillatory shear (LAOS) numerical measurements on a series of model soft particulate gels using coarse-grained molecular dynamics simulations. |
Gavin Donley; Minaspi Bantawa; Emanuela Del Gado; |
| 876 | Nonlinear Rheology of Biologically Derived Interpenetrating Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we will discuss the rheological response of biologically derived interpenetrating networks (IPNs) composed of gelatin-fibrin and collagen-fibrin with varying degrees of inter-and intra- chain crosslinking. |
Wayan Fontaine-Seiler; Daniel Blair; |
| 877 | Targeting Mechanical Hysteresis of Actin Networks Using Bio-Synthetic Crosslinkers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we probe the mechanical hysteresis of actin networks using bio-synthetic crosslinkers comprised of polyethylene glycol (PEG) polymers end functionalized with actin binding peptides. |
Tyler Jorgenson; Margaret Gardel; Stuart Rowan; |
| 878 | Additive-free Gelation of Graphene Oxide Aqueous Dispersion Induced By The Mild Thermal Annealing Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we propose a strategy for additive-free gelation of GO dispersions through mild thermal annealing (MTA). |
Geon Woong Kim; So Youn Kim; |
| 879 | Re-entrant Dynamics in Polymer-linked Colloidal Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use computer simulations of a coarse-grained model to establish that polymer-linked colloidal networks show dynamic hallmarks of equilibrium colloidal gels with re-entrant behavior as a function of the linker-to-colloid ratio. |
Taejin Kwon; Tanner Wilcoxson; Delia Milliron; Thomas Truskett; |
| 880 | Probing The Interstitial Pore Structure of Packed Granular Microgels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate the interstitial pore structure of uncharged, polyacrylamide microgels with increasing cross-linker and polymer concentrations through a combination of cryo-SEM and single particle tracking. |
Christopher O’Bryan; |
| 881 | Compression Induced Syneresis and Yielding in Fibrous Oil-in-Hydrogel Emulsions Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Emulsion gels stabilized by fibrous networks are found in cosmetic, pharmaceutical, and food industries where oil droplets are dispersed throughout a continuous water phase and … |
Benjamin Thorne; David Weitz; |
| 882 | When Active Matter Turns Solid : from Collective Motion to Collective Actuation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However very little is known about the actuation of an elastic lattice by polar active particles, the orientations of which may couple to the displacement field. In this talk, I will present very recent experimental and theoretical works aiming at developing this new path of research in active matter. |
Olivier Dauchot; Corentin Coulais; Gustavo Düring; Vincent Démery; Paul Baconnier; Dor Shohat; Claudio Hernandez Lopez; |
| 883 | Active Colloids That Mix and Mingle Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk I will discuss my group’s efforts in understanding active mixtures using the Active Brownian Particle (ABP) model. |
Daphne Klotsa; |
| 884 | Plugging Active "hardware" Into Biological "software" Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Quantifying these response functions allows us to identify optimal operating conditions, such as maximum energy economy and maximum performance. We hypothesize that cells dynamically switch between these distinct optima to adapt to changing mechanical tasks, uncertain environments, and evolutionary pressures. |
José Alvarado; |
| 885 | Tissue Models with Active Feecback Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here I will present models of vertex models of epithelial tissues with active feedback. |
Silke Henkes; |
| 886 | Multiscale Rheology and Dynamics of Topologically-active DNA Solutions and Composites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present the design and rheological characterization of solutions of ring and linear DNA, as well as their composites with dextran crowders and stiff microtubules, that are pushed out of equilibrium by enzymatically-driven topological conversion of DNA. |
Rae Robertson-Anderson; |
| 887 | Aging of Colloidal Gels in Microgravity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this project, we look at microscope images of colloidal gels taken over 60 hours at the International Space Station by NASA. |
Swagata Datta; waad paliwal; Eric Weeks; |
| 888 | Comparison of 2D and 3D Images of Colloidal Gels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We employ fluorescence confocal microscopy to take both 2D and 3D images of our colloidal gels. |
waad paliwal; Eric Weeks; |
| 889 | The Influence of Silica Nanoparticles on The Microstructure and Rheology of The Suspensions Containing Wax Network Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We observe the effect of silica nanoparticles (SNPs) on wax in oil suspension. |
Pooja Saxena; Jyoti Seth; Vinay Juvekar; |
| 890 | Quasi-2d Emulsion Flow Through Hopper Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the quasi-2d hopper flow of oil-in-water emulsions as they exit an orifice. |
Ben Lonial; Yuxuan Cheng; Piotr Habdas; Mark Shattuck; Corey O’Hern; Eric Weeks; |
| 891 | Describing Surface Tension and Wetting Behavior of Emulsion Droplets Using The Deformable Particle Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we implement surface tension into the deformable particle model (DPM) and compare the equilibrium shape of the particle with experiments. |
Yuxuan Cheng; John Treado; Ben Lonial; Piotr Habdas; Eric Weeks; Mark Shattuck; Corey O’Hern; |
| 892 | Dilatational Response of An Asphaltene-model Molecule Stabilizing The Oil-water Interface Near The Onset Point of Precipitation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work contributes to providing insights for designing energy-efficient demulsification strategies. |
Nataira Pagan Pagan; |
| 893 | The Emergence of Soft-glassy Dynamics in Foams Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Many seemingly simple materials such as foams and emulsions exhibit complex physical and rheological properties whose physical origins have largely defied understanding. … |
John Crocker; Amruthesh Thirumalaiswamy; Robert Riggleman; |
| 894 | Aggregation and Gelation in A Tunable Aqueous Colloid-Polymer Bridging System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the phase behavior of a colloid-polymer mixture with attractive bridging interactions in which the strength of the polymer adsorption can be tuned through polymer molecular weight, and normalized polymer concentration c/c *. |
Mariah Gallegos; Diego Soetrisno; Jacinta Conrad; |
| 895 | Topological Origins of Yielding in Colloidal Gels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, employing a series of large-scale dynamic simulations and network science tools, we characterize the bonds using their orientation and network centrality. |
Deepak Mangal; |
| 896 | Modeling The Approach to Statistical Self-similarity for Systems That Coarsen By The Diffusion of Material Between Neighboring Bubbles, Droplets, or Grains Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show that essential features of the approach to the scaling state can be captured by an exactly-solvable pair of coupled differential equations for the evolution of the average bubble size and of the critical bubble size, which instantaneously neither grows nor shrinks. |
Douglas Durian; Anthony Chieco; |
| 897 | Drainage of Vegan Foams Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, the bulk foam drainage kinetics of two animal-based milks (cow and goat) was compared to that of the most commonly sold plant-based milks: almond, oat, soy, pea, coconut, and rice. |
Lena Hassan; Monse Reynoso; Karim Al Zahabi; Ramiro Maldonado; Chenxian Xu; Vivek Sharma; |
| 898 | Rheology and Texture of Animal and Plant-based Mayo Emulsions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Often mayo is presented as a challenging example of food materials made with animal-based proteins that are hard to emulate using plant-based proteins. To understand the role of protein substitution, we characterize the shear and extensional rheology response of animal-based and plant-based mayo emulsions, seeking to decipher the signatures that make real mayonnaise into such an appetizing complex fluid. |
Nadia Nikolova; Lena Hassan; Carina Martínez Narváez; Michael Boehm; Stefan Baier; Vivek Sharma; |
| 899 | Collective Bubble Growth in Water and Water+oil Systems: How to Make Bubbles Grow Indefinitely Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we change the atmospheric boundary condition by adding a thin layer of immiscible oil on top of the water and show that under certain conditions we can make the air bubbles grow indefinitely. |
Devaraj van der Meer; Pablo Peñas; |
| 900 | Drainage Via Stratification in Freestanding Micellar Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this contribution, we examine the concentration dependency of step-size and layer number for ionic surfactants, including SDS, SDBS, and NaN. |
Chenxian Xu; Yash Vidyasagar; Chrystian Ochoa; Vivek Sharma; |
| 901 | Multi-scale Characterization of Hydrogels of Biological Interest Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study here the way to form a homogeneous bead of colloidal hydrogel. |
SOUHAILA N’MAR; Ludovic Pauchard; Frédérique Giorgiutti-Dauphiné; Patrick Guenoun; Jean-Philippe Renault; |
| 902 | Using Good Vibrations: Melting and Controlled Shear Jamming of Dense Granular Suspensions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study suspensions of rough silica particles in a Newtonian fluid. |
Chloé Garat; |
| 903 | The Collapse of A Granular Raft Under Bi-axial Compression Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Taken together, our study provides new insights on the unusual dynamics of fluid interfaces laden with a monolayer of granular particles. |
Ranit Mukherjee; Benjamin Druecke; Xiang Cheng; Sungyon Lee; |
| 904 | Particle Induced Lubrication During The Flow of A Granular Material Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have studied the flow behavior of a granular material by coating the surface of individual particles in the material with very tiny, frictionless, lubricant particles. |
Ravindra Ghodake; Ashish Orpe; Pankaj Doshi; |
| 905 | The Odd Weight of Grains: Anomalous Janssen Effect in Narrow Granular Columns Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present an experimental study addressing the mechanical behavior of static granular packings confined within a narrow vertical column: by reproducing the classical experiment designed by Janssen in 1895 but using narrower columns, we observe a reverse Janssen effect whereby the fraction of the weight supported by the base overcomes one. |
Ramon Planet; Caleb Anderson; Iker Zamorano; Bernat Argelich; Alberto Fernandez-Nieves; |
| 906 | Simulating Soft Granular Silo Flow in Varying Gravity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present results of LAMMPS Molecular Dynamics simulations of 2D gravity-driven flows of ~30,000 soft uniform spheres through a vertical silo. |
Abigail Tadlock; Kerstin Nordstrom; |
| 907 | Granular Rod Flows Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we explore how the properties of a granular rod, namely it’s aspect ratio and surface roughness, influence the angle of reponse for systems of varying size, flowing down an inclined plane, using the discrete element method, that is fully accessible to students at any level. |
Leo Silbert; Imane Bahji; |
| 908 | The Astonishing Behavior of Non-convex Grains in Granular Shear Experiments Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The details of this phenomenon are extremely sensitive to the particle geometry and the height of the granular bed. We propose a hypothesis that explains this behavior qualitatively. |
Ralf Stannarius; Mahdieh Mohammadi; Ahmed Ashour; Dmitry Puzyrev; Torsten Trittel; |
| 909 | Rotation and Translation Dynamics in A Granular Gas of Rough Spheres in Microgravity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We analyze the role of translations and rotations during their granular cooling. |
Kirsten Harth; Torsten Trittel; Dmitry Puzyrev; Ralf Stannarius; |
| 910 | Granular Shear Jamming with Fixed Pinning Sites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We characterize the mean flow and stress response when small numbers of pinning sites are present in the system. |
Brian Utter; Diana Phommavanh; Christopher Mastandrea; Cacey Bester; Katharina Vollmayr-Lee; Amy Graves; |
| 911 | Local and Global Measures of The Shear Modulus of Jammed Packings Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We first measure the ensemble-averaged shear modulus, < G tot> = < G + − | G −|> as a function of the pressure p, where G + and | G –| are the contributions from configurations with positive and negative shear moduli, respectively. We show that < G +> and <| G −|> obey different scaling relations with pressure above and below pN 2∼1, where N is the system size. |
Weiwei Jin; Shiyun Zhang; Jerry Zhang; Mark Shattuck; Corey O’Hern; |
| 912 | Statistics Predict Random Circle Packing Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present the general formula for the density of random packed circles from their PDFs, and the theoretical underpinnings of the formula. |
David Meer; Eric Weeks; |
| 913 | Sailing Leidenfrost Droplets on Superheated Granular Layer Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We characterize the sailing motion for a wide range of particle sizes and liquid properties. |
Binh Nguyen; Tuan Tran; Dongdong Liu; Vu Nguyen; |
| 914 | In-Situ Measurements of Stress Fluctuations and Kinematics in Triaxial Tests Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The apparatus can uniquely be used to study sand samples as small as 1 mm diameter by 2 mm tall (containing about 1000 grains of Ottawa sand) and as large as 15 mm diameter by 30 mm tall (containing over 50000 grains of Ottawa sand). Here, we report uses of this apparatus at laboratory and synchrotron x-ray facilities to study the micromechanics of sand undergoing large strains (>30% in shear bands, 15% axially). |
Ryan Hurley; Ghassan Shahin; Ye Tian; Edward Ando; Øyvind Torgersrud; Eleni Stavropoulou; Andrew King; |
| 915 | Interplay Between Nanoparticle-Induced and Substrate-Induced Ionic Effects in Molecular Liquid Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This report presents a discussion of ionic effects induced by nanoparticles and substrates in molecular liquid crystal. |
Yuriy Garbovskiy; |
| 916 | Nanoparticle Assembly in Smectic-A to Nematic Phase Transition at Undulated Surfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that the NPs assemble sequentially at defects and confining surfaces, with the assembly sequence dependent on NP surface anchoring. |
Jane Bernadette Denise Garcia; Mackenzie O’Keefe; Mohamed Amine Gharbi; Daniel Beller; |
| 917 | Calculation of Electrical Transport Property for Liquid Binary CuxAg1-x Alloys Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For V ij(q), we have chosen Bretonnet-Silbert (BS) pseudo-potential with Ichimaru-Utsumi (IU), and Vashishta-Singwi (VS) local field correction functions. |
Asma Harun; Ratan Chandra Gosh; |
| 918 | Structures, Thermodynamics and Dynamics of Topological Defects in Gay–Berne Nematic Liquid Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the structure and dynamics of topological defects in Gay–Berne nematic liquid crystals by molecular dynamics simulations. |
Yulu HUANG; Weiqiang WANG; Jonathan Whitmer; Rui Zhang; |
| 919 | Ferroelectric Nematic Liquids with Conics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we demonstrate that DWs are shaped as conic sections in a ferroelectric nematic (N F) liquid crystal, which is a fluid with no crystallographic axes. |
Oleg Lavrentovich; Priyanka Kumari; Bijaya Basnet; |
| 920 | Programming Liquid Crystal Director Fields Using Spatially Varying Magnetic Fields Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show that the director field of a small molecule LC can be spatially programmed by employing magnetic microstructures. |
Zhe Liu; Yvvone Zagzag; Chinedum Osuji; Randall Kamien; Jay Kikkawa; |
| 921 | Applications of The Peach-Koehler Force in Liquid Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we argue that the relevant angular stress can be identified by expanding the total angular stress around a disclination as a Laurent series, and eliminating the divergent stress from the disclination itself. |
Cheng Long; Jonathan Selinger; |
| 922 | Electric Field Induced Interfacial Instability in A Ferroelectric Nematic Liquid Crystal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigated the response of a ferroelectric nematic liquid crystal to electric fields in various geometries. |
Marcell Máthé; Antal Jakli; Agnes Buka; Peter Salamon; László Péter; Bendegúz Farkas; |
| 923 | Latex-Stabilized Cholesteric Liquid Crystal Coatings for Thermochromic Textiles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find that the excellent brightness is due to the flattening of the phase separated CLC droplets during the water evaporation from the latex varnishes. |
Md Mostafa; |
| 924 | Supramolecular Meso-Trick – Ambidextrous Mirror Symmetry Breaking in A Liquid Crystalline Network with Tetragonal Symmetry Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Bi- and multi-continuous network phases are among nature’s most complex structures in soft matter systems. Here a chiral bicontinuous tetragonal phase is reported as a new stable … |
Yu Cao; Mohamed Alaasar; Chenhui Zhu; Lei Zhang; Carsten Tschierske; Feng Liu; |
| 925 | Topological Liquid Crystal Superstructures As Structured Light Lasers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show that complex tunable microlasers emitting structured light can be generated from self-assembled topological LC superstructures containing topological defects inserted into a thin Fabry–Pérot microcavity. |
Urban Mur; |
| 926 | Formation and Fluctuation of Two-dimensional Dodecagonal Quasicrystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we assemble a two-dimensional dodecagonal quasicrystal from the patchy particle of fivefold symmetry by Brownian dynamics simulation. |
Uyen Lieu; Natsuhiko Yoshinaga; |
| 927 | Analysis of Cerebrospinal Fluid Rheology Using Shear and ExtensionalTechniques Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we have performed a comprehensiverheological analysis of CSF specimens extracted from neurosurgicalpatients at the UCLA hospital. |
John Hollister; Won Kim; Anthony Wang; Mayumi Prins; Christopher Giza; Pirouz Kavehpour; |
| 928 | Rheology of Nanoemulsions in Glass and Compressed-droplet States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The soft matter of interest in this study is concentrated oil-in-water nanoemulsions, in which the content of a polymer depletant is varied. |
Reza Foudazi; Zahra Abbasian Chaleshtari; |
| 929 | A Viscoelastic Model with Droplet Breakup Effects for Processing of Dense Emulsions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To model history-dependence in droplet breakage dynamics, we have developed a new viscoelastic constitutive equation which we call the "shape tensor emulsion population balance" (STEPB) model, built upon an ellipsoidal approximation of droplet shapes. |
Joseph Peterson; Vipin Michael; Ioannis Bagkeris; |
| 930 | Dynamics of Meniscus-bound Particle Clusters in Extensional Flow Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study the dynamics of meniscus-bound particle clusters in extensional flow using a Stokes trap, which is an automated flow-based technique that allows for precise control of fluid flow for manipulating and studying freely suspended particle clusters. |
Sagar Chaudhary; Jovina Vaswani; Sachin Velankar; Charles Schroeder; |
| 931 | The Rheology of Colloidal Suspensions Measured As Rod-shaped Particles Emerge and Grow Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work offers new routes for characterizing the rheological properties of colloidal rods and for probing how rods form in a model colloidal system. |
Ryle Rel; Ryan McGorty; |
| 932 | Impact of Structural Heterogeneity and Pre-shearing on The Yielding of "Pristine" Colloidal Gels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This prohibits characterization of gels in their “pristine”, as-formed state, and therefore has been a roadblock in understanding the influence of controlled heterogeneity on gel. To overcome this limitation, we combine a thermoresponsive colloidal system that can be gelled in situ with advanced rheo-microscopy measurements in order to simultaneously measure gel rheology and restructuring in flow, allowing us to assess how large-scale structural heterogeneities, as well as pre-shear, influence the viscoelasticity and yielding of colloidal gels. |
Christopher Barney; Megan Valentine; Matthew Helgeson; |
| 933 | The Structure-rheology Relationship in Three-dimensional Sheared Lamellar Phase : Effect of Viscosity Contrast Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The structure-rheology relation in a sheared lamellar mesophase is studied by varying Ericksen number Er (viscous/elastic stress), Schmidt number Sc (momentum/mass diffusivity) and difference in viscosity between hydrophilic and hydrophobic phase using a mesoscale model. |
Arkaprava Pal; Viswanathan Kumaran; |
| 934 | Strain-dependent Microstructure Evolution of ABA Triblock Gels Captured Using RheoSAXS Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present the transient microstructure of two ABA triblock copolymer gels captured using combined rheology and scattering (RheoSAXS) experiments. |
Santanu Kundu; Rosa Maria Badani Prado; Satish Mishra; Humayun Ahmad; Wesley Burghardt; |
| 935 | Effects of Local Incompressibility on The Rheology of Biocomposite Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we use 2D coarse-grained models to study the nonlinear strain-stiffening behavior in composites. |
Anupama Gannavarapu; Sadjad Arzash; Iain Muntz; Jordan Shivers; Sihan Chen; Anna-Maria Klianeva; Gijsje Koenderink; Frederick MacKintosh; |
| 936 | BSA Induced Domain Transformations in Polyelectrolyte Complex Hydrogels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we use PEC self-assembly as a tool to guide the model protein, BSA, into PEC hydrogel domains and use small-angle X-ray scattering to elucidate morphological transformations, while unveiling the limits of protein encapsulation. |
Holly Senebandith; Samanvaya Srivastava; Advait Holkar; |
| 937 | A Colloidal Model for Equilibrium Assembly and Liquid-liquid Phase Separation of Reflectin Protein Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show that reflectin assembly can be explained from a remarkably simple "colloidal atom" model whereby protein molecules interact via a short-range attraction and long-range repulsion (SRA-LRR) pair potential. |
Tse-Chiang Huang; Robert Levenson; Youli Li; Phillip Kohl; Daniel Morse; M. Scott Shell; Matthew Helgeson; |
| 938 | Frequentist and Bayesian Approaches to Error Estimation in Particle-Based Simulations of Soft Matter Transport Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we describe several recent statistical results governing the quantification of uncertainties associated with the analysis of data from particle-based simulations, both within a frequentist framework and within a Bayesian framework. |
Gerald Wang; |
| 939 | Effects of Electric Charge, Dipole Moment, and Molecular Size on The Viscosity of Ionic Liquids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The origin of the viscosity of ionic liquids is often unclear and controversial because our understanding of the local dynamics and collective long-range dynamics remains limited. To address this issue, we developed our Stockmayer-fluid molecular dynamics simulation method for ionic liquids that accounts for the electric polarization at the molecular level. |
Jester Itliong; Amalie Frischknecht; Mark Stevens; Issei Nakamura; |
| 940 | Interplay of Gross and Fine Morphologies of Unstretchable Balloons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study a thin-membraned balloon as a prototypical system that involves a doubly curved gross shape with large amplitude undulations. |
Mengfei He; Vincent Démery; Joseph Paulsen; |
| 941 | Coalescing Clusters Unveil New Regimes of Frictional Fluid Mechanics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our theoretical description of highly frictional coalescence mathematically maps onto Darcy flow in the presence of surface tension effects, opening up exciting avenues of research in applying well-studied fluid dynamical techniques to a broad range of novel systems. |
Haicen Yue; Justin Burton; Daniel Sussman; |
| 942 | Material Constraints Dictate Flow Mechanics in Dense Suspension Rheology Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work provides a powerful framework to encode flow properties in dense suspensions comprising of colloidal and granular materials and has applications ranging from designing flow behavior in household products to better predicting geophysical flows. |
Shravan Pradeep; |
| 943 | Obstructed Swelling and Fracture of Hydrogels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In order to predict which obstacle geometries are likely to prevent or promote fracture, we use finite element simulations to study the stresses that build up during swelling. |
Abigail Plummer; Caroline Adkins; Sujit Datta; Andrej Kosmrlj; |
| 944 | A Bioinspired Folding Approach to Assemble Complex Colloidal Matter Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work presents an entirely new way to assemble colloidal structures and could be used to self-assemble mechanical or optical metamaterials. |
Angus McMullen; Maitane Muñoz Basagoiti; Zorana Zeravcic; Jasna Brujic; |
| 945 | Characterization of A Multivalent Charged Electrolyte Using Electrochemical Method and Electrophoretic NMR Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the present work, we have designed a new electrolyte of a polyanionic lithium salt containing a negative charge of -20, dissolved in ethylene carbonate/dimethyl carbonate mixed solvent. |
Saheli Chakraborty; David Halat; Darby Hickson; Nitash Balsara; |
| 946 | Organic Acid Anion Transport in Imidazolium Ionomers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using 2D NMR (e.g., NOESY) and molecular dynamics simulations, we report imidazolium cations have favorable moiety interactions, such as π-π interactions in the case of aromatic organic acids, that mediate their transport along the polymer backbone. |
Christopher Arges; Yupo Lin; Matthew Jordan; Tanmay Kulkarni; Hishara Gallage Dona; Dodangodage Senadheera; Revati Kumar; |
| 947 | Controlling Complexation Between Anionic Gels and Cationic Antimicrobials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Self-defensive surfaces that resist bacterial colonization have been increasingly studied over the past decade. We have explored such surfaces using microgels of polyacrylic acid (PAA). |
Wenhan Zhao; Matthew Libera; |
| 948 | Ion-ion Correlations in Concentrated Electrolytes Using A Fluctuating Dynamic Field Theory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will describe the results of applying a stochastic kinetic theory approach to concentrated charged systems. |
Patrick Underhill; |
| 949 | Image-charge Effects on Peptide Adsorption Near Graphene/water Interface: A Molecular Dynamics Study Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the adsorption of charged peptide ACE-X-NME on graphene/water interface using molecular dynamics simulations, incorporating image charge particles (ICPs) and constant potential method. |
Lee Sangmin; Chang Yun Son; |
| 950 | Molecular-scale Experimental Characterizations of Multivalent Ion Distributions Near Electrified Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We utilize high resolution x-ray reflectivity and elementally-sensitive resonant anomalous x-ray reflectivity to measure the in situ water and metal ion organization near graphene electrodes. |
Amanda Carr; Seung Eun Lee; Sang Soo Lee; Ahmet Uysal; |
| 951 | Recovery of Fatty Acid Monolayers By Divalent Salts Investigated By Sum-Frequency Generation Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Langmuir monolayers consisting of fatty acids with relatively short alkyl chains (C 14H 29COOH (pentadecanoic acid), C 15H 31COOH (palmitic acid), and C 16H 33COOH (heptadecanoic … |
Doseok Kim; |
| 952 | Ions Salting Out Ions at The Water-Air Interface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Through the interfacial water’s O-H stretch mode signal, we find that more hydrophobic ions are salted out to the interface in the presence of the hydrophilic ions. |
Takakazu Seki; Chun-Chieh Yu; Kuo-Yang Chiang; Xiaoqing Yu; Mischa Bonn; Yuki Nagata; |
| 953 | Depth Resolved Nonlinear Vibrational Spectroscopy A Charged Liquid Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: With our new depth resolved vibrational spectroscopy tool, in which we combine Sum- and Difference-Frequency Generation spectroscopy (SFG and DFG, respectively), we can extract precise depth information within regions with broken centro-symmetry and correlate it to specific vibrational features[1]. |
Alvaro Diaz Duque; Martin Thämer; Martin Wolf; |
| 954 | X-ray Absorption Spectroscopy of Extractant Binding to Rare Earth Ions at Aqueous Surfaces Relevant to Solvent Extraction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This presentation will describe our advancements of synchrotron X-ray absorption spectroscopy to investigate the local coordination of ion-extractant binding at the surface of water, which serves as a model system relevant to the extraction of rare earth ions. |
Erik Binter; Pan Sun; Michael Brown; Artem Gelis; Mrinal Bera; Wei Bu; Mark Schlossman; |
| 955 | Model Solvent Extraction System Confirms Enhancement of Lanthanide Extraction By Bilayer Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have studied solvent extraction of lanthanides from aqueous solutions to organic solvents containing model extractants, and correlated the results to the interfacial structures. |
Yanlin Li; Sangjun Yoo; Pulak Dutta; Travis Douglas; Wei Bu; |
| 956 | Effect of Ion-ion Correlations on The Distribution of Halide Anions (Cl-, Br-, I-) and Rb+ at The Muscovite (001)–water Interface Under High Salinity Conditions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This study is an extension of previous work on adsorption of alkali metal Rb + and halides Cl – and I – on muscovite (001), demonstrating the onset of nonclassical charge overscreening by adsorbed Rb in high salinity solutions (i.e., [Rb] > 0.1 M). |
Julia Neumann; Sang Soo Lee; Eric Zhao; Paul Fenter; |
| 957 | Self-consistent Theory to Describe Charge Inversion and Like-charge Attraction in Multivalent Electrolytes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This does not allow PB to even qualitatively explain the phenomena of charge inversion and like-charge attraction in multivalent electrolytes. Here we present the first rigorous and self-consistent theory to explain them. |
Nikhil R. Agrawal; Rui Wang; |
| 958 | Frank-Read Sources in Nematic Liquid Crystals: Temperature and Strain-Rate Effects Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study an analogous F-R mechanism in nematic liquid crystals, where a pinned disclination segment bows out and generates concentric disclination loops. |
Matthew Deutsch; Cheng Long; Jonathan Selinger; Robin Selinger; |
| 959 | Constructing The Transition Graphs of Interacting Hysterons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a strategy to hierarchically construct all state transition graphs for interacting hysterons. |
Margot Teunisse; |
| 960 | Self Folding Curved Origami Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: In traditional origami facets are connected through rectilinear creases whose angle is actively set by the operator. In a self-folding scenario, setting the folding angle along a … |
Haotian Xiao; Tian Gao; Etienne Reyssat; Benoit Roman; Antonio DeSimone; Tiffany Cheng; Yasaman Tahouni; Ekin Sahin; Dylan Wood; Achim Menges; José Bico; |
| 961 | Morphological Computation – Nonlinear Materials for Nonlinear Control, Sensing and Computation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The underlying idea is to exploit the often nonlinear dynamics of compliant morphologies to implement beneficial functionalities. This includes the physical embodiment of control, sensing, computation and even learning. |
Helmut Hauser; |
| 962 | Micromechanics of Strain Stiffening in Stochastic Network Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we evaluate the origins of strain stiffening and discuss the relative contributions of geometric and constitutive nonlinearities, and of the bending and stretching deformation modes of fibers. |
Md Nishan Parvez; |
| 963 | Effect of Concentration Fluctuations in Active Polar Fluids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our work, we study the effect of fluctuations in the concentration of "extensile" or "pusher" like polar SPPs at small Reynold’s number (Re |
Purnima Jain; |
| 964 | Non-reciprocal Reorientation Mechanism Exhibits Flocking Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: A non-reciprocal alignment interaction [1] that reorient the self-propulsion direction of circular disks along the inter-particle separation and away from the neighboring disks is … |
Soumen Karmakar; Rajaraman Ganesh; |
| 965 | Topological Kinks in Odd Elastic Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However due to inherent instabilities, tailoring the dynamic response of such materials can be difficult. Here we suggest how nonlinearities and topology can help stabilize these dynamics such that robust behavior emerges. |
Jonas Veenstra; |
| 966 | Why Do Clamped Sheets Wrinkle Under Tension ? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: When a rectangular sheet has two opposite edges clamped and pulled apart, it has been well documented that wrinkle appears "as a result of Poisson ratio". The clamping condition indeed prevents the Poisson retraction, but this should generate more tensile stresses (no compression)… Our objective is to provide an intuitive explanation of this phenomenon. |
José Bico; Benoit Roman; Matteo Ciccotti; Julien renaud; ludovic brivady; |
| 967 | Distinguishing Strength from Stability in A Jammed Granular Column with Interstitial Fluid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a low-dimensional ‘phase space’ energy model that outlines contributions to relative strength and stability of a jammed system from both granular structure and interstitial fluids as determined by experimental parameters. |
Jeffrey Olafsen; Mihan McKenna Taylor; Oliver-Denzil Taylor; |