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PICS Colloquium: “Modeling Assembly of Colloids with Charges and with Mobile Binders”

PICS Large Conference Room – 534 3401 Walnut Street, 5A, Philadelphia, PA, United States

  Speaker: Assistant Professor of Chemistry at New York University   Abstract: In this talk, I will present our recent efforts in probing the physical processes underlying self-assembly of colloidal gels and crystals. Nano-meter to micron sized particles in suspension can be a powerful platform for assembly novel functional materials, but the challenge is to […]

PICS Colloquium: “Micro-organism Locomotion in Viscoelastic Fluids”

PICS Large Conference Room – 534 3401 Walnut Street, 5A, Philadelphia, PA, United States

Speaker: Becca Thomases, Professor of Mathematical Sciences at Smith College Abstract:  Many microorganisms and cells function in complex (non-Newtonian) fluids, which are mixtures of different materials that exhibit both viscous and elastic stresses. For example, mammalian sperm swim through cervical mucus on their journey through the female reproductive tract, and they must penetrate the viscoelastic […]

PICS Colloquium: “MFEM: Accelerating Efficient Solution of PDEs at Exascale”

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Abstract: Upcoming exascale architectures require rethinking of the numerical algorithms used in large-scale PDE-based applications. These architectures favor algorithms, such as high-order finite elements, that expose fine-grain parallelism and maximize the ratio of floating point operations to energy intensive data movement. In this talk we present an overview of MFEM , a scalable library for […]

PICS/MSE Colloquium: “Quantum Simulations for Quantum Technologies” with Giulia Galli

Wu and Chen Auditorium 3330 Walnut St., Philadelphia, PA, United States

Grace Hopper Lecture Position: Giulia Galli, Liew Family Professor, University of Chicago and Argonne National Laboratory Abstract: In this talk, I will describe theoretical and computational strategies based on quantum mechanical calculations, aimed at predicting material properties suitable for the development of quantum technologies. Specifically, I will present results obtained on both classical and near-term […]

PICS Colloquium: “An introduction to neural ODEs in scientific machine learning” with Patrick Kidger

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Speaker: Patrick Kidger, Mathematician at Google X Abstract: This is a quick introduction to neural ODEs for scientific applications. The goal is to (a) provide a modelling tool that enhances the expressivity of existing theory-driven approaches, (b) demonstrate that neural ODEs are easy to use via modern autodifferentiable software, and (c) give enough of the […]

PICS Colloquium: “Exploring the landscape of model representations” with William Noid

PICS Large Conference Room – 534 3401 Walnut Street, 5A, Philadelphia, PA, United States

Speaker: William Noid, Professor of Chemistry at Penn State University Abstract: Many studies adopt low-resolution, coarse-grained (CG) models to investigate polymers, proteins, and other soft materials. These studies must first specify the details that are retained in the low-resolution model, i.e., they must specify the “CG representation.” Unfortunately, the “best” representation for complex systems is […]

PICS Colloquium: “Wall-models of turbulent flows via scientific multi-agent reinforcement learning” with Jane Bae

PICS Large Conference Room – 534 3401 Walnut Street, 5A, Philadelphia, PA, United States

Speaker: Jane Bae, Assistant Professor of Aerospace at Caltech Abstract: The predictive capabilities of turbulent flow simulations, critical for aerodynamic design and weather prediction, hinge on the choice of turbulence models. The abundance of data from experiments and simulations and the advent of machine learning have provided a boost to turbulence modeling efforts. However, simulations […]

PICS Colloquium: “Genetic testing and adverse selection” with Eduardo Azevedo

PICS Large Conference Room – 534 3401 Walnut Street, 5A, Philadelphia, PA, United States

Title: Genetic testing and adverse selection Speaker: Eduardo Azevedo, Professor of Business Economics and Public Policy at Wharton, John M. Bendheim Professor, Thomas L. Bendheim Professor Abstract: Technology is dramatically driving down the cost of sequencing genetic data and increasing the quality of predictions made with this data. A standard concern is that these predictions […]

Richard Remsing profile photo for colloquium

PICS Colloquium: “Modeling Lone Pair Dynamics in Materials” with Richard Remsing

PICS Large Conference Room – 534 3401 Walnut Street, 5A, Philadelphia, PA, United States

Title: Modeling Lone Pair Dynamics in Materials Speaker: Richard Remsing, Assistant Professor of Chemistry and Chemical Biology at Rutgers University Abstract: Materials properties are governed by the structure and dynamics of the bonds between their constituent atoms. In addition to covalent, metallic, and ionic interactions that we typically think about, lone pair electrons can result in […]

Soshi Kawai profile photo for colloquium

PICS Colloquium: “Physics-compatible kinetic-energy and entropy preserving (KEEP) scheme for high-fidelity simulation of compressible turbulence” with Soshi Kawai

PICS Large Conference Room – 534 3401 Walnut Street, 5A, Philadelphia, PA, United States

Title: Physics-compatible kinetic-energy and entropy preserving (KEEP) scheme for high-fidelity simulation of compressible turbulence Speaker: Soshi Kawai, Professor of Aerospace Engineering at Tohoku University Abstract: Low (or ideally zero) numerical dissipation is always critical for high-fidelity scale-resolving flow simulations, as numerical dissipation prevents the physics of inviscid kinetic energy and entropy conservation, which is an […]