@Penn
Non-Equilibrium Mechanics Laboratory
Fall 2020 picture during zoom group meeting!
Welcome!
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Our research focuses on the development of new theoretical and computational paradigms to understand, predict and design far-from-equilibrium material behavior. Our aim is to retain the physical fidelity of lower scale simulations (e.g., atomistics or mesoscale), while simultaneously enjoy the computational efficiency of continuum models. Towards this goal, we use a highly interdisciplinary approach that combines continuum mechanics, statistical physics, applied mathematics, as well as machine learning and data driven strategies. We further enjoy collaborating with experimental colleagues.
Some physical phenomena of interest include plasticity in metals and disordered media, phase transformations, viscoelasticity, diffusion processes, and wave propagation in metamaterials.
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We are located in the Mechanical Engineering and Applied Mechanics Department at UPenn, within the Penn Institute for Computational Science.
Recent news:​
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Shenglin, Zequn and Bryan's paper "Variational Onsager Neural Networks (VONNs): A thermodynamics-based variational learning strategy for non-equilibrium PDEs" has been accepted in JMPS. Congratulations!
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Travis's paper "Emergence of viscosity and dissipation via stochastic bonds" is now available online in JMPS.
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Shenglin's newest paper "Predicting the unobserved: a statistical mechanics framework for non-equilibrium material response with quantified uncertainty" has been published in JMPS.
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Celia Reina and Steve Fitzgerald (U. Leeds) are co-organizing a symposium at USNC/TAM 2022 on Statistical Physics Techniques in Computational Mechanics
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Weilun Qiu joined our research group. Welcome!
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Celia has upcoming invited talks at various conferences: JETC 2021, MRS 2021, TMS 2022.
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Zequn He joined our research group. Welcome!
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​Bryan's paper: "Dynamic behavior of soft resonant materials: experiments and simulations", joint with Prof. Raney's groups, has now been published in JAP.
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Celia was recently awarded an NSF CAREER award.
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Celia recently co-organized a USACM workshop: "New Trends and Open Challenges in Computational Mechanics: from Nano to Macroscale", jointly with Amartya Banarjee, Nikhil Admal and Michael Ortiz. The recordings from the talks and panel discussions are available on the website.
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Celia is part of the study team for the TMS report: "Accelerating the Broad Implementation of Verification & Validation in Computational Models of the Mechanics of Materials and/or Structures".