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    • CIS Seminar: “Theoretical Reflections on Quantum Supremacy”

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    Zoom - Email CIS for link cherylh@cis.upenn.edu

    The recent demonstration of quantum supremacy by Google is a first step towards the era of small to medium scale quantum computers. In this talk I will explain what the experiment accomplished and the theoretical work it is based on, as well as what it did not accomplish and the many theoretical and practical challenges that remain. I will also describe […]

    PICS Alumni Spotlight: “Whelton Miller”

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    Zoom - Email CIS for link cherylh@cis.upenn.edu

    The PICS alumni Spotlight is an opportunity for students to learn from and network with alumni.

    CBE Seminar: “Engineering Pathways Across Biological Barriers”

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    Zoom - Email CBE for link

    Abstract Engineering pathways across biological barriers is entering a new era with the rapid advancement of computational resources. My research group focuses on developing multi-scale simulation methods to elucidate the interfacial phenomena associated with biological barriers that play a role in life-threatening diseases, such as Alzheimer’s, cancer, and chronic infections. Our goal is to influence […]

    MSE Seminar: “Polymer Informatics: Current Status & Critical Next Steps”

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    The Materials Genome Initiative (MGI) has heralded a sea change in the philosophy of materials design. In an increasing number of applications, the successful deployment of novel materials has benefited from the use of computational, experimental and informatics methodologies. Here, we describe the role played by computational and experimental data generation and capture, polymer fingerprinting, […]

    ESE Seminar: “New Tools for Better Understanding Social Networks”

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    Zoom - Email ESE for Link jbatter@seas.upenn.edu

    We shall examine in our talk concepts and tools for the analysis of social networks. We shall present in particular YouTube and Twitter. For YouTube, we point at shortcomings in ways to measure audience retention and propose new concepts to better quantify desirable properties. We then present a geo-linguistic analysis of Twitter based on daily […]

    SIG Seminar: “Physics-based Animation at Pixar”

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    Pixar's films rely heavily on physically simulated effects such as the motion of hairs, cloth, and water, to cite a few. Whereas physical accuracy is of paramount importance in engineering applications, the most important aspects of feature film productions are directability and speed. In this talk, I'll survey our recent work in this area, including […]

    PICS Colloquium: “Data-driven model reduction and multiscale modal decomposition for complex chaotic systems”

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    Many complex nonequilibrium systems, including turbulent flows, are characterized by chaotic dynamics, a large number of degrees of freedom, and hierarchical, multiscale structure in space and time. In two vignettes, we describe some recent work aimed at developing and applying machine learning and data science tools for systems displaying these characteristics. The first vignette builds […]

    PICS Seminar: “Simulating solids like fluids:  A fully Eulerian approach to fluid-structure interaction”

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    Abstract: Fluids and solids tend to be addressed using distinct computational perspectives.  Solid deformation is most commonly simulated with Lagrangian finite-element methods, whereas fluid flow is amenable to Eulerian-frame approaches such as finite difference and finite volume methods.  Problems that mix fluid and solid behaviors simultaneously present interesting numerical challenges.   Here we focus on […]

    PSOC Webinar: Joel Bader

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    Talk title TBC Physical Sciences in Oncology Center PSOC@Penn Fall 2020 Webinar Series Mondays @ Noon (EST) For webinar links, please contact manu@seas.upenn.edu

    MEAM Seminar: “Data-driven Physics Discovery and Scale Bridging in Materials”

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    Zoom - Email MEAM for Link peterlit@seas.upenn.edu

    In this talk I will provide an overview of our recent work in data-driven methods---mainly machine learning---to enhance computational materials physics models. This body of work has proceeded along two main fronts. The first is system inference, where we seek to identify physical mechanisms via their mathematical signatures as differential or algebraic operators. Our approach […]

    ESE Seminar: “High-Frequency Power Conversion with Wide-Bandgap Semiconductors”

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    Zoom - Email ESE for Link jbatter@seas.upenn.edu

    With the commercialization of wide-bandgap power semiconductors, multi-MHz switching frequencies are more compelling and critical to meet new applications demanding leaps in power density and efficiency. In the past, studies of these converters reported significant gaps between measured and modeled performance, often attributed to dynamic RDS,ON in GaN HEMTs. In particular, the power semiconductors – […]