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MEAM Seminar: “Engineering Solutions for Tough Problems in Trauma: From Occlusion Balloons to Decision-Support”

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

Acute hemorrhage and hemorrhagic shock result in approximately 60,000 annual deaths in the United States. The vast majority of these deaths are in severely injured patients, but experts in trauma care believe many of these deaths can actually be prevented. Efforts focused on injury prevention and pre-emptive intervention have produced some improvements in survival. However, […]

CBE Seminar: “Engineering Pathways Across Biological Barriers”

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 […]

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

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 […]

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

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

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”

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”

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 – […]

CBE Seminar: “Antibiotic Discovery by Means of Computers”

Zoom - Email CBE for link

Abstract Until now, the natural world has supplied us with antibiotics. Bacteria, however, are increasingly resistant to these drugs. The next generation of antibiotics will likely come not from nature but from computer-based discovery. Computer-driven approaches have the potential to outperform humans, as demonstrated for pattern recognition of images and text. In order for machines […]

PICS Seminar: “Shock-induced turbulent mixing and interactions with flexible panels through simulations”

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

Two fundamental challenges that arise in the development of air-breathing supersonic combustion ramjet engines (scramjets) for hypersonic flight are: 1) the rapid mixing of fuel and oxidizer that must occur prior to combustion, and 2) the coupling between the engine structure and the flow dynamics. Interactions of shock waves and turbulence that characterize the flow […]