AEM Seminar: TODAY, November 22nd - Professor H.S Udaykumar, Mechanical Engineering, University of Iowa
Molly Schmitz
Fall 2024 Seminar Series
Abstract: Multi-scale modeling of energetic materials (propellants, explosives, and pyrotechnics) and their sensitivity requires telescoping physics from the nano- and micro- and meso-scales in order to make predictions of their macro-scale response. While atomistic simulations must inform meso-scale models, meso-scale models must provide closure to macro-scale simulations. This talk will highlight the physics at various scales that play a role in the cascade of events that leads from a tiny spark to a massive explosion. In particular, we focus on detonations in condensed phase energetic materials which are typically composites comprised of organic crystals, binders and additives (metals, plasticizers, etc). The state-of-the-art understanding of the physics and modeling of the multi-scale phenomena will be highlighted with special emphasis on the emerging multifarious roles of artificial intelligence in simulation and design of solid composite energetic materials.
Bio: Udaykumar is Roy J. Carver Professor of mechanical engineering and Associate Dean for research, graduate programs and faculty in the college of engineering at the University of Iowa. He received a BTech in Aerospace Engineering from the Indian Institute of Technology (Chennai) and MS and PhD degrees from the University of Florida. He has published over 150 journal papers in varied topic areas of biomedical and mechanical engineering. His research focus is on multi-scale modeling and simulation of a wide range of moving boundary problems in thermomechanical systems, ranging from phase change thermal storage, biomedical applications involving cardiovascular and gastrointestinal mechanics, energetic material dynamics in propulsion and munitions, and multiphase flows at all speeds. He has been supported by grants from NSF, Whitaker Foundation Biomedical Engineering Grant, NIH, VA Research grants and multiple concurrent grants from various DoD agencies.
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