A talk by Amy Graves, professor of physics at Swarthmore College. A reception for Professor Graves will begin at 4:10 p.m., Anderson Lounge area, Wright Lab, second floor.
Abstract: Jamming is a phenomenon that applies both to rice and men, which is to say it applies to inert grains of matter and to thinking creatures. A jam can be frustrating or even lethal, as in situations of people trapped in a crowded venue. A jam can alternatively be beneficial, as in situations when blood cells need to be sorted, or soft robots need to move around. Jamming is an active field in theoretical condensed matter physics, where both rules-based and force-based simulations yield insights that match up well with experiment.
Our group has run C++ simulations of jamming in the presence of fixed obstacles, and a few novel results of this work will be discussed. We will also discuss dynamical simulations that we've written in Easy Java Simulations. These have the advantage of being easy to build, even for the young student who is a novice programmer.
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