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Events for October 23, 2020

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12:00 PM

SIG Seminar: “Physics-based Animation at Pixar”

October 23 at 12:00 PM - 1:00 PM

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 […]

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2:00 PM

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

October 23 at 2:00 PM - 3:00 PM
Zoom – email Katherine Thompson

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 […]

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

October 23 at 2:00 PM - 3:00 PM
Zoom – email Katherine Thompson

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 […]

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