Enhancements to Model-reduced Fluid Simulation

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gerszewski13enhancement.pdf (4.82 MB)

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https://dl.acm.org/citation.cfm?doid=2522628.2522634

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https://doi.org/10.1145/2522628.2522634
 http://hdl.handle.net/11603/14547

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UMBC Computer Science and Electrical Engineering Department

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Date

2013-11-06

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conference proceedings and papers preprints
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Citation of Original Publication

Dan Gerszewski, et.al, Enhancements to Model-reduced Fluid Simulation, Proceeding MIG '13 Proceedings of Motion on Games Pages 223-228 Dublin 2, Ireland , November 06 - 08, 2013, DOI: 10.1145/2522628.2522634

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Subjects

fluid simulation
model reduction
solid-fluid coupling
UMBC Computer Animation Lab

Abstract

We present several enhancements to model-reduced fluid simulation that allow improved simulation bases and two-way solid-fluid coupling. Specifically, we present a basis enrichment scheme that allows us to combine data driven or artistically derived bases with more general analytic bases derived from Laplacian Eigenfunctions. We handle two-way solid-fluid coupling in a time-splitting fashion—we alternately timestep the fluid and rigid body simulators, while taking into account the effects of the fluid on the rigid bodies and vice versa. We employ the vortex panel method to handle solid-fluid coupling and use dynamic pressure to compute the effect of the fluid on rigid bodies.