Regional Time Stepping for SPH

Prashant Goswami 1, * Christopher Batty 2
* Corresponding author
1 MAVERICK - Models and Algorithms for Visualization and Rendering
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, INPG - Institut National Polytechnique de Grenoble
Abstract : This paper presents novel and efficient strategies to spatially adapt the amount of computational effort applied based on the local dynamics of a free surface flow, for classic weakly compressible SPH (WCSPH). Using a convenient and readily parallelizable block-based approach, different regions of the fluid are assigned differing time steps and solved at different rates to minimize computational cost. We demonstrate that our approach can achieve about two times speed-up over the standard method even in highly dynamic scenes.
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Prashant Goswami, Christopher Batty. Regional Time Stepping for SPH. Eurographics 2014, Apr 2014, Strasbourg, France. pp.45-48, ⟨10.2312/egsh.20141011⟩. ⟨hal-00980592⟩

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