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A low diffusion MUSCL scheme for LES on unstructured grids

Simone Camarri 1 Maria Vittoria Salvetti Alain Dervieux Bruno Koobus
1 SMASH - Simulation, modeling and analysis of heterogeneous systems
CRISAM - Inria Sophia Antipolis - Méditerranée , Université de Provence - Aix-Marseille 1
Abstract : We are interested in the development of LES methods for compressible flows in complex geometries. Our starting point is a numerical scheme applying to unstructured tetrahedrizations, that is conservative, upwind of MUSCL type and vertex centered. We extend it to a low diffusion version stabilised with six-order derivatives. The new scheme is combined with two LES models, derived from the Smagorinsky model and the dynamic Germano model. The basic test case choosen is the flow around a square cylinder
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https://hal.inria.fr/inria-00072076
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Submitted on : Tuesday, May 23, 2006 - 7:44:15 PM
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Simone Camarri, Maria Vittoria Salvetti, Alain Dervieux, Bruno Koobus. A low diffusion MUSCL scheme for LES on unstructured grids. RR-4512, INRIA. 2002. ⟨inria-00072076⟩

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