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L infini-stability of vertex-based MUSCL finite volume schemes on unstructured grids; simulation of incompressible flows with high density ratios

Thierry Goudon 1 Emile Chane-Kane 1 Emmanuel Creusé 1 Caterina Calgaro 1
1 SIMPAF - SImulations and Modeling for PArticles and Fluids
LPP - Laboratoire Paul Painlevé - UMR 8524, Inria Lille - Nord Europe
Abstract : This work is devoted to the design of multi-dimensional finite volume schemes for solving transport equations on unstructured grids. In the framework of MUSCL vertex-based methods we construct numerical fluxes such that the local maximum property is guaranteed under an explicit Courant-Friedrichs-Levy condition. The method can be naturally completed by adaptive local mesh refinements and it turns out that the mesh generation is less constrained than when using the competitive cell-centered methods. We illustrate the effectiveness of the scheme by simulating variable density incompressible viscous flows. Numerical simulations underline the theoretical predictions and succeed in the computation of high density ratio phenomena such as a water bubble falling in air.
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Submitted on : Monday, August 3, 2009 - 1:43:52 PM
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Thierry Goudon, Emile Chane-Kane, Emmanuel Creusé, Caterina Calgaro. L infini-stability of vertex-based MUSCL finite volume schemes on unstructured grids; simulation of incompressible flows with high density ratios. Journal of Computational Physics, Elsevier, 2010, 229 (17), pp.6027-6046. ⟨10.1016/j.jcp.2010.04.034⟩. ⟨inria-00408770⟩

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