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Communication Dans Un Congrès Année : 2005

A New Approximate Godunov Scheme with Application to Dense Gas-Solid Flows

Thierry Gallouët
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Jean-Marc Hérard
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Résumé

We present in this paper a new approximate Godunov solver called WFRoe which aims at enforcing the stability of the approximate Riemann solver VFRoe-ncv. In order to assess the method, we consider extreme situations and thus focus on the computation of some two-phase models which enable to account for flows highly loaded with particles. We show that the new solver WFRoe enables the computation of the propagation of shock waves over near-vacuum, and computes admissible states at each cell interface. Numerical tests confirm the efficiency of the scheme.
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Dates et versions

hal-01583851 , version 1 (03-04-2018)

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Thierry Gallouët, Jean-Marc Hérard. A New Approximate Godunov Scheme with Application to Dense Gas-Solid Flows. 17th AIAA Computational Fluid Dynamics Conference,, Jun 2005, Toronto, Canada. ⟨10.2514/6.2005-4860⟩. ⟨hal-01583851⟩
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