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A Multi-Material CCALE-MOF Approach in Cylindrical Geometry

Published online by Cambridge University Press:  03 June 2015

Marie Billaud Friess
Affiliation:
LUNAM Université, GeM, UMR CNRS 6183, Ecole Centrale Nantes, Université de Nantes, 1 rue de la Noë, BP 92101, 44321 Nantes Cedex 3, France
Jérôme Breil*
Affiliation:
Univ. Bordeaux, CEA, CNRS, CELIA, UMR5107, F-33400 Talence, France
Pierre-Henri Maire
Affiliation:
CEA CESTA, 15 Avenue des Sablières, CS 60001, 33116 Le Barp Cedex, France
Mikhail Shashkov
Affiliation:
Los Alamos National Laboratory, XCP-4, Los Alamos, NM 87545, USA
*
*Corresponding author.Email:breil@celia.u-bordeauxl.fr
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Abstract

In this paper we present recent developments concerning a Cell-Centered Arbitrary Lagrangian Eulerian (CCALE) strategy using the Moment Of Fluid (MOF) interface reconstruction for the numerical simulation of multi-material compressible fluid flows on unstructured grids in cylindrical geometries. Especially, our attention is focused here on the following points. First, we propose a new formulation of the scheme used during the Lagrangian phase in the particular case of axisymmetric geometries. Then, the MOF method is considered for multi-interface reconstruction in cylindrical geometry. Subsequently, a method devoted to the rezoning of polar meshes is detailed. Finally, a generalization of the hybrid remapping to cylindrical geometries is presented. These explorations are validated by mean of several test cases using unstructured grid that clearly illustrate the robustness and accuracy of the new method.

Type
Research Article
Copyright
Copyright © Global Science Press Limited 2014

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