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A naturally anti-diffusive compressible two phases Kapila model with boundedness preservation coupled to a high order finite volume solver

Article dans une revue avec comité de lecture
Author
SPECKLIN, Mathieu
450379 University of Dublin
ccDELIGANT, Michael
134975 Laboratoire de Dynamique des Fluides [DynFluid]
ccKHELLADI, Sofiane

URI
http://hdl.handle.net/10985/17843
DOI
10.1016/j.compfluid.2015.03.004
Date
2015
Journal
Computers & Fluids

Abstract

This paper presents a two phases flow model combined with a high order finite volume solver on unstructured mesh. The solver is highly conservative and preserves the sharpness of the interface without any reconstruction. Special care has been taken for boundedness preservation, as a high order scheme does not guaranty the boundedness of the volume fraction. The efficiency of the method is demonstrated with two numerical experiments: the simple advection test and the interaction between the shock and a bubble. Although experiments have been carried out with fine mesh, it is also demonstrated that the method allows satisfactory results to be obtained with coarse mesh.

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