A direct Eulerian GRP scheme for compressible fluid flows

Authors:
Matania Ben-Artzi;Jiequan Li;Gerald Warnecke
Affiliations:
Department of Mathematics, The Hebrew University of Jerusalem, Israel;Department of Mathematics, Capital Normal University, West Ring, Beijing, PR China;Institute for Analysis and Numerics, Otto-von-Guericke University Magdeburg, Germany
Venue:
Journal of Computational Physics
Year:
2006

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Abstract

A direct Eulerian generalized Riemann problem (GRP) scheme is derived for compressible fluid flows. Riemann invariants are introduced as the main ingredient to resolve the generalized Riemann problem (GRP) directly for the Eulerian formulation. The crucial auxiliary Lagrangian scheme in the original GRP scheme is not necessary in the present framework. The delicate sonic cases can be easily treated and the extension to multidimensional cases is obtained using the dimensional splitting technique.