A Parallel CFD Solver Using the Discontinuous Galerkin Approach

Christian Lübon (), Manuel Keßler and Siegfried Wagner
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Christian Lübon: Universität Stuttgart, Institut für Aerodynamik und Gasdynamik
Manuel Keßler: Universität Stuttgart, Institut für Aerodynamik und Gasdynamik
Siegfried Wagner: Universität Stuttgart, Institut für Aerodynamik und Gasdynamik

A chapter in High Performance Computing in Science and Engineering, Garching/Munich 2007, 2009, pp 291-302 from Springer

Abstract: Abstract In this paper a numerical solution method for the compressible Navier-Stokes (NS) as well as the Reynolds-averaged NS equations, based on the Discontinuous Galerkin (DG) space discretization, is presented. In order to close the Reynolds-averaged Navier-Stokes (RANS) system we use the Spalart-Allmaras or the Wilcox k-ω turbulence model. The paper includes some details of the code implementation. The excellent parallelization characteristics of the scheme are demonstrated, achieved by hiding communication latency behind computation, and some results are shown, like flows past a sphere and a classical airfoil.

Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-69182-2_23

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DOI: 10.1007/978-3-540-69182-2_23

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