Discontinuous Galerkin for High Performance Computational Fluid Dynamics

Muhammed Atak (), Andrea Beck (), Thomas Bolemann (), David Flad (), Hannes Frank (), Florian Hindenlang () and Claus-Dieter Munz ()
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Muhammed Atak: Universität Stuttgart, Institute of Aerodynamics and Gasdynamics
Andrea Beck: Universität Stuttgart, Institute of Aerodynamics and Gasdynamics
Thomas Bolemann: Universität Stuttgart, Institute of Aerodynamics and Gasdynamics
David Flad: Universität Stuttgart, Institute of Aerodynamics and Gasdynamics
Hannes Frank: Universität Stuttgart, Institute of Aerodynamics and Gasdynamics
Florian Hindenlang: Universität Stuttgart, Institute of Aerodynamics and Gasdynamics
Claus-Dieter Munz: Universität Stuttgart, Institute of Aerodynamics and Gasdynamics

A chapter in High Performance Computing in Science and Engineering ‘14, 2015, pp 499-518 from Springer

Abstract: Abstract Within the scope of this report, we discuss high-order CFD simulations on the HLRS CRAY XE6 cluster. Our discontinuous Galerkin based simulation framework is tailored for high performance computing aiming at solving large scale problems. We demonstrate and analyze the HPC capabilities of the framework for an unstructured grid and present Direct Numerical Simulations and Large Eddy Simulations of compressible unsteady and turbulent flows. The investigated cases include aeroacoustic sound generation on an airfoil, high-speed compressible turbulent boundary layer flow and decaying turbulence for LES modelling development. The simulations were performed on up to 8,000 cores on the CRAY XE6 cluster exploiting the high parallel efficiency of the code.

Keywords: Large Eddy Simulation; Direct Numerical Simulation; Turbulent Boundary Layer; Domain Decomposition; Discontinuous Galerkin (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-319-10810-0_33

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DOI: 10.1007/978-3-319-10810-0_33

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