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Highly Efficient and Scalable Software for the Simulation of Turbulent Flows in Complex Geometries

In: High Performance Computing in Science and Engineering '11

Author

Listed:
  • Daniel F. Harlacher

    (RWTH Aachen University, Applied Supercomputing in Engineering, German Research School for Simulation Sciences)

  • Sabine Roller

    (RWTH Aachen University, Applied Supercomputing in Engineering, German Research School for Simulation Sciences)

  • Florian Hindenlang

    (Universität Stuttgart, Institut für Aerodynamik und Gasdynamik)

  • Claus-Dieter Munz

    (Universität Stuttgart, Institut für Aerodynamik und Gasdynamik)

  • Tim Kraus

    (Robert Bosch GmbH)

  • Martin Fischer

    (Robert Bosch GmbH)

  • Koen Geurts

    (RWTH Aachen University, Chair of Fluid Mechanics and Institute of Aerodynamics)

  • Matthias Meinke

    (RWTH Aachen University, Chair of Fluid Mechanics and Institute of Aerodynamics)

  • Tobias Klühspies

    (Trumpf Werkzeugmaschinen GmbH + Co. KG)

  • Volker Metsch

    (Trumpf Werkzeugmaschinen GmbH + Co. KG)

  • Katharina Benkert

    (Höchstleistungsrechenzentrum Stuttgart (HLRS))

Abstract

This paper investigates the efficiency of simulations for compressible turbulent flows with noise generation in complex geometries. It analyzes two different approaches and their suitability with respect to quality as well as turn around times required in industrial DoE processes. One approach makes use of a high order discontinuous Galerkin scheme. The efficiency of high order schemes on coarser meshes is compared to lower order schemes on finer meshes. The second approach is a 2nd order Finite Volume scheme, which employs a zonal coupling of LES and RANS to enhance efficiency in turbulence simulation. The schemes are applied to three industrial test cases which are described. Difficulties on HPC systems, especially load-balancing, MPI and IO, are pointed out and solutions are presented.

Suggested Citation

  • Daniel F. Harlacher & Sabine Roller & Florian Hindenlang & Claus-Dieter Munz & Tim Kraus & Martin Fischer & Koen Geurts & Matthias Meinke & Tobias Klühspies & Volker Metsch & Katharina Benkert, 2012. "Highly Efficient and Scalable Software for the Simulation of Turbulent Flows in Complex Geometries," Springer Books, in: Wolfgang E. Nagel & Dietmar B. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering '11, edition 127, pages 289-307, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-23869-7_22
    DOI: 10.1007/978-3-642-23869-7_22
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