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Direct Numerical Simulation of Shear Flow Phenomena on Parallel Vector Computers

In: High Performance Computing on Vector Systems

Author

Listed:
  • Andreas Babucke

    (University of Stuttgart, Institute of Aerodynamics and Gasdynamics)

  • Jens Linn

    (University of Stuttgart, Institute of Aerodynamics and Gasdynamics)

  • Markus Kloker

    (University of Stuttgart, Institute of Aerodynamics and Gasdynamics)

  • Ulrich Rist

    (University of Stuttgart, Institute of Aerodynamics and Gasdynamics)

Abstract

A new code for direct numerical simulations solving the complete compressible 3-D Navier-Stokes equations is presented. The scheme is based on 6th-order compact finite differences and a spectral ansatz in spanwise direction. A hybrid MPI/shared-memory parallelization is implemented to utilize modern parallel vector computers as provided by HLRS. Domain decomposition and modular boundary conditions allow the application to various problems while keeping a high vectorization for favourable computing performance. The flow chosen for first computations is a mixing layer which may serve as a model flow for the initial part of a jet. The aim of the project is to learn more on the mechanisms of sound generation.

Suggested Citation

  • Andreas Babucke & Jens Linn & Markus Kloker & Ulrich Rist, 2006. "Direct Numerical Simulation of Shear Flow Phenomena on Parallel Vector Computers," Springer Books, in: Michael Resch & Thomas Bönisch & Katharina Benkert & Wolfgang Bez & Toshiyuki Furui & Yoshiki Seo (ed.), High Performance Computing on Vector Systems, pages 229-247, Springer.
    • Handle: RePEc:spr:sprchp:978-3-540-35074-3_16
    DOI: 10.1007/3-540-35074-8_16
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