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High Resolution Direct Numerical Simulation of Homogeneous Shear Turbulence

In: High Performance Computing in Science and Engineering '08

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  • Lipo Wang

    (RWTH-Aachen, Aachen, Institut für Technische Verbrennung)

Abstract

Summary Benefitting from the modern computer technology, Direct numerical simulation (DNS) plays a more and more important role in studying turbulence. To obtain some fine topological structures of turbulent flows, a finer resolution is needed. Because of the better physical properties, larger grid number simulations are more appealing, which, however, become more time-consuming and require more hardware resources. The only method to achieve this is MPI parallelization. In this report presents first some post-processed results for an overall understanding of the physical problem. Then mainly the relevant optimization techniques on NEC SX-8 have been discussed and the reported performance testing showed that the code could run at a reasonable level.

Suggested Citation

  • Lipo Wang, 2009. "High Resolution Direct Numerical Simulation of Homogeneous Shear Turbulence," Springer Books, in: Wolfgang E. Nagel & Dietmar B. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering '08, pages 229-239, Springer.
    • Handle: RePEc:spr:sprchp:978-3-540-88303-6_17
    DOI: 10.1007/978-3-540-88303-6_17
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