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DiSiVGT: Validation of a novel turbulence model using direct numerical simulation

In: High Performance Computing in Science and Engineering, Garching 2004

Author

Listed:
  • J. Kreuzinger

    (Technische Universität München, FG Strömungsmechanik)

  • J. Jovanović

    (Universität Erlangen, Lehrstuhl für Strömungsmechanik)

  • R. Friedrich

    (Technische Universität München, FG Strömungsmechanik)

Abstract

More reliable turbulence models are urgently needed for the aircraft, automobile and chemical industries. The development of such models needs new concepts and the validation by complete and accurate data sets. In this work a novel Reynolds stress model has been developed based on invariant theory and two-point correlation technique. This model is extensively tested both via a priori and a posteriori testing based on available data sets. For the dissipation rate equation, the existing data suffered from lack of spatial resolution. So highly resolved direct numerical simulations have been carried out to shed more light onto the processes described by that equation. In addition, the novel model was implemented in engineering software, to make the new developments available for technical applications.

Suggested Citation

  • J. Kreuzinger & J. Jovanović & R. Friedrich, 2005. "DiSiVGT: Validation of a novel turbulence model using direct numerical simulation," Springer Books, in: Arndt Bode & Franz Durst (ed.), High Performance Computing in Science and Engineering, Garching 2004, pages 19-30, Springer.
    • Handle: RePEc:spr:sprchp:978-3-540-28555-7_2
    DOI: 10.1007/3-540-28555-5_2
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