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Application of a Novel Turbulence Generator to Multiphase Flow Computations

In: High Performance Computing in Science and Engineering '10

Author

Listed:
  • Christian Huber

    (Universität Stuttgart, Institut für Thermodynamik der Luft- und Raumfahrt)

  • Hassan Gomaa

    (Universität Stuttgart, Institut für Thermodynamik der Luft- und Raumfahrt)

  • Bernhard Weigand

    (Universität Stuttgart, Institut für Thermodynamik der Luft- und Raumfahrt)

Abstract

The application of a novel turbulent inflow generator is presented using a 3D Direct Numerical Simulation (DNS) method. For simulation the in-house 3D CFD program Free Surface 3D (FS3D) is applied, which solves the incompressible Navier Stokes Equations for flows with free surfaces using a Volume-of-Fluid (VOF) technique. Three different numerical setups are presented, demonstrating the wide range of application of the new inflow generator. For chosen cases qualitatively comparisons are made between the new and a former implemented turbulence generator. Another more general focus is put on the high influence of turbulent flow fields on simulation outcomes, which justifies the use of computationally intensive inflow generators. Further, information about the performance on the NEC SX-8 platform, where all the simulations were performed, are revealed.

Suggested Citation

  • Christian Huber & Hassan Gomaa & Bernhard Weigand, 2011. "Application of a Novel Turbulence Generator to Multiphase Flow Computations," Springer Books, in: Wolfgang E. Nagel & Dietmar B. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering '10, pages 273-286, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-15748-6_21
    DOI: 10.1007/978-3-642-15748-6_21
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