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Direct Numerical Simulation of Inelastic Non-Newtonian Jet Breakup

In: High Performance Computing in Science and Engineering ‘13

Author

Listed:
  • Chengxiang Zhu

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

  • Moritz Ertl

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

  • Christian Meister

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

  • Philipp Rauschenberger

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

  • Andreas Birkefeld

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

  • Bernhard Weigand

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

Abstract

Direct Numerical Simulations (DNS) based on the Volume of Fluid (VOF) method are carried out in this work, with the aim of analyzing the primary breakup of an inelastic non-Newtonian jet. Detailed description of the jet phenomena is provided firstly, followed by analysis on the generation of ligaments and droplets. The non-Newtonian characteristics of the jet are discussed as well, with a modified Ostwald de Waele model applied for the computation of the shear thinning liquid viscosity. Further, information about the current status of the MPI optimization regarding the Cray XE6 platform is revealed and a first performance analysis is presented.

Suggested Citation

  • Chengxiang Zhu & Moritz Ertl & Christian Meister & Philipp Rauschenberger & Andreas Birkefeld & Bernhard Weigand, 2013. "Direct Numerical Simulation of Inelastic Non-Newtonian Jet Breakup," Springer Books, in: Wolfgang E. Nagel & Dietmar H. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering ‘13, edition 127, pages 321-335, Springer.
    • Handle: RePEc:spr:sprchp:978-3-319-02165-2_22
    DOI: 10.1007/978-3-319-02165-2_22
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