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Application and Development of the High Order Discontinuous Galerkin Spectral Element Method for Compressible Multiscale Flows

In: High Performance Computing in Science and Engineering ' 18

Author

Listed:
  • Andrea Beck

    (University of Stuttgart, Institute of Aerodynamics and Gasdynamics)

  • Thomas Bolemann

    (University of Stuttgart, Institute of Aerodynamics and Gasdynamics)

  • David Flad

    (University of Stuttgart, Institute of Aerodynamics and Gasdynamics)

  • Nico Krais

    (University of Stuttgart, Institute of Aerodynamics and Gasdynamics)

  • Jonas Zeifang

    (University of Stuttgart, Institute of Aerodynamics and Gasdynamics)

  • Claus-Dieter Munz

    (University of Stuttgart, Institute of Aerodynamics and Gasdynamics)

Abstract

This paper summarizes our progress in the application and feature development of a high-order discontinuous Galerkin (DG) method for scale resolving fluid dynamics simulations on the Cray XC40 Hazel Hen cluster at HLRS. We present the extension to Chimera grid techniques which allow efficient computations on flexible meshes, and discuss data-based development of subgrid closure terms through machine learning algorithms. We also show the first results of the simulation of a challenging, high Reynolds number supersonic dual nozzle flow.

Suggested Citation

  • Andrea Beck & Thomas Bolemann & David Flad & Nico Krais & Jonas Zeifang & Claus-Dieter Munz, 2019. "Application and Development of the High Order Discontinuous Galerkin Spectral Element Method for Compressible Multiscale Flows," Springer Books, in: Wolfgang E. Nagel & Dietmar H. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering ' 18, pages 291-307, Springer.
    • Handle: RePEc:spr:sprchp:978-3-030-13325-2_18
    DOI: 10.1007/978-3-030-13325-2_18
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