Direct Numerical Simulation of Shear Flow Phenomena on Parallel Vector Computers

  • Andreas Babucke
  • Jens Linn
  • Markus Kloker
  • Ulrich Rist
Conference paper


A new code for direct numerical simulations solving the complete compressible 3-D Navier-Stokes equations is presented. The scheme is based on 6th-order compact finite differences and a spectral ansatz in spanwise direction. A hybrid MPI/shared-memory parallelization is implemented to utilize modern parallel vector computers as provided by HLRS. Domain decomposition and modular boundary conditions allow the application to various problems while keeping a high vectorization for favourable computing performance. The flow chosen for first computations is a mixing layer which may serve as a model flow for the initial part of a jet. The aim of the project is to learn more on the mechanisms of sound generation.


Domain Decomposition Phase Speed Spanwise Direction Linear Stability Theory Spanwise Vorticity 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Andreas Babucke
    • 1
  • Jens Linn
    • 1
  • Markus Kloker
    • 1
  • Ulrich Rist
    • 1
  1. 1.Institute of Aerodynamics and GasdynamicsUniversity of StuttgartStuttgartGermany

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