Direct Numerical Simulation of Shear Flow Phenomena on Parallel Vector Computers

Andreas Babucke (), Jens Linn, Markus Kloker and Ulrich Rist
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Andreas Babucke: University of Stuttgart, Institute of Aerodynamics and Gasdynamics
Jens Linn: University of Stuttgart, Institute of Aerodynamics and Gasdynamics
Markus Kloker: University of Stuttgart, Institute of Aerodynamics and Gasdynamics
Ulrich Rist: University of Stuttgart, Institute of Aerodynamics and Gasdynamics

A chapter in High Performance Computing on Vector Systems, 2006, pp 229-247 from Springer

Abstract: Abstract 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.

Keywords: Domain Decomposition; Phase Speed; Spanwise Direction; Linear Stability Theory; Spanwise Vorticity (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-35074-3_16

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DOI: 10.1007/3-540-35074-8_16

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