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Efficient Numerical Schemes for Simulation and Optimization of Turbulent Reactive Flows

  • J. SiegmannEmail author
  • G. Becker
  • J. Michaelis
  • M. Schäfer
Chapter
Part of the Fluid Mechanics and Its Applications book series (FMIA, volume 1581)

Abstract

An approach for the efficient simulation and optimization of turbulent reactive flow problems is presented. A gradient-based optimization strategy is employed involving a parallel multigrid solver for the flow and sensitivity equations. The geometry variation is realized using NURBS surfaces providing a large scale of possible deformations with a small number of design variables. The sensitivity-based computation of the gradient of the objective function is systematically verified by comparisons with finite-difference approximations. The efficiency of the multigrid method and the parallelization is investigated. The functionality of the optimization approach is illustrated by results for representative test cases.

Keywords

Optimization Continuous sensitivity equation NURBS Multigrid Parallelization 

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • J. Siegmann
    • 1
    Email author
  • G. Becker
    • 1
  • J. Michaelis
    • 1
  • M. Schäfer
    • 1
  1. 1.Institute for Numerical Methods in Mechanical Engineering, Mechanical EngineeringTechnische Universität DarmstadtDarmstadtGermany

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