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.
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Siegmann, J., Becker, G., Michaelis, J., Schäfer, M. (2013). Efficient Numerical Schemes for Simulation and Optimization of Turbulent Reactive Flows. In: Janicka, J., Sadiki, A., Schäfer, M., Heeger, C. (eds) Flow and Combustion in Advanced Gas Turbine Combustors. Fluid Mechanics and Its Applications, vol 1581. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5320-4_10
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