In order to quantify the uncertainty due to stochastic input in computer fluid dynamic simulations, researchers from the Institute of Aerodynamics and Gas Dynamics developed an Uncertainty Quantification framework and applied it to direct noise computations of aeroacoustic cavity flows. Simulations have been performed with the discontinuous Galerkin spectral element method on HLRS's Hazel Hen system. The aim of this investigation is to gain insight into the sensitivity of uncertain input with respect to the acoustic results and to get a reliable comparison between numerical and experimental results.
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1 Institute of Aerodynamics and Gas Dynamics, University of Stuttgart 2 Institute of Applied Analysis and Numerical Simulation, University of Stuttgart
Computational & Scientific Engineering
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