Abstract
This contribution presents the application of the JHh-v2 and JHh-v3 Reynolds-Stress-Model on different test cases with free shear layers. Based on a two-dimensional mixing layer, the need for improvement of the JHh-v2 turbulence model for free shear layers is worked out. An additional sink term within the length-scale equation is implemented and calibrated, resulting in the JHh-v3 model. Simulations of practically relevant test cases with free shear layers are performed using the JHh-v2 and JHh-v3 turbulence models. For comparison, experimental data and results of simulations with the Menter-SST eddy-viscosity model are shown.
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Acknowledgements
The authors gratefully acknowledge the “Bundesministerium für Bildung und Forschung” (BMBF), the “Deutsches Zentrum für Luft- und Raumfahrt” (DLR) and “Rolls-Royce Deutschland” (RRD) who funded parts of this research within the frame of the joint project AeroStruct (funding number 20 A 11 02 E), as well as the “North-German Supercomputing Alliance” (HLRN) for supplying us with computational resources within the project nii00090.
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Landa, T., Cécora, RD., Radespiel, R. (2018). Application of Reynolds-Stress-Models on Free Shear Layers. In: Heinrich, R. (eds) AeroStruct: Enable and Learn How to Integrate Flexibility in Design. AeroStruct 2015. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 138. Springer, Cham. https://doi.org/10.1007/978-3-319-72020-3_12
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DOI: https://doi.org/10.1007/978-3-319-72020-3_12
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