Abstract
A hybrid method for a fully coupled determination of aerodynamic sound is introduced. From the instantaneous velocity and vorticity, determined by approximate solutions of the Navier-Stokes equations, acoustic source terms are obtained, which are plugged into the acoustic perturbation equations being solved with a high-order discontinuous Galerkin method. The coupling method is discussed in detail and results of validation tests of the aeroacoustics solver are presented.
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Acknowledgments
This work has been performed with the support from the JARA-HPC SimLab Fluids & Solids Engineering of the RWTH Aachen University and the Forschungszentrum Jülich. The authors would also like to thank Onur Cetin, Hsun-Jen Cheng, and Lev Liberson for fruitful discussions.
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Schlottke-Lakemper, M., Meinke, M., Schröder, W. (2016). A Hybrid Discontinuous Galerkin-Finite Volume Method for Computational Aeroacoustics. In: Dillmann, A., Heller, G., Krämer, E., Wagner, C., Breitsamter, C. (eds) New Results in Numerical and Experimental Fluid Mechanics X. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 132. Springer, Cham. https://doi.org/10.1007/978-3-319-27279-5_65
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DOI: https://doi.org/10.1007/978-3-319-27279-5_65
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