Abstract
This paper summarizes our progress in the application and feature development of a high-order discontinuous Galerkin (DG) method for scale resolving fluid dynamics simulations on the Cray XC40 Hazel Hen cluster at HLRS. We present the extension to Chimera grid techniques which allow efficient computations on flexible meshes, and discuss data-based development of subgrid closure terms through machine learning algorithms. We also show the first results of the simulation of a challenging, high Reynolds number supersonic dual nozzle flow.
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Acknowledgements
The research presented in this paper was supported in parts by the Deutsche Forschungsgemeinschaft (DFG), the Boysen Stiftung and the Simtech Cluster of Excellence PN5-21. We truly appreciate the ongoing kind support by HLRS and Cray in Stuttgart.
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Beck, A., Bolemann, T., Flad, D., Krais, N., Zeifang, J., Munz, CD. (2019). Application and Development of the High Order Discontinuous Galerkin Spectral Element Method for Compressible Multiscale Flows. In: Nagel, W., Kröner, D., Resch, M. (eds) High Performance Computing in Science and Engineering ' 18. Springer, Cham. https://doi.org/10.1007/978-3-030-13325-2_18
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