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Parallel CFD-Algorithm on Unstructured Adaptive Meshes

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Abstract

A parallel CFD-algorithm (an algorithm for modeling spatial gas-dynamic flows) on mixed locally adaptive meshes with elements of the tetrahedron, prism, pyramid, and hexahedron type is presented. The algorithm is based on a finite-volume method for modeling the system of Navier–Stokes equations of increased order of accuracy with the polynomial reconstruction of variables and explicit integration over time. The distributed algorithm for heterogeneous computing systems is developed using the MPI, OpenMP, and CUDA programming models. Numerical results for supersonic flows and the parameters of the software’s efficiency are presented.

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Funding

This study was financially supported by the Russian Science Foundation (project no. 19-11-00299). The calculations were carried out on supercomputers of the Shared Use Center, Keldysh Institute of Applied Mathematics, Russian Academy of Sciences.

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  1. Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, 125047, Moscow, Russia

    S. A. Soukov

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  1. S. A. Soukov
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Correspondence to S. A. Soukov.

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Soukov, S.A. Parallel CFD-Algorithm on Unstructured Adaptive Meshes. Math Models Comput Simul 14, 19–27 (2022). https://doi.org/10.1134/S2070048222010197

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