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Parallel Solutions of Parametric Problems in Gas Dynamics Using DVM/DVMH Technology

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Abstract

This paper investigates the effectiveness of the DVM/DVMH technology as applied to the parallel solution of parametric problems in gas dynamics. The solution of these problems is based on the construction of a generalized computational experiment, which involves multiple solutions of the problem with the variation of its key parameters. This approach is efficient only when using parallel technologies, which make it possible to organize the concurrent solution of the problem with various input data in multitasking mode. We conducted a series of numerical experiments to solve one-dimensional and two-dimensional parametric problems of gas dynamics by varying the number of computational nodes, their parameters, and graphics coprocessors connected. The computational results for these test problems in the form of efficiency and speedup estimates are presented.

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Funding

This work was supported by the Russian Science Foundation, project no. 18-11-00215.

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Authors and Affiliations

  1. Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Miusskaya pl. 4, 125047, Moscow, Russia

    A. E. Bondarev, V. A. Galaktionov & A. E. Kuvshinnikov

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  1. A. E. Bondarev
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  2. V. A. Galaktionov
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  3. A. E. Kuvshinnikov
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Correspondence to A. E. Bondarev, V. A. Galaktionov or A. E. Kuvshinnikov.

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Translated by Yu. Kornienko

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Bondarev, A.E., Galaktionov, V.A. & Kuvshinnikov, A.E. Parallel Solutions of Parametric Problems in Gas Dynamics Using DVM/DVMH Technology. Program Comput Soft 46, 176–182 (2020). https://doi.org/10.1134/S0361768820030032

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  • DOI: https://doi.org/10.1134/S0361768820030032

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