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Compact Version of the Quasi-Gasdynamic System for Modeling a Viscous Compressible Gas

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Abstract

We consider a compact version (the CQGD system) of the quasi-gasdynamic system. All algorithms that have been used to approximate the spatial derivatives in the Navier–Stokes equations can also be applied to the CQGD system. At the same time, the use of the CQGD system permits significantly improving the stability of explicit schemes, which is important for ensuring high-performance parallel computations. As examples of the use of algorithms based on the CQGD system, we present the results of computations of a laminar boundary layer on a plate and of a hypersonic laminar separated flow in a compression angle.

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Authors and Affiliations

  1. Federal Research Center Keldysh Institute of Applied Mathematics of the Russian Academy of Sciences, Moscow, 125047, Russia

    A. E. Lutskii & B. N. Chetverushkin

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  1. A. E. Lutskii
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  2. B. N. Chetverushkin
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Correspondence to A. E. Lutskii or B. N. Chetverushkin.

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Lutskii, A.E., Chetverushkin, B.N. Compact Version of the Quasi-Gasdynamic System for Modeling a Viscous Compressible Gas. Diff Equat 55, 575–580 (2019). https://doi.org/10.1134/S0012266119040153

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  • DOI: https://doi.org/10.1134/S0012266119040153

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