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Anisotropic Closure Model in Mixed Cells

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Abstract

The paper offers a new anisotropic closure model for equations of Lagrangian gas dynamics and elastoplastic in mixed cells containing several components (materials). The model is realized in the EGAK code; and numerical investigations of a method on test problems are conducted. The paper presents full statements of two one-dimensional problems and one two-dimensional problem, as well as a description of the processing technique for the results. The numerical results are compared with the results obtained by another closure model available in the EGAK code and with the analytical solutions. The analysis and discussion of the computational results are presented.

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Authors and Affiliations

  1. Russian Federal Nuclear Center, All-Russian Research Institute of Experimental Physics, Sarov, Nizhny Novgorod oblast, Russia

    Y. V. Yanilkin, O. O. Toporova & V. Yu. Kolobyanin

Authors
  1. Y. V. Yanilkin
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  2. O. O. Toporova
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  3. V. Yu. Kolobyanin
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Corresponding author

Correspondence to Y. V. Yanilkin.

Additional information

Original Russian Text © Y.V. Yanilkin, O.O. Toporova, V.Yu. Kolobyanin, 2017, published in Matematicheskoe Modelirovanie, 2017, Vol. 29, No. 8, pp. 44–58.

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Yanilkin, Y.V., Toporova, O.O. & Kolobyanin, V.Y. Anisotropic Closure Model in Mixed Cells. Math Models Comput Simul 10, 164–175 (2018). https://doi.org/10.1134/S207004821802014X

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  • DOI: https://doi.org/10.1134/S207004821802014X

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