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A Conservative Version of the Method of Characteristics with a Floating Grid in Problems of Gas Dynamics

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Abstract

Test calculations of the motion and reflection of individual waves in a long tube have been performed applying newly developed and known schemes with a floating grid. Waves in the corresponding experiment were formed using a specially designed single-cycle generator. The version presented is shown to have a significant advantage in calculation time over the discontinuity decay method, in which the computational grid density must be increased significantly to obtain the desired correspondence with the real wave pattern.

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Authors and Affiliations

  1. Bauman State Technical University, 107005, Moscow, Russia

    Yu. A. Grishin

  2. Institute of Applied Mechanics, Russian Academy of Sciences, Moscow, Russia

    V. N. Bakulin

Authors
  1. Yu. A. Grishin
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  2. V. N. Bakulin
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Corresponding authors

Correspondence to Yu. A. Grishin or V. N. Bakulin.

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Translated by Yu. Sin’kov

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Grishin, Y.A., Bakulin, V.N. A Conservative Version of the Method of Characteristics with a Floating Grid in Problems of Gas Dynamics. Dokl. Phys. 64, 110–113 (2019). https://doi.org/10.1134/S1028335819030066

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  • DOI: https://doi.org/10.1134/S1028335819030066

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