Abstract
An entropic regularization of the conservative stable discontinuous Galerkin method (DGM) in conservative variables for two-dimensional Euler equations is constructed based on a special slope limiter. This limiter ensures the fulfillment of two-dimensional analogs of the monotonicity conditions and a discrete analog of the entropic inequality. The developed method was tested on two-dimensional model gas-dynamic problems.
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ACKNOWLEDGMENTS
The authors thank the Supercomputer Center of the Research Computing Center of Moscow State University and the Center for Information Technology of the University of Groningen (Netherlands) for the possibility of performing the calculations.
Funding
This study was supported by a grant from the Russian Science Foundation (project no. 21-11-00198).
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Bragin, M.D., Kriksin, Y.A. & Tishkin, V.F. Entropic Regularization of the Discontinuous Galerkin Method in Conservative Variables for Two-Dimensional Euler Equations. Math Models Comput Simul 14, 578–589 (2022). https://doi.org/10.1134/S2070048222040056
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DOI: https://doi.org/10.1134/S2070048222040056