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Simulation of shock-body interactions using the Runge–Kutta discontinuous Galerkin method with adaptive mesh refinement implemented on graphic accelerators

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Published under licence by IOP Publishing Ltd
, , Citation B A Korneev et al 2021 J. Phys.: Conf. Ser. 1787 012042 DOI 10.1088/1742-6596/1787/1/012042

1742-6596/1787/1/012042

Abstract

In this paper, a numerical scheme for solving the equations of the dynamics of a compressible fluid, based on the Runge–Kutta discontinuous Galerkin (RKDG) method and an adaptively refined cubic mesh (AMR), is applied to the problems of shock interaction with solid and liquid obstacles. Features of effective implementation algorithm for the graphic processors (GPU) are described. Several well-known validation test problems are considered. Results of full detailed three-dimensional simulations of the shock with the gas or fluid bubble using the developed GPU–RKDG–AMR solver are presented.

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10.1088/1742-6596/1787/1/012042