Accelerated GPU simulation of compressible flow by the discontinuous evolution Galerkin method |
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| Authors: | B J Block M Luká?ová-Medvid’ová P Virnau L Yelash |
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| Institution: | 1.Institute of Physics,University of Mainz,Mainz,Germany;2.Institute of Mathematics,University of Mainz,Mainz,Germany |
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| Abstract: | The aim of the present paper is to report on our recent results for GPU accelerated simulations of compressible flows. For
numerical simulation the adaptive discontinuous Galerkin method with the multidimensional bicharacteristic based evolution
Galerkin operator has been used. For time discretization we have applied the explicit third order Runge-Kutta method. Evaluation
of the genuinely multidimensional evolution operator has been accelerated using the GPU implementation. We have obtained a
speedup up to 30 (in comparison to a single CPU core) for the calculation of the evolution Galerkin operator on a typical
discretization mesh consisting of 16384 mesh cells. |
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