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High-order absorbing boundary conditions for discontinuous Galerkin time-domain schemes

Axel Modave 1 Jesse Chan 2 Andreas Atle 3 Hewett Russell 3 Tim Warburton 4
1 POEMS - Propagation des Ondes : Étude Mathématique et Simulation
Inria Saclay - Ile de France, UMA - Unité de Mathématiques Appliquées, CNRS - Centre National de la Recherche Scientifique : UMR7231
Abstract : Discontinuous Galerkin finite element schemes exhibit attractive features for large-scale wave-propagation simulations on modern parallel architectures. In order to limit the size of the computational domain, these schemes must be coupled with nonreflective boundary conditions, which remains a challenging task. In this talk, we present a coupling of high-order absorbing boundary conditions with nodal discontinuous Galerkin schemes. Numerical results are proposed to validate both the accuracy and the computational efficiency of the techniques.
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Contributor : Axel Modave <>
Submitted on : Thursday, August 10, 2017 - 2:09:34 PM
Last modification on : Tuesday, June 1, 2021 - 11:06:04 AM


  • HAL Id : hal-01573690, version 1


Axel Modave, Jesse Chan, Andreas Atle, Hewett Russell, Tim Warburton. High-order absorbing boundary conditions for discontinuous Galerkin time-domain schemes. SIAM CSE 2017, Feb 2017, Atlanta, United States. ⟨hal-01573690⟩



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