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An efficient ADER-DG local time stepping scheme for 3D HPC simulation of seismic waves in poroelastic media

Sebastian Wolf,Martin Galis,Carten Uphoff,Alice-Agnes Gabriel,Peter Moczo,David Gregor,Michael Bader

Journal of Computational Physics（2022）

Cited 4|Views13
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Abstract
•High-order 3D Discontinuous Galerkin simulations of wave propagation in poroelastic media.•Efficient block-wise back-substitution reduces the computational effort up to a factor of 25.•High parallel efficiency with clustered local time stepping up to 400 nodes.
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Key words
Poroelasticity,Discontinuous Galerkin,Wave propagation,High Performance Computing (HPC),Computational seismology,ADER-DG
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