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A Schwarz Waveform Relaxation Method for Advection—Diffusion—Reaction Problems with Discontinuous Coefficients and Non-matching Grids

Abstract : We present a non-overlapping Schwarz waveform relaxation method for solving advection-reaction-diffusion problems in heterogeneous media. The do-main decomposition method is global in time, which permits the use of different time steps in different subdomains. We determine optimal non-local, and optimized Robin transmission conditions. We also present a space-time finite volume scheme es-pecially designed to handle such transmission conditions. We show the performance of the method on an example inspired from nuclear waste disposal simulations.
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https://hal.inria.fr/hal-01111940
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Martin Gander, Laurence Halpern, Michel Kern. A Schwarz Waveform Relaxation Method for Advection—Diffusion—Reaction Problems with Discontinuous Coefficients and Non-matching Grids. Domain Decomposition Methods in Science and Engineering 16, Jan 2005, New-York, United States. ⟨10.1007/978-3-540-34469-8_33⟩. ⟨hal-01111940⟩

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