A domain decomposition method for linearized Boussinesq-type equations

Abstract : In this paper, we derive discrete transparent boundary conditions for a class of linearized Boussinesq equations. These conditions happen to be non-local in time and we test numerically their accuracy with a Crank-Nicolson time-discretization on a staggered grid. We use the derived transparent boundary conditions as interface conditions in a domain decomposition method, where they become local in time. We analyze numerically their efficiency thanks to comparisons made with other interface conditions.
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https://hal.inria.fr/hal-01797823
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Submitted on : Thursday, September 12, 2019 - 11:16:49 AM
Last modification on : Wednesday, October 16, 2019 - 2:48:40 PM

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  • HAL Id : hal-01797823, version 2

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Joao Guilherme Caldas Steinstraesser, Gaspard Kemlin, Antoine Rousseau. A domain decomposition method for linearized Boussinesq-type equations. Journal of Mathematical Study, Global Science Press, 2019, pp.1 - 22. ⟨hal-01797823v2⟩

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