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Non overlapping Domain Decomposition Methods for Time Harmonic Wave Problems

Xavier Claeys 1 Francis Collino 2 Patrick Joly 2 Emile Parolin 2
2 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 : The domain decomposition method (DDM) initially designed, with the celebrated paper of Schwarz in 1870 as a theoretical tool for partial differential equations (PDEs) has become, since the advent of the computer and parallel computing techniques, a major tool for the numerical solution of such PDEs, especially for large scale problems. Time harmonic wave problems offer a large spectrum of applications in various domains (acoustics, electromagnetics, geophysics, ...) and occupy a place of their own, that shines for instance through the existence of a natural (possibly small) length scale for the solutions: the wavelength. Numerical DDMs were first invented for elliptic type equations (e.g. the Laplace equation), and even though the governing equations of wave problems (e.g. the Helmholtz equation) look similar, standard approaches do not work in general.
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Contributor : Emile Parolin <>
Submitted on : Wednesday, May 12, 2021 - 4:49:45 PM
Last modification on : Wednesday, June 2, 2021 - 4:27:35 PM


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  • HAL Id : hal-03225578, version 1


Xavier Claeys, Francis Collino, Patrick Joly, Emile Parolin. Non overlapping Domain Decomposition Methods for Time Harmonic Wave Problems. 2021. ⟨hal-03225578⟩



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