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An optimum PML for scattering problems in the time domain

Abstract : In electromagnetic compatibility, scattering problems are defined in an infinite spatial domain, while numerical techniques such as finite element methods require a computational domain that is bounded. The perfectly matched layer (PML) is widely used to simulate the truncation of the computational domain. However, its performance depends critically on an absorption function. This function is generally tuned by using case-dependent optimization procedures. In this paper, we will present some efficient functions that overcome any tuning. They will be compared using a realistic scattering benchmark solved with the Discontinuous Galerkin method.
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Contributor : Thierry Leblanc Connect in order to contact the contributor
Submitted on : Wednesday, January 15, 2014 - 4:27:07 PM
Last modification on : Friday, February 18, 2022 - 3:37:12 AM

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Axel Modave, Abelin Kameni Ntichi, Jonathan Lambrechts, Lionel Pichon, Christophe Geuzaine. An optimum PML for scattering problems in the time domain. European Physical Journal: Applied Physics, EDP Sciences, 2013, 64 (2), pp.24502-24508. ⟨10.1051/epjap/2013120447⟩. ⟨hal-00931730⟩



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