On the long-time behavior of unsplit Perfectly Matched Layers

Eliane Bécache 1 Peter Petropoulos Stephen Gedney
1 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 : This paper shows how to eliminate an undesirable long-time linear growth of the electromagnetic field in a class of unsplit perfectly matched layers (PML) typically used as absorbing boundary conditions in computational electromagnetics codes. For the new PML equations, we give energy arguments that show the fields in the layer are bounded by a time-independent constant, hence they are long-time stable. Numerical experiments confirm the elimination of the linear growth, and the long-time boundedness of the fields.
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Journal articles
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Eliane Bécache, Peter Petropoulos, Stephen Gedney. On the long-time behavior of unsplit Perfectly Matched Layers. IEEE Transactions on Antennas and Propagation, Institute of Electrical and Electronics Engineers, 2004, 52 (5), ⟨10.1109/TAP.2004.827253⟩. ⟨hal-00983551⟩

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