Issue |
Eur. Phys. J. Appl. Phys.
Volume 64, Number 2, November 2013
Numelec 2012
|
|
---|---|---|
Article Number | 24502 | |
Number of page(s) | 6 | |
Section | Physics of Energy Transfer, Conversion and Storage | |
DOI | https://doi.org/10.1051/epjap/2013120447 | |
Published online | 06 November 2013 |
https://doi.org/10.1051/epjap/2013120447
An optimum PML for scattering problems in the time domain*
1
Department of Electrical Engineering and Computer Science (Institut Montéfiore), Université de Liège, Grande Traverse 10, 4000
Liège, Belgium
2
Laboratoire de Génie Électrique de Paris, UMR 8507 CNRS, Supelec, Universities Paris VI and Paris XI, 11 rue Joliot Curie, 91192
Gif-sur-Yvette, France
3
Institute of Mechanics, Materials and Civil Engineering (iMMC), Université Catholique de Louvain-la-Neuve, avenue George Lemaître 4-6, 1348
Louvain-la-Neuve, Belgium
4
Department of Aerospace and Mechanical Engineering, Université de Liège, Grande Traverse 12, 4000
Liège, Belgium
a e-mail: a.modave@ulg.ac.be
Received:
5
October
2012
Revised:
30
November
2012
Accepted:
2
January
2013
Published online:
6
November
2013
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.
© EDP Sciences, 2013
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