| Issue |
ESAIM: Proc.
Volume 37, September 2012
Mathematical and numerical approaches for multiscale problem
|
|
|---|---|---|
| Page(s) | 166 - 177 | |
| DOI | https://doi.org/10.1051/proc/201237005 | |
| Published online | 21 September 2012 | |
Numerical study of acoustic multiperforated plates
1
Toulouse University, INSA-Toulouse, Mathematical Institute of
Toulouse (UMR- CNRS 5219), 135
avenue de Rangueil, F-31077
Toulouse, France,
and Electromagnetism and Acoustics, CERFACS, 42 Avenue Gaspard Coriolis, F-31100
Toulouse
2
Electromagnetism and Acoustics, CERFACS,
42 Avenue Gaspard Coriolis,
F-31100
Toulouse,
France
3
Toulouse University, INSA-Toulouse, Mathematical Institute of
Toulouse (UMR- CNRS 5219), 135
avenue de Rangueil, F-31077
Toulouse,
France
4
Projet Magique 3D, INRIA Bordeaux Sud-Ouest and LMA - UMR CNRS
5142, Université de Pau et des Pays de l’Adour,
France
It is rather classical to model multiperforated plates by approximate impedance boundary conditions. In this article we would like to compare an instance of such boundary conditions obtained through a matched asymptotic expansions technique to direct numerical computations based on a boundary element formulation in the case of linear acoustic.
© EDP Sciences, SMAI 2012
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