Numerical study of acoustic multiperforated plates

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 elemen...

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Veröffentlicht in:	ESAIM. Proceedings 2012-09, Vol.37, p.166-177
Hauptverfasser:	Bendali, Abderrahmane, Fares, M’Barek, Laurens, Sophie, Tordeux, Sébastien
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustics Approximation Asymptotic expansions Boundary conditions Boundary element method Mathematical analysis Mathematical models Mathematics Numerical Analysis Plates
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description	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.
doi_str_mv	10.1051/proc/201237005
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subjects	Acoustics Approximation Asymptotic expansions Boundary conditions Boundary element method Mathematical analysis Mathematical models Mathematics Numerical Analysis Plates
title	Numerical study of acoustic multiperforated plates
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