Numerical study of acoustic multiperforated plates

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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Beschreibung
Zusammenfassung: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.
ISSN:1270-900X
1270-900X
DOI:10.1051/proc/201237005