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On the use of the plane wave based method for vibro‐acoustic problems

Soufien Essahbi (Mechanical, Modelling and Manufacturing Unit, National Engineering School of Sfax, Sfax, Tunisia)
Emmanuel Perry‐Debain (Roberval Laboratory, University of Technology of Compiègne, Compiègne, France)
Mohamed Haddar (Mechanical, Modelling and Manufacturing Unit, National Engineering School of Sfax, Sfax, Tunisia)
Lotfi Hammami (Mechanical, Modelling and Manufacturing Unit, National Engineering School of Sfax, Sfax, Tunisia)
Mabrouk Ben Tahar (Roberval Laboratory, University of Technology of Compiègne, Compiègne, France)

Multidiscipline Modeling in Materials and Structures

ISSN: 1573-6105

Publication date: 15 November 2011

Abstract

Purpose

The purpose of this paper is to present the extension of plane wave based method.

Design/methodology/approach

The mixed functional are discretized using enriched finite elements. The fluid is discretized by enriched acoustic element, the structure by enriched structural finite element and the interface fluid‐structure by fluid‐structure interaction element.

Findings

Results obtained show the potentialities of the proposed method to solve a much larger class of wave problems in mid‐ and high‐frequency ranges.

Originality/value

The plane wave based method has previously been applied successfully to finite element and boundary element models for the Helmholtz equation and elastodynamic problems. This paper describes the extension of this method to the vibro‐acoustic problem.

Keywords

Citation

Essahbi, S., Perry‐Debain, E., Haddar, M., Hammami, L. and Ben Tahar, M. (2011), "On the use of the plane wave based method for vibro‐acoustic problems", Multidiscipline Modeling in Materials and Structures, Vol. 7 No. 4, pp. 356-369. https://doi.org/10.1108/15736101111185261

Publisher

:

Emerald Group Publishing Limited

Copyright © 2011, Emerald Group Publishing Limited