Vibro-acoustic analysis of the acoustic-structure interaction of flexible structure due to acoustic excitation

The application of BE–FE acoustic-structure interaction on a structure subject to acoustic load is elaborated using the boundary element–finite element acoustic structural coupling and the utilization of the computational scheme developed earlier. The plausibility of the numerical treatment is inves...

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Bibliographic Details
Published inActa astronautica Vol. 108; pp. 129 - 145
Main Author Djojodihardjo, Harijono
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.03.2015
Subjects
Acoustic coupling
Acoustic-structure interaction
Acoustics
BEM–FEM coupling
Beryllium
Boundary element method
Flexible structures
Mathematical analysis
Mathematical models
Robustness
Vibro-acoustics
Weight reduction
Acoustic-structure interaction
Vibro-acoustics
BEM–FEM coupling
Boundary element method
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ISSN0094-5765
1879-2030
DOI10.1016/j.actaastro.2014.11.026

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Summary:The application of BE–FE acoustic-structure interaction on a structure subject to acoustic load is elaborated using the boundary element–finite element acoustic structural coupling and the utilization of the computational scheme developed earlier. The plausibility of the numerical treatment is investigated and validated through application to generic cases. The analysis carried out in the work is intended to serve as a baseline in the analysis of acoustic structure interaction for lightweight structures. Results obtained thus far exhibit the robustness of the method developed.
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ISSN:0094-5765
1879-2030
DOI:10.1016/j.actaastro.2014.11.026