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Integrated FEM/BEM approach to the dynamic and acoustic analysis of plate structures

Authors
Journal
Engineering Analysis with Boundary Elements
0955-7997
Publisher
Elsevier
Publication Date
Volume
17
Issue
4
Identifiers
DOI: 10.1016/s0955-7997(96)00026-4
Keywords
  • Integrated Fem/Bem
  • Acoustic Analysis
  • Plate Structures
  • Boundary Element Method
Disciplines
  • Musicology
  • Physics

Abstract

Abstract An integrated finite element/boundary element method approach to the prediction of the interior acoustic radiation of open ended box structures is presented. Dynamic response of the structure is predicted in terms of the nodal displacements under sinusoidal point force excitation using the finite element method. Theoretical results obtained in terms of frequency response functions are verified using the results from tests performed on a box structure. The interior acoustic field is then examined by the boundary element method using the boundary conditions obtained from the finite element analysis. Sound pressure levels produced inside the structure are calculated and the results are compared with the experimental measurements.

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