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Proceedings Paper

Development and application of holographic modal decomposition techniques to acoustic analysis of vehicle structures
Author(s): Xavier Bohineust; Virginie Linet; Frederic Dupuy
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Paper Abstract

The solution of structural-acoustic problems in vehicle development needs improvement of calculation and experimental dynamic analysis methods. In this aim, new analysis methods based on 1-D and 3-D displacement measurements recorded by pulsed holographic interferometry have been developed. These essentially allow to perform 3-D finite-element model updating, improvement of physical understanding for particular vibration phenomena and analysis of dynamic responses in running conditions. We discuss, in particular, two different original methods which make possible to determine the modal participations in a dynamic response measured in non-steady state conditions. Several research and industrial measurement applications are presented.

Paper Details

Date Published: 1 March 1994
PDF: 12 pages
Proc. SPIE 2004, Interferometry VI: Applications, (1 March 1994); doi: 10.1117/12.172585
Show Author Affiliations
Xavier Bohineust, PSA Peugeot-Citroen (France)
Virginie Linet, PSA Peugeot-Citroen (France)
Frederic Dupuy, PSA Peugeot-Citroen (France)

Published in SPIE Proceedings Vol. 2004:
Interferometry VI: Applications
Ryszard J. Pryputniewicz; Gordon M. Brown; Werner P. O. Jueptner, Editor(s)

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