Browse Publications Technical Papers 2001-26-0041
2001-01-10

Experimental and Hybrid Modeling of the Medium Frequency Behaviour of Car Panels 2001-26-0041

This paper discusses an approach to identify critical car panels and to derive detailed experimental models for these critical panels. The research was conducted in the framework of the Brite/Euram project SALOME and the EUREKA project HOLOMODAL.
The panel identification method is based on a numerical or experimental contribution analysis, assessing the partial noise contributions of individual panels to the interior noise.
The second step in the approach consists of the derivation of detailed modal analysis models for the critical panels. A novel Electronic Speckle Pattern Interferometry (ESPI) system was developed, and integrated in a classical CAE system.
The components of this system are briefly reviewed, and their application to several industrial cases is shown.

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