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Low- and medium-frequency vibroacoustic analysis of complex structures using a statistical computational model and an energy density field formulation.

Abstract : In this paper, we present an energy density field approach for low- and medium-frequency vibroacoustic analysis of complex structures using a statistical computational model. The theory presented is adapted to a structure consisting of an automotive vehicle coupled with its internal cavity. The objective of this paper is to take advantage of the statistical properties of the frequency response functions observed from previous experimental and numerical experiences. In this approach, the matrix-valued frequency response function is expressed in terms of a dimensionless matrix which is estimated using the vibroacoustic computational model and the proposed energy method. Using these dimensionless matrix-valued frequency response function a simplified vibroacoustic model is proposed.
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https://hal-upec-upem.archives-ouvertes.fr/hal-00686145
Contributor : Christian Soize <>
Submitted on : Saturday, April 7, 2012 - 8:16:29 PM
Last modification on : Thursday, March 19, 2020 - 11:52:03 AM
Long-term archiving on: : Sunday, July 8, 2012 - 2:21:34 AM

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M. Kassem, Christian Soize, L. Gagliardini. Low- and medium-frequency vibroacoustic analysis of complex structures using a statistical computational model and an energy density field formulation.. International Conference on Noise and Vibration Engineering, Katholieke Univ Leuven, Sep 2008, Leuven, Belgium. pp.Pages: 3849-3861. ⟨hal-00686145⟩

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