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Communication Dans Un Congrès Année : 1999

Reduced Models for Computational Structural Acoustics in the Medium-Frequency Range

Résumé

This paper deals with a method in computational structural acoustics adapted for constructing reduced models in the medium-frequency range to a general three-dimensional dissipative structure consisting of an anisotropic, inhomogeneous, viscoelastic bounded medium coupled with an internal acoustic cavity. The reduced models are obtained using the Ritz-Galerkin method for which the projection subspace corresponds to the dominant eigensubspace of the energy operator of the structure in the medium-frequency band of analysis. A basic example is presented to validate the method, for which the structure and the internal acoustic cavity have a medium-frequency behavior in the frequency band of analysis.
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hal-04514087 , version 1 (21-03-2024)

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Christian Soize. Reduced Models for Computational Structural Acoustics in the Medium-Frequency Range. ASME 1999 International Mechanical Engineering Congress and Exposition, Nov 1999, Nashville, United States. pp.479-485, ⟨10.1115/IMECE1999-0232⟩. ⟨hal-04514087⟩
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