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THE FINITE STRIP METHOD FOR ACOUSTIC AND VIBROACOUSTIC PROBLEMS

Laboratori de Càlcul Numèric, E.T.S. d'Enginyers de Camins, Canals i Ports de Barcelona, Universitat Politècnica de Catalunya, Spain

Campus Nord B1, Jordi Girona 1, E-08034 Barcelona, Spain.

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A. RODRÍGUEZ-FERRAN

Laboratori de Càlcul Numèric, E.T.S. d'Enginyers de Camins, Canals i Ports de Barcelona, Universitat Politècnica de Catalunya, Spain

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https://doi.org/10.1142/S0218396X11004456Cited by:8 (Source: Crossref)

Abstract

The finite strip method, widely employed in structural mechanics, is extended to solve acoustic and vibroacoustic problems. The acoustic part of the formulation, including how to handle the most typical acoustic boundary conditions and the fluid structure interaction, is presented. Several realistic problems where the three-dimensional domain of interest has extrusion symmetry are solved. These examples illustrate the advantages of the method: it has smaller computational costs than the finite element method and consequently the analyzed frequency range can be increased.

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