Abstract
This paper presents an overview of the theory and application of the hybrid FE-SEA method. The method provides a rigorous way to model the fully coupled response of a vibro-acoustic system across a broad frequency range using a combination of FE, BEM, and SEA. The theory of the method will be discussed and results from the following applications will be presented: (i) modeling the transmission loss and radiation efficiency of trimmed automotive subassemblies; (ii) creating efficient models of structure-borne noise in an automotive body-in-white; (iii) modeling structure-borne noise transmission in a commercial aircraft fuselage; and (iv) modeling the response of a satellite antenna to broadband acoustic loading.
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