On the coupling of Wave Based models with modally reduced Finite Element models for 3D interior acoustic analysis
نویسنده
چکیده
This paper presents a newly developed hybrid simulation technique for uncoupled acoustic analysis of interior cavities. This method applies a Wave Based model for a large, geometrically simple portion of acoustic cavity. The superficial details of the problem domain are modelled using a modally reduced finite element model. The resulting hybrid model benefits from the computational efficiency of the Wave Based Method, while retaining the Finite Element Method’s ability to model the actual geometry of the problem in great detail. Application of this approach to the analysis of a divergent acoustic cavity shows the improved computational efficiency as compared to classical finite element procedures and illustrates the potential of the hybrid method as a powerful tool for the analysis of three dimensional interior acoustic systems.
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