Selective elasto-acoustic modal synthesis by orthogonality criteria applied to vehicle structures
by J.M. Shippen, J.W. Dunn
International Journal of Vehicle Design (IJVD), Vol. 12, No. 2, 1991

Abstract: This paper describes a method for quantitatively ranking the influence of structural modes on the behaviour of a coupled structural/acoustic system. Using this ranking information, a selective structural modal elimination exercise can be undertaken to reduce the model storage requirements and reduce analysis costs. The technique has been proven to be mathematically correct on a simple model and then applied to a vehicle structure, which was correlated to experimental results.

Online publication date: Tue, 27-May-2014

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