Low-frequency interior noise in the automobile passenger compartment can be significantly affected by the vibration behavior of the body panels which surround the enclosed cavity. This paper reviews a finite element method for computing panel-excited interior noise and outlines an approach for identifying potentially noisy panels adjacent to the passenger compartment. To illustrate the potential of the analytical method, it is applied to a production automobile. A structural modification suggested by the procedure is shown to significantly reduce the low-frequency interior noise to which the occupant is exposed. Experimental verification of the method is presented.


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    Title :

    Automobile Interior Noise Reduction Using Finite Element Methods


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1978 Automotive Engineering Congress and Exposition ; 1978



    Publication date :

    1978-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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