Statistical Energy Analysis (SEA) method is used to predict Sound Transmission Loss (STL) of sound barrier assemblies (SBA) commonly used in automotive dashmat design. Tests are performed for dashmat plaques with and without design features, and SEA equations have been used for predicting transmission loss with acceptable accuracy below the interception (cavity resonance) frequency. For frequency range higher than interception point, the SEA software used overestimates STL. For dashmat tests with design features, test results and SEA predictions are generally agreeable.


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    Titel :

    Use of Statistical Energy Analysis Method to Predict Sound Transmission Loss of Sound Barrier Assemblies


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Tao, David (Autor:in) / Kathawate, Gururaj (Autor:in) / Liu, Wenlung (Autor:in)

    Kongress:

    Noise & Vibration Conference & Exposition ; 1999



    Erscheinungsdatum :

    17.05.1999




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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