A computerized interior noise prediction method for light aircraft is described. An existing analytical program, development for commercial jets, forms the basis of some modal analysis work which is described. The accuracy of this modal analysis technique for predicting low-frequency coupled acoustic-structural natural frequencies is discussed along with trends indicating the effects of varying parameters such as fuselage length and diameter, structural stiffness, and interior acoustic absorption.


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    Title :

    Prediction of light aircraft interior noise


    Contributors:

    Publication date :

    1976-04-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English


    Keywords :


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