Geometrical stiffening of the panels via rib design are considered due to vehicle design requirement and vibro-acoustic considerations. This paper studies the damping effectiveness of different damping treatments (extensional, shear damping structural damping layer - based on friction and inelastic collision) for flat panels and geometrically stiff panels.This paper considers the significant panel characteristics, damping efficiency of extensional and constraint layer dampers and structural damping layer. The overall vibro-acoustic reduction is measured over the low and medium frequency regions. The damping effectiveness on the panels is characterized by average vibration reduction, and frequency response function (FRF). The in-vehicle damping performance is measured experimentally with vibration excitation on in-vehicle size body panels.


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    Titel :

    Damping Efficiency of Ribbed Panels with Different Damping Materials


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Aggarwal, Anuj (Autor:in) / Khan, Hameed (Autor:in) / Qian, Yang (Autor:in)

    Kongress:

    SAE Noise and Vibration Conference and Exposition ; 1997



    Erscheinungsdatum :

    1997-05-20




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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