A study has been conducted to determine the noise and vibration effect of inserting a cardboard liner into a thin, circular cross-sectioned, cylindrical shell. The relevance of such a study is to improve the understanding of the effects when a cardboard liner is used in a propeller shaft for noise and vibration control purposes. It is found from the study that the liner adds significant modal stiffness, while an increase in modal mass is also observed for a particular shell type of mode. Further, the study has shown that the additional modal damping provided by the liner is not appropriately modeled by Coulomb friction damping, a damping model often intuitively associated with cardboard materials. Rather, the damping is best modeled as proportional viscous damping.


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    Title :

    Vibration Characteristics of Cardboard Inserts in Shells


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE 2003 Noise & Vibration Conference and Exhibition ; 2003



    Publication date :

    2003-05-05




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Vibration characteristics of cardboard inserts in shells

    Foulkes,M.G. / De Clerck,J.P. / Singh,R. et al. | Automotive engineering | 2003


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