Results are summarized which show what effects various panel, joint, and ambient air parameters have on damping of panel vibrations which is provided by joints connecting panels to stiffeners or other panels; it is concluded that dissipation of vibratory energy at structurally acceptable multipoint-fastened (riveted, bolted, or spot-welded) joints, at frequencies considerably higher than panel fundamental, is primarily caused by pumping of air produced as adjacent surfaces between fasteners move away from and toward each other; method for estimating damping of built-up panel structures is suggested, based on concept of absorption coefficient of panel discontinuity and on empirical correlations of experimental data; pertinence to aerospace structures, fuselage sections, etc.


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    Titel :

    On panel vibration damping due to structural joints


    Weitere Titelangaben:

    AIAA J


    Beteiligte:
    Ungar, E.E. (Autor:in) / Carbonell, J.R. (Autor:in)

    Erschienen in:

    AIAA Journal ; 4 , n 8


    Erscheinungsdatum :

    1966


    Format / Umfang :

    6 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :



    On panel vibration damping due to structural joints

    Carbonell, J. R. / Ungar, E. E. | NTRS | 1964


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