A high-order model for free vibrations of single curved sandwich beams is presented. Linear equations of motion are derived with the help of calculus of variations. Verification of the model is performed for straight beams via a number of asymptotic cases. It is shown that there exist four eigen-modes for straight and curved sandwich beams. The nature of eigen-modes is clarified, and simple theoretical estimations for the eigen-frequencies are obtained. Free vibrations of the simply supported beams are numerically analysed. The developed model finds its use in the context of various applications of curved sandwich structural elements in the high-performance marine vehicles.


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    Title :

    Free vibrations of curved sandwich beams


    Additional title:

    Freie Schwingungen von gekrümmten Trägern in Verbundbauweise


    Contributors:

    Published in:

    Publication date :

    2001


    Size :

    9 Seiten, 8 Bilder, 2 Tabellen, 10 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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