The energy dissipation on the bow structure is calculated during a 'head-on' collision with a rigig body, using finite element analysis. Gerard's Method, ( Gerard, G., 1958. The crippling strength of compression elements. Journal of the Aeronautical Sciences), an empirical approach, is compared with the results produced by the Finite Element Package ABAQUS in terms of velocity, energy and penetrating distance.The energy conservation theorem is applied and the contribution of all individual structural members in terms of elastic and plastic energy is calculated. The strain distribution is shown for those members responsible for the watertightness and structural integrity of structure. The global bending of the upper part of the bow is shown as well as the effect of the total ship mass inertia, phenomena which have not been incorporated into Gerards approach (1958). The final time of rest predicted from both methods is compatible and this validates the reliability of the numerical approach.


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    Titel :

    Energy conservation during a tanker collision


    Weitere Titelangaben:

    Erhaltung der Energie bei einer Tankerkollision


    Beteiligte:
    Glykas, A. (Autor:in) / Das, P.K. (Autor:in)

    Erschienen in:

    Ocean Engineering ; 28 , 4 ; 361-374


    Erscheinungsdatum :

    2001


    Format / Umfang :

    14 Seiten, 10 Bilder, 1 Tabelle, 9 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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