A seakeeping analysis in the frequency domain is presented to predict the motion response of an ALV (air-lifted vessel) in waves. The ALV is supported by pressurised air in two separate cushion chambers; the pressure variation in the cushions has a significant effect on the motions of the vessel. The adiabatic gas law is used to couple cushion pressure and the free-surface elevation of water inside the chamber. Attention is focused on the waves generated by the pressure, and a method is presented to compute the corresponding free-surface elevation. New numerical schemes are proposed for calculating the three-dimensional free-surface elevation for the four wave numbers. Numerical results of the free-surface elevation, escape area, escape volume and motion responses of the ALV are provided.


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    Titel :

    A seakeeping analysis method for an air-lifted vessel


    Weitere Titelangaben:

    Eine Seeverhaltens-Analysis-Methode für ein Luftkissenschiff


    Beteiligte:
    Xie, Nan (Autor:in) / Vassalos, D. (Autor:in) / Jasionowski, A. (Autor:in) / Sayer, P. (Autor:in)

    Erschienen in:

    Ocean Engineering ; 35 , 14-15 ; 1512-1520


    Erscheinungsdatum :

    2008


    Format / Umfang :

    9 Seiten, 11 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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