A stationary phase model is used to study supercritical waves generated by high speed ferries. Some general relationships in terms of wave angle, propagation direction, dispersion relationship and depth wavelength relationship are explored and discussed. In particular, it is shown that the wave pattern generated by high speed craft at supercritical speeds depends mainly on the relationship of water depth and ship speed and that the wave patterns are similar in terms of location of crests and troughs for a given depth Froude number. In addition it is found that the far field wave pattern can be described adequately using a single moving point source. The theoretical model compares well with towing tank measurements and full scale data over a range of parameters and hull shapes. The paper also demonstrates that the far field wave pattern at supercritical speeds should be non-dimensionalised by water depth and not hull length unlike it is usually done for subcritical speeds.


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    Titel :

    A description of the stationary wave pattern of a marine craft in shallow and intermediate water depths


    Weitere Titelangaben:

    Eine Beschreibung des stationären Wellenmusters eines Wasserfahrzeuges in Flachwasser und mittleren Wassertiefen


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2012


    Format / Umfang :

    14 Seiten, 14 Bilder, 1 Tabelle, 23 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





    A Description of the Stationary Wave Pattern of a Marine Craft in Shallow and Intermediate Water Depths

    Elsäßer, Björn / Whittaker, Trevor J. T. | Taylor & Francis Verlag | 2012


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