The added mass of hull section shapes must be known- in order to carry out any studies of ship motions, which may he associated with either seakeeping or manoeuvring. Determination of the added mass in deep water can involve conformal mapping or surface singularity distributions. However, in shallow water the problem of determining the added mass is made more difficult by the proximity of the seabed. In this paper, three approaches to the problem of finding the added mass of semi-circular sections are explored. Although there is no known exact solution to this problem, the relationships given by the three methods are compared and the approximate nature of the solutions is examined. The first method is a series solution, which is taken here to include more terms than are normally given in the existing literature. The other two solutions are considered to be new, and so are given in some mathematical detail.


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    Titel :

    Calculation of the added mass of circular cylinders in shallow water


    Weitere Titelangaben:

    Berechnung der hydrodynamischen Masse umströmter Kreiszylinder in flachem Wasser


    Beteiligte:
    Clarke, D. (Autor:in)

    Erschienen in:

    Ocean Engineering ; 28 , 9 ; 1265-1294


    Erscheinungsdatum :

    2001


    Format / Umfang :

    30 Seiten, 12 Bilder, 3 Tabellen, 6 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





    Added mass and damping forces on circular cylinders

    Skop, R. / Ramberg, S. / Ferer, K. | Tema Archiv | 1976


    Added mass and damping forces on circular cylinders

    Skop, R.A. / Ramberg, S.E. / Ferer, K.M. | Tema Archiv | 1976



    Shallow water diffraction around multiple large cylinders

    Mingde, S. / Yu, P. | Tema Archiv | 1987