Investigating the hydrodynamic behaviour of floating bodies, for example regarding wave power absorption or the dynamics of offshore structures, one may need the values of added mass and damping coefficients fo a wide parametric variety of geometrical forms. In order to obtain in an economical way and in a short time all needed values for heaving motion of vertical axisymmetric bodies, a case of practical importance, a suitable computation procedure has been developed. The theoretical results have been compared with experimental model data, in order to verify the accuracy of the numerical values obtained. Graphs of these hydrodynamic coefficients for vertical circular cylinders of various draft-radius ratios, heaving in deep and in shallow water, are given for practical use, as interpolation can be readily done for any other ratio of interest.


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    Title :

    An economical method of determining added mass and damping coefficients of axisymmetric floating bodies in oscillatory heaving motion


    Contributors:

    Published in:

    Publication date :

    1980-09-01


    Size :

    10 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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