A method, namely ‘Eigen-Graphic’ method, is presented in this paper for predicting the occurrence of the coupled resonance of the coupled motion between two ships. Basically, this idea combines the eigen value solution – and using the graphic method to find the coupled resonance which is quite different from the natural frequency of single ship’s motion. Most of the frequencies of peaks for the coupled motions can be predicted by this method. Ah the hydrodynamic coefficients, the added masses and damping coefficients, are calculated by the integral equation method two-dimensionally, which have been proved to be analytically and experimentally resonable. Therefore the method presented here can be regarded as an effective tool to analyze the phenomena of the coupled resonance. Hopefully it may be applied to the other multi-degree of freedom problem in mechanics.


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    Titel :

    The ‘eigen-graphic’ method for predicting the coupled resonance of the motions between two ships in waves


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1986-04-01


    Format / Umfang :

    6 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Schlagwörter :




    Motions of Moored Ships in Long Waves

    Ligteringen, H. / Moes, J. / Maritime & Port Authority of Singapore | British Library Conference Proceedings | 2001


    Nonlinear rolling motions of ships in longitudinal waves

    Sanchez, N.E. / Nayfeh, A.H. | Tema Archiv | 1991


    On motions of ships at sea

    Weinblum, G. / Denis, M.St. | Engineering Index Backfile | 1950