Obliquely incident wave interaction with a floating rigid pontoon breakwater, consisting of triple vertical-porous-membrane structures, was investigated within the context of two-dimensional linear wave-flexible body interaction theory and Darcy’s Law The tensions in the triple membranes are achieved by hanging a heavy clump weight from the lower ends. The floating pontoon and flexible structures with clump weight are partially restrained by linear symmetric mo orings, placed both fore and aft. The dynamic behavior of the breakwater was described through an appropriate Green function, and the fluid domains are incorporated into the boundary in tegral equation. The accuracy and convergence of the developed numerical code were checked using the energy convergence formula for a limited case. The numerical results were further verified through comparisons with the experimental data. It is found that the wave reflection and transmission properties of the structures are primarily dependent upon the membrane length, which is taking a major fraction of the water column. It is also found that they are affected by the magnitude of the tension on the membrane due to the clump weight, proper mooring types and stiffness, and the permeability on the membrane that is dissipating the wave energy.


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    Titel :

    Floating pontoon-membrane breakwater in the oblique seas


    Weitere Titelangaben:

    KSCE J Civ Eng


    Beteiligte:
    Kee, Sung Tai (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.07.2005


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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