Two-dimensional and three-dimensional approximate hydroelasticity theories are used to predict the dynamic response of 5- and 16-module very largefloating structures in regular waves. For the two-dimensional approach, strip theory is combined with a beam model of the structure to determine the dynamic response. However, the fluid forces from strip theory are augmented with "surge" forces calculated from Morison's equation. For the three-dimensional approach, a rigid module, flexible connector structural modelis used with fluid loading obtained with the three-dimensional double composite source distribution technique. Fluid-structure interaction effects are studied and connector moments are obtained. These approximate methods of hydroelastic analysis offer alternatives to the more computationally demanding, fully three-dimensional flexible module, flexible connector modelin which linear potential theory is used.


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    Title :

    Approximate methods for dynamic response of multi-module floating structures


    Additional title:

    Naeherungsmethoden zur Ermittlung des dynamischen Verhaltens von schwimmenden Mehrfach-Modul-Konstruktionen


    Contributors:
    Riggs, H.R. (author) / Ertekin, R.C. (author)

    Published in:

    Marine Structures ; 6 , 2/3 ; 117-141


    Publication date :

    1993


    Size :

    25 Seiten, 8 Bilder, 2 Tabellen, 34 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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