A two-dimensional finite-element simulation of the wave-induced hydrodynamic uplift force acting on a submarine pipeline buried in sandy seabed sediments subject to continuous loading of sinusoidal surface waves is presented. Neglecting inertia forces, a linear-elastic stress-strain relationship for the soil and Darcy's law for the flow of pore fluid are assumed. The model takes into account the compressibility of both components (i.e., pore fluid and soil skeleton) of the two-phase medium. The results of numerical analysis are presented and discussed with respect to soil and pore fluid parameters where special attention is paid to the question of soil saturation conditions. The meaning of the results is also related to surface wave conditions. As a general conclusion, the practical, engineering recommendation is given in order to make a realistic, safe and economic estimation of the wave-induced uplift force acting on a buried submarine pipeline.


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    Titel :

    Wave-induced uplift force on a submarine pipeline buried in a compressible seabed


    Weitere Titelangaben:

    Die auf eine in einem kompressiblen Meeresboden verlegte Rohrleitung einwirkende welleninduzierte Auftriebskraft


    Beteiligte:
    Magda, W. (Autor:in)

    Erschienen in:

    Ocean Engineering ; 24 , 6 ; 551-576


    Erscheinungsdatum :

    1997


    Format / Umfang :

    26 Seiten, 20 Bilder, 5 Tabellen, 18 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch