Experimental investigations were conducted on a steel catenary riser (SCR) with different stiffness seafloor models both in dry and wet conditions. The motion oscillator and cell load connect the riser model in a tank, and forced motions with different amplitudes and frequencies were studied. Model tests are conducted in air and a small scale factor (1/435) is used. This model has been built having as reference a riser prototype in 900 m water depth and the numerical analysis is carried out in time domain using the developed CABLE3D. Results demonstrate the influence of the platform in-plane motion on the dynamic response of the riser model, and both of them are consistently good. This study provides a novel and simple experimental tool developed for testing of the SCR global dynamic analysis, and discusses the results including motion response, top tension and dynamic curvature near touchdown zone.


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    Titel :

    Dynamic tests in a steel catenary riser reduced scale model



    Erschienen in:

    Erscheinungsdatum :

    2017




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch



    Klassifikation :

    BKL:    50.92 / 50.92 Meerestechnik / 55.40 / 55.40 Schiffstechnik, Schiffbau



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