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


    Beteiligte:
    Bai, Xinglan (Autor:in) / Vaz, Murilo A. (Autor:in) / Morooka, Celso K. (Autor:in) / Xie, Yonghe (Autor:in)

    Erschienen in:

    Ships and Offshore Structures ; 12 , 8 ; 1064-1076


    Erscheinungsdatum :

    17.11.2017


    Format / Umfang :

    13 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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