Abstract The fatigue problem induced by wave loads and floater movements of dynamic umbilicals in deepwater is studied. The prediction method of the fatigue life is investigated by considering no-linear local stress due to contact and friction between components of the umbilical. A case study of a dynamic umbilical for 1500 meters depth in South China Sea was presented. The results showed that the more accurate result of the fatigue life was calculated by considering non-linear local stress. The fatigue life by considering local stress with the no-slip assumption was conservative. An obviously longer fatigue life was obtained by considering local stress with the full-slip assumption.


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    Titel :

    Fatigue Life Prediction of Umbilicals Considering Non-Linear Stress


    Beteiligte:
    Qingzhen, Lu (Autor:in) / Yuanchao, Yin (Autor:in) / Zhixun, Yang (Autor:in) / Jinlong, Chen (Autor:in) / Jun, Yan (Autor:in) / Qianjin, Yue (Autor:in)

    Erschienen in:

    Polish Maritime Research ; 24 , s2 ; 154-163


    Erscheinungsdatum :

    2017




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Unbekannt


    Klassifikation :

    BKL:    55.40 Schiffstechnik, Schiffbau / 50.92 Meerestechnik



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