In this study, a numerical analysis is carried out to investigate the coupled behaviour of a TLP (tension leg platform) -TAD (tender-assisted drilling) system under a series of regular waves in surge direction. The numerical model is established in the time domain considering the nonlinear characteristics of the mooring systems and the hydrodynamic interference. After the case validations, the effects of the wave periods and amplitudes on the nonlinear dynamic characteristics of the surge motions are investigated in detail. Then, the observed nonlinear dynamic characteristics are interpreted in detail through the existing theory of phase dynamics. The surge motions of the coupled system can show multiperiod nonlinear characteristics under regular waves in certain wave periods. Three forms of phase dynamic characteristics: phase locking, phase trapping, and phase drifting and slipping are observed in the surge motions of the tender-assisted drilling operation system.


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    Title :

    Nonlinear dynamic characteristics analysis of the surge motion of a tender-assisted drilling operation system


    Additional title:

    SHIPS AND OFFSHORE STRUCTURES
    Z. KANG ET AL.


    Contributors:
    Kang, Zhuang (author) / Chang, Rui (author) / Ai, Shangmao (author)

    Published in:

    Publication date :

    2024-06-02


    Size :

    15 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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