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Dynamic Analysis of Marine Drilling Risers Considering Steady Current, Surface Wave, Internal Solitary Wave, and Vessel Motion

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  • Guanghai Gao
  • Yulong Li
  • Xiao Cong
  • Kunshan Xu
  • Yunjing Cui
  • Francesco Aymerich

Abstract

In this paper, considering combined excitations of the steady current, surface wave, internal solitary wave as well as, the vessel’s surge and heave motions, a time-domain model is established to investigate the lateral dynamic response of marine drilling risers. The finite element and Newmark-β methods are used to solve the nonlinear partial differential equation in the time-domain. The entire numerical solution process is realized by a self-developed program based on MATLAB. The reliability of the numerical solution program is verified by comparing it with published numerical results. The lateral dynamic responses of a real-scale marine drilling riser, usually used in the deep water oil/gas industry in the South China Sea, are studied. The impact level of each factor in the riser’s lateral dynamic response is discussed.

Suggested Citation

  • Guanghai Gao & Yulong Li & Xiao Cong & Kunshan Xu & Yunjing Cui & Francesco Aymerich, 2023. "Dynamic Analysis of Marine Drilling Risers Considering Steady Current, Surface Wave, Internal Solitary Wave, and Vessel Motion," Mathematical Problems in Engineering, Hindawi, vol. 2023, pages 1-14, September.
    • Handle: RePEc:hin:jnlmpe:7970139
    DOI: 10.1155/2023/7970139
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