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

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

Mathematical Problems in Engineering, 2023, vol. 2023, 1-14

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.

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:7970139

DOI: 10.1155/2023/7970139

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