A non-linear analysis method for vortex-induced vibration of deepwater risers with large deflection

被引：0
|
作者：
Wu X. [1 ,2 ]
Teng W. [3 ]
Wang H. [3 ]
机构：
[1] Shandong Key Laboratory of Ocean Engineering, Ocean University of China, Qingdao
[2] Architectural and Civil Engineering Institute, Qingdao Agricultural University, Qingdao
[3] CNPC East China Design Institute Company Limited, Qingdao
来源：
Zhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition of Natural Science) | 2019年 / 43卷 / 06期
关键词：
Deepwater risers; Dynamic analysis; Geometric nonlinearity; Large deflection; Parameter excited vibration; Vortex-induced vibration;
D O I：
10.3969/j.issn.1673-5005.2019.06.007
中图分类号：
学科分类号：
摘要：
A new non-linear analysis method was proposed in this work to predict the vortex-induced vibration(VIV) response of deepwater riser, in which large deformation of risers was considered, and accordingly a program for the solution of the model was designed. In this paper, the VIV response of deepwater top tensioned riser operated in a water depth of 1 500 m was investigated as a case study. The new method can be used to predict the VIV characters of deepwater risers, and the results indicate that the effect of the heave of a floating platform in VIV response of deepwater risers is strongly dependent on the environmental load, riser parameters, the amplitude and frequency of the heave. © 2019, Periodical Office of China University of Petroleum. All right reserved.
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页码：59 / 66
页数：7
相关论文
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