Modelling of coupled cross-flow and in-line vortex-induced vibrations of flexible cylindrical structures. Part II: on the importance of in-line coupling

被引：13
|
作者：
Qu, Yang [1 ,2 ]
Metrikine, Andrei, V [1 ]
机构：
[1] Delft Univ Technol, Dept Hydraul Engn, Stevinweg 1, NL-2628 CN Delft, Netherlands
[2] Shanghai Jiao Tong Univ, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China
来源：
NONLINEAR DYNAMICS | 2021年 / 103卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Vortex-induced vibration; Wake oscillator; In-line coupling; Motion trajectory; Energy transfer; Fatigue damage; WAKE OSCILLATOR; CYLINDER; RISER;
D O I：
10.1007/s11071-020-06027-1
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
To illustrate the influence of the in-line coupling on the prediction of vortex-induced vibration (VIV), the simulation results of the coupled cross-flow and in-line VIVs of flexible cylinders- obtained with three different wake oscillator models with and without the in-line coupling- are compared and studied in this paper. Both the cases of uniform and linearly sheared flow are analysed and the simulation results of the three models are compared with each other from the viewpoints of response pattern, fluid force, energy transfer and fatigue damage. The differences between the simulation results from the three models highlight the importance of the in-line coupling on the prediction of coupled cross-flow and in-line VIVs of flexible cylindrical structures.
引用
收藏
页码：3083 / 3112
页数：30
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