Experiments and modeling on the maximum displacement of a long tensioned mooring tether subjected to vortex-induced vibration

被引：5
|
作者：
Kang, Ling [1 ,2 ]
Ge, Fei [1 ]
Wu, Xiaodong [3 ]
Hong, Youshi [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing, Peoples R China
[3] Taiyuan Univ Technol, Taiyuan 030024, Peoples R China
来源：
PROCEEDINGS OF 2ND INTERNATIONAL SYMPOSIUM ON SUBMERGED FLOATING TUNNELS AND UNDERWATER TUNNEL STRUCTURES (SUFTUS-2016) | 2016年 / 166卷
关键词：
Long tensioned tether; vortex-induced vibration; displacement fluctuation; vibration mode; maximum displacement model; CYLINDERS;
D O I：
10.1016/j.proeng.2016.11.568
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The maximum root mean square (RMS) of the displacement of a long tensioned mooring tether undergoing vortex-induced vibration (VIV) as the flow velocity varies was experimentally investigated, and an evaluation model was established to predict the maximum RMS value of the displacement by a dimensionless analysis. The results showed that the maximum RMS of the displacement linearly increased with the increasing of the flow velocity if only the low order modes were excited at the corresponding flow velocities. This kind of maximum RMS of displacement was evaluated by the proposed model, which is more reliable when it was used to predict the maximum RMS of the total displacement. (C) 2016 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：83 / 90
页数：8
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