A study on stability of vortex induced vibration of a flexible riser

被引：0
|
作者：
Senga, Hitletaka [1 ]
Koterayama, Wataru [1 ]
机构：
[1] Kyushu Univ, Interdisciplinary Grad Sch Engn Sci, Kasuga, Fukuoka 816, Japan
来源：
PROCEEDINGS OF THE SIXTEENTH (2006) INTERNATIONAL OFFSHORE AND POLAR ENGINEERING CONFERENCE, VOL 3 | 2006年
关键词：
vortex induced vibration; flexible riser; stability; model experiment; irregular oscillation;
D O I：
暂无
中图分类号：
P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
Vortex induced vibration of a marine riser has been treated as a stochastic problem because of its strong non-linearity and difficulty of deterministic calculation. In this research the stability of vortex induced vibration of a flexible riser is studied experimentally. A flexible riser model was forced to oscillate at its top end in sinusoidal mode and irregularly. Each experiment was done four times in order to confirm the stability of the phenomenon. From these experiments we concluded that VIV of the riser forced to oscillate in sinusoidal mode at its top end is very stable, but it is not as stable in the case of irregular oscillation.
引用
收藏
页码：806 / 811
页数：6
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