[1]徐万海,马烨璇,罗浩,等.小倾角倾斜柔性圆柱涡激振动实验研究[J].哈尔滨工程大学学报,2017,38(02):195-200.[doi:10.11990/jheu.201511035]
 XU Wanhai,MA Yexuan,LUO Hao,et al.Vortex-induced vibration of an inclined flexible cylinder with a small yaw angle[J].hebgcdxxb,2017,38(02):195-200.[doi:10.11990/jheu.201511035]
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
38
期数:
2017年02期
页码:
195-200
栏目:
出版日期:
2017-02-25

文章信息/Info

Title:
Vortex-induced vibration of an inclined flexible cylinder with a small yaw angle
作者:
徐万海 马烨璇 罗浩 栾英森 吴梦宁
天津大学 水利工程仿真与安全国家重点实验室, 天津 300072
Author(s):
XU Wanhai MA Yexuan LUO Hao LUAN Yingsen WU Mengning
State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, China
关键词:
倾斜柔性圆柱涡激振动不相关原则流-固耦合
分类号:
TB123;TV312
DOI:
10.11990/jheu.201511035
文献标志码:
A
摘要:
海洋工程中柔性圆柱结构疲劳破坏的主要诱因是海流引起的涡激振动。垂直来流作用下柔性圆柱涡激振动研究已取得诸多成果,然而在实际工程中,圆柱轴向与海流并不完全垂直,存在一定倾斜角度。针对这种普遍现象,学术界提出了倾斜圆柱涡激振动的不相关原则,但其正确与否至今存在争议。本文设计了室内模型实验,开展了长径比350,雷诺数800~16 000,质量比1.9,倾斜角度为15°的柔性圆柱涡激振动实验,通过对比垂直圆柱与小倾角倾斜圆柱的实验结果发现,在模态转化区域外不相关原则适用于小倾角倾斜柔性圆柱涡激振动分析,同时观测到在模态转化区倾斜圆柱更容易激发高阶模态。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-11-17。
基金项目:国家重点基础研究计划(2014CB046801);国家自然科学基金项目(51379144,51479135,51679167);国家自然科学基金创新研究群体科学基金项目(51621092);天津市自然科学基金项目(15JCQNJC07700).
通讯作者:徐万海,E-mail:xuwanhai@tju.edu.cn
更新日期/Last Update: 2017-03-10