桥梁若干流致振动与卡门涡街

张伟伟; 豆子皓; 李新涛; 高传强

doi:10.7638/kqdlxxb-2020.0088

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桥梁若干流致振动与卡门涡街

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- 桥梁若干流致振动与卡门涡街
- Various flow-induced vibrations of bridges and von Kármán vortex street
- 空气动力学学报 2020年38卷第3期页码：405-412
- 作者机构：
  
  西北工业大学航空学院,西安,710072
- 作者简介：
  
  张伟伟(1979-), 男, 教授, 研究方向:气动弹性力学, 智能流体力学, 理论与计算流体力学.E-mail:aeroelastic@nwpu.edu.cn
- 基金信息：
  
  国家自然科学基金（91852115，11622220，11572252）;国家数值风洞工程项目（NNW2018-ZT1B01）
- DOI：10.7638/kqdlxxb-2020.0088
  中图分类号： U441+.3;V211.1
- 纸质出版：2020
- 稿件说明：
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张伟伟, 豆子皓, 李新涛, 高传强. 桥梁若干流致振动与卡门涡街[J]. 空气动力学学报, 2020, 38(3): 405-412.

ZHANG Weiwei, DOU Zihao, LI Xitao, et al. Various flow-induced vibrations of bridges and von Kármán vortex street[J]. 2020, 38(3): 405-412.
张伟伟, 豆子皓, 李新涛, 高传强. 桥梁若干流致振动与卡门涡街[J]. 空气动力学学报, 2020, 38(3): 405-412. DOI： 10.7638/kqdlxxb-2020.0088.

ZHANG Weiwei, DOU Zihao, LI Xitao, et al. Various flow-induced vibrations of bridges and von Kármán vortex street[J]. 2020, 38(3): 405-412. DOI： 10.7638/kqdlxxb-2020.0088.

摘要

首先介绍了与桥梁流致振动相关的卡门涡街、涡致振动和颤振的概念。在此基础上，讲述历史上塔科马大桥风毁事件的研究争论，并再次澄清塔科马大桥风毁的直接原因是颤振而不是涡激共振。对虎门大桥振动问题，针对风工程领域中涡致振动问题的性质进行了讨论，指出限幅涡振问题，并伴随的锁频现象，本质上仍是结构自激振动问题，卡门涡街起到的是诱发而不是直接的推动作用。最后，对形形色色流致振动问题的差异和共性进行了讨论。

Abstract

Firstly

the concepts of von Kármán vortex street

vortex-induced vibration(VIV) and flutter associated with flow-induced vibrations of bridges were introduced. On this basis

the historical research controversies of the Tacoma Narrows Bridge was described. And it was clarified that the aerodynamic failure mechanism responsible for the collapse of the Tacoma was flutter rather than VIV. The vibration of Humen Bridge and the aerodynamic mechanism of the VIV in the field of wind engineering were discussed. The mechanisms of the amplitude-limited VIV and lock-in were essentially structural self-excited vibration

and von Kármán vortex street worked as an inducement rather than a direct push. Finally

the differences and commonalities of various flow-induced vibration problems were discussed.

关键词

Keywords

references

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KOU J Q, ZHANG W W, LIU Y L, et al. The lowest Reynolds number of vortex-induced vibrations[J]. Physics of Fluids, 2017, 29(4):041701. https://doi.org/10.1063/1.4979966

BLEVINS R D, SCANLAN R H. Flow-induced vibration[M]. New York:Van Nostrand Reinhold Co, 1977:377.

LI X T, LYU Z, KOU J Q, et al. Mode competition in galloping of a square cylinder at low Reynolds number[J]. Journal of Fluid Mechanics, 2019, 867:516-555. https://doi.org/10.1017/jfm.2019.160

GAO C Q, ZHANG W W. Transonic aeroelasticity:A new perspective from the fluid mode[J]. Progress in Aerospace Sciences, 2020, 113:100596. https://doi.org/10.1016/j.paerosci.2019.100596

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