Galloping suppression of a suspended cable with wind loading by a nonlinear energy sink

被引：29

作者：

Guo, Hulun ^{[1
,2
]}

Liu, Bin ^{[3
]}

Yu, Yangyang ^{[4
]}

Cao, Shuqian ^{[1
,2
]}

Chen, Yushu ^{[1
,2
]}

机构：

[1] Tianjin Univ, Dept Mech, Tianjin 300072, Peoples R China

[2] Tianjin Key Lab Nonlinear Dynam & Control, Tianjin 300072, Peoples R China

[3] China Elect Power Res Inst, Beijing 100192, Peoples R China

[4] Tianjin Univ, Renai Coll, Tianjin 301636, Peoples R China

来源：

ARCHIVE OF APPLIED MECHANICS | 2017年 / 87卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Suspended cable; Nonlinear energy sink; Wind loading; Galloping; Vibration suppression; 3-DEGREE-OF-FREEDOM MODEL; FREE-VIBRATIONS; OSCILLATIONS; TRANSFERS;

D O I：

10.1007/s00419-017-1227-z

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

In this paper, an adaptive and passive galloping suppression of a suspended linear cable is investigated. The limit cycle oscillation (LCO) of cable due to nonlinear wind loading is effectively eliminated by a lightweight, easy-to-make attachment: nonlinear energy sink (NES). Analytical mechanism of LCO is explored by using harmonic balance method, implying that NES is valid for LCO suppression under any wind speed. Finally, the influences of mass ratio, damping, stiffness and location of NES on vibration suppression are highlighted in detail.

引用

页码：1007 / 1018

页数：12

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