Study on the TMD damping of wind turbine towers in construction

被引：0

作者：

Tian Y.-P. ^{[1
]}

Xu D. ^{[1
]}

Zhou H.-M. ^{[1
]}

Wang T. ^{[1
]}

机构：

[1] Key Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, CEA, Harbin

来源：

Gongcheng Lixue/Engineering Mechanics | 2019年 / 36卷

关键词：

Model test; Shaking table test; TMD; Vibration reduction; Wind turbine;

D O I：

10.6052/j.issn.1000-4750.2018.06.S037

中图分类号：

学科分类号：

摘要：

Wind turbines are usually installed on-site where wind-introduced vibration may result in significant difficulty in the installation of the generator blades because of the large displacement at the top of the tower. To reduce such a big displacement response, a two-way rail type tuned mass damper (TMD) is developed in this study which is featured with a frequency-adjustable mechanism. This paper reports the selection of primary parameters of the TMD, the numerical simulation and an experiment test. The primary parameters are first selected based on the structural dynamics, from which the mass, stiffness and damping ratio can be determined. Finite element analyses are conducted to further consider the contribution from higher vibration modes. A scaled model of the tower and the TMD are fabricated and tested to demonstrate the effectiveness of the TMD. © 2019, Engineering Mechanics Press. All right reserved.

引用

页码：184 / 188

页数：4

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