| 分裂导线微风振动数值仿真 |
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| 引用本文： | 陈元坤 李 黎,曹化锦,.分裂导线微风振动数值仿真[J].振动与冲击,2013,32(7):179-183. |
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| 作者姓名： | 陈元坤 李 黎 曹化锦 |
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| 作者单位： | 1. 中南建筑设计院股份有限公司，武汉 4300712 华中科技大学a土木工程与力学学院；b华中科技大学控制结构湖北省重点实验室，湖北 武汉 430074 |
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| 摘 要： | 基于流体动力学软件，采用二维圆柱绕流的计算方法，对分裂导线的微风振动进行了仿真分析。首先对于固定双圆柱绕流进行了仿真，与经典文献对比验证了本文模型以及计算方法的正确性,然后基于自编程序实现了分裂导线振动的流固耦合分析，研究了不同支撑，不同分裂导线间距以及不同分裂倾角下双分裂导线的振动特性，得到了各工况下的子导线竖向振幅随缩减风速的变化曲线，对分裂导线微风振动特性的研究具有重要意义。
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| 关 键 词： | 分裂导线 计算流体动力学 微风振动 动网格 |
| 收稿时间： | 2011-9-27 |
| 修稿时间： | 2012-3-2 |
Numerical Simulation of Aeolian Vibration for Bundle Conductor |
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| CHEN Yuankun LI Li,CAO Huajin.Numerical Simulation of Aeolian Vibration for Bundle Conductor[J].Journal of Vibration and Shock,2013,32(7):179-183. |
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| Authors: | CHEN Yuankun LI Li CAO Huajin |
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| Affiliation: | 1.Central-South Architectural Design Institute CO., LTD., Wuhan, Hubei 430071, China2 a School of Civil Engineering & Mechanics, b Hubei Key Laboratory of Control Structure, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China |
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| Abstract: | Based on the computational fluid dynamics (CFD), the method of a two-dimensional cylinder surrounded by unsteady wind flow was using to solve the aeolian vibration forb bundle conductor. Firstly, the analysis of unsteady flow around the fixed bundle conductor was carried out. The model and the analysis method were verified compared with the classical literature. Then based on the moving mesh technology and the programming, the vibration of the bundle conductor under the conditions of support case, spacing case and tilt angel case was studied. The vertical amplitude of the conductor with the reduced velocity of the cases was got and it is important for the research on aeolian vibration for bundle conductor. |
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| Keywords: | Bundle conductor Computational fluid dynamics (CFD) Aeolian vibration Moving mesh |
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