Nonlinear stochastic response of transmission tower-line system under strong wind

被引：0
|
作者：
Wang, Da-Hai [1 ]
Li, Jie [1 ]
机构：
[1] School of Civil Engineering, Tongji University, Shanghai 200092, China
来源：
Zhendong yu Chongji/Journal of Vibration and Shock | 2010年 / 29卷 / 06期
关键词：
Linearization - Stochastic systems - Towers - Stochastic models;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
An approximate 3DOF model for transmission tower-line system was established, which combines the softening nonlinear stiffness of tower by static FEM analysis and the dynamic characteristics of conductor distorted under mean wind load. Utilizing the method of statistical linearization, the analytical solution of stochastic response of tower-line coupled system under strong wind was derived. Comparing with numerical simulation, the results show that the analytical solution obtained by the herein developed procedure is enough precise for engineering use, and can be taken as an auxiliary tool in judgment of critical wind speed.
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页码：62 / 65
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