大跨越输电塔的振动控制与可靠度分析

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1、华中科技大学硕士学位论文目录摘要................................................................................................................IAbstract.............................................................................................................II1绪论

2、............................................................................................................(1)1.1课题意义及研究......................................................................................(1)1.2国内外研究概况...............................

3、.......................................................(2)1.3本文主要工作内容..................................................................................(7)2大跨越输电塔-线体系建模及动力特性分析...........................................(9)2.1概述..........................

4、................................................................................(9)2.2有限元分析的单元特性..........................................................................(9)2.3体系的非线性静力平衡方程及求解...................................................(14)2.4体系

5、的自由振动方程及频率、振型的求解.......................................(15)2.5榕江大跨越输电塔-线体系动力特性分析..........................................(17)2.6阻尼器的设计和布置方案研究...........................................................(24)3大跨越输电塔的风振控制分析................................

6、..............................(29)3.1概述........................................................................................................(29)3.2风荷载..................................................................................................

7、..(29)3.3时域风振响应分析................................................................................(33)3.4榕江大跨越输电塔-线体系风振控制结果..........................................(35)4大跨越输电塔的地震响应控制分析......................................................(39)4.1概述....

8、....................................................................................................(39)III华中科技大学硕士学位论文4.2地震波的选取与调整............................................................................(39)4.3榕江大跨越输电塔-线体系震动控制结果...........