| 65m射电望远镜天线地震安全性分析 |
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| 引用本文： | 刘国玺,郑元鹏,冯贞国.65m射电望远镜天线地震安全性分析[J].电子机械工程,2011,27(2):58-61. |
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| 作者姓名： | 刘国玺 郑元鹏 冯贞国 |
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| 作者单位： | 中国电子科技集团公司第五十四研究所;哈尔滨工业大学; |
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| 摘 要： | 文中建立了65 m天线的有限元模型,并介绍了天线的有限元建模组成和各单元类型;对天线进行了地震安全性分析,给出了动力学分析的基本思路与动力学方程;分析了65 m天线在地震作用下的位移、应力时程响应,得出了天线与地基接触点的作用力数值.结果表明:天线在给定地震条件下能够满足设计需要,不会产生破坏,为该工程的结构抗震安全性...
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| 关 键 词： | 动力学 地震响应 时程分析 作用力 |
Earthquake Security Analysis of 65 m Radio Telescope Antenna |
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| LIU Guo-xi,ZHENG Yuan-peng and FENG Zhen-guo.Earthquake Security Analysis of 65 m Radio Telescope Antenna[J].Electro-Mechanical Engineering,2011,27(2):58-61. |
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| Authors: | LIU Guo-xi ZHENG Yuan-peng and FENG Zhen-guo |
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| Affiliation: | LIU Guo-xi1,2,ZHENG Yuan-peng1,FENG Zhen-guo1(1.The 54th Research Institute of CETC,Shijiazhuang 050081,China,2.Harbin Institute of Technology,Harbin 150090,China) |
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| Abstract: | The finite element analysis(FEA) mode of 65m radio telescope antenna is established.And the FEA mode composition and the element type of the antenna are introduced.The earthquake security of the antenna is analyzed.The basic analysis method of dynamics and dynamics equation are given.The displacement and the transient response of 65 m antenna under the influence of the earthquake are analyzed,too.The action force value on the contact between antenna and ground is obtained.The calculation results prove that ... |
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| Keywords: | dynamics earthquake response time-history analysis force |
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