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基于ANSYS的支撑框架结构地震反应谱分析
Seismic response spectrum analysis of braced RC moment frame structure based on ANSYS
【摘要】 利用ANSYS对一斜支撑框架结构建立有限元模型并分析该结构的动力特性和地震荷载作用下的弹性响应。对该结构进行模态分析,求出前5阶的频率和模态振型,分析得出支撑框架结构的动力特性。进行结构地震反应谱分析考察地震作用下各个构件受力特点。为斜撑框架结构设计提出一些建议和结论。
【Abstract】 Use the large-scale structural analysis software ANSYS to make finite element model for a braced frame structure,analyse the braced frame structure dynamic properties and the elastic response of structures under seismic load.Do structure modal analysis,find the top 5 steps of frequencies and mode shapes,coming to the dynamic characteristics of the braced frame structure.Conduct seismic response spectrum analysis and study the mechanical characteristics of each component under seismic load,offerting some suggestions about the braced frame design.
【关键词】 有限元;
模态分析;
反应谱求解;
ANSYS;
【Key words】 finite element method; modal analysis; response spectrum solution; ANSYS;
【Key words】 finite element method; modal analysis; response spectrum solution; ANSYS;
- 【文献出处】 四川建筑科学研究 ,Sichuan Building Science , 编辑部邮箱 ,2012年03期
- 【分类号】TU323.5;TU352.11
- 【被引频次】2
- 【下载频次】391