宇航计测技术
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张俊秀1;刘均松1;江雯1;刘鹏1;曹玉梅 1
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作者简介:
ZHANG Jun-xiu1;LIU Jun-song1;JIANG Wen1;LIU Peng1;CAO Yu-mei1
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摘要: 模态分析是机械结构动力学分析的基础。采用有限单元法,利用ANSYS软件以桁架结构为例进行分析,求得桁架的自由模态参数,并通过加强筋的合理布置,增强桁架的结构刚度,提升固有频率,远离实际工作频率以防止共振。
关键词: 模态分析, 固有频率, 桁架结构, 振型, 有限元法
Abstract: Modal analysis is the foundation of dynamic analysis. The finite element method is analyzed by using ANSYS software taking truss structure as a example. It would provide modal parameter like natural frequency, and we can get a better design according to the parameter, like enhancing the rigidity of truss structure and improve the natural frequency to avoid resonating.
Key words: Modal analysis, Natural frequency, Truss structruc ture, Mode of vibration, Finite element method
张俊秀;刘均松;江雯;刘鹏;曹玉梅 . 基于ANSYS的桁架结构模态分析[J]. 宇航计测技术, doi: 10.12060/j.issn.1000-7202.2012.06.05.
ZHANG Jun-xiu;LIU Jun-song;JIANG Wen;LIU Peng;CAO Yu-mei. Modal Analysis of Truss Structure Based on Ansys[J]. JOURNAL OF ASTRONAUTIC METROLOGY AND MEASUREMENT, doi: 10.12060/j.issn.1000-7202.2012.06.05.
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http://www.yhjcjs.com.cn/CN/Y2012/V32/I6/17