| 三级分枝钢管树状结构有限元动力特性分析 |
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| 引用本文： | 李法善,张岚,蒋丽华,杭燕. 三级分枝钢管树状结构有限元动力特性分析[J]. 钢结构, 2012, 27(5): 26-28 |
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| 作者姓名： | 李法善 张岚 蒋丽华 杭燕 |
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| 作者单位： | 常州第一建筑集团有限公司,江苏常州,223001 |
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| 摘 要： | 通过对三级分枝钢管树状结构进行特征值屈曲分析、非线性屈曲分析,得出三级分枝钢管树状结构的屈曲极限荷载,对三级分枝钢管树状结构进行模态分析,得到该结构的固有频率等树状结构的动力特征,为树状结构的研究与设计提供参考。
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| 关 键 词： | 三级分枝 树状结构 屈曲分析 模态分析 |
FINITE ELEMENT ANALYSIS OF DYNAMIC CHARACTERISTICS FOR TREE STEEL PIPE STRUCTURES WITH THREE-LEVEL BRANCHES |
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| Li Fashan , Zhang Lan , Jiang Lihua , Hang Yan. FINITE ELEMENT ANALYSIS OF DYNAMIC CHARACTERISTICS FOR TREE STEEL PIPE STRUCTURES WITH THREE-LEVEL BRANCHES[J]. Steel Construction, 2012, 27(5): 26-28 |
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| Authors: | Li Fashan Zhang Lan Jiang Lihua Hang Yan |
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| Affiliation: | Li Fashan Zhang Lan diang Lihua Hang Yan (Changzhou No. 1 Construction Group Co. Ltd, Changzhou 223001,China) |
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| Abstract: | The buckling load of tree steel pipe structures with three-level branchs was got through the eigenvalue buckling analysis, nonlinear buckling analysis of tree steel pipe structures with three-level branchs. The natural frequency of the tree structure was reached by model analysis. The analysis supplied reference values for the research and design of tree structures. |
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| Keywords: | three-level branches tree structures buckling analysis modal analysis |
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