| 框架柱侧移及挠曲二阶效应的单元几何刚度矩阵 |
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| 引用本文： | 游强,陶钦贵. 框架柱侧移及挠曲二阶效应的单元几何刚度矩阵[J]. 许昌师专学报, 2010, 0(5): 27-30 |
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| 作者姓名： | 游强 陶钦贵 |
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| 作者单位： | 宜宾学院经济与管理学院,四川宜宾644000 |
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| 摘 要： | 以悬臂柱为例对侧移及挠曲两种二阶效应从定义上加以区分;以框架柱为例分别推导出了反映侧移及挠曲影响的单元刚度矩阵,并从单元刚度矩阵上指出了它们的区别.利用所给的刚度矩阵可直接求出极限荷载,避免了结构分析中繁琐的迭代过程.
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| 关 键 词： | 侧移效应 挠曲效应 二阶效应 单元刚度矩阵 |
Comprehensive Element Stiffness Matrix of Two Kinds of Second Order Effects in Frame Columns |
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| YOU Qiang,TAO Qin-gui. Comprehensive Element Stiffness Matrix of Two Kinds of Second Order Effects in Frame Columns[J]. Journal of Xuchang Teachers College(Social Science Edition), 2010, 0(5): 27-30 |
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| Authors: | YOU Qiang TAO Qin-gui |
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| Affiliation: | (School of Economics and Management,Yibin University,Yibin 644000,China) |
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| Abstract: | Two second order effects displacement effects and flexure effects have been distinguished in the definition at first,and cantilever columns are set as examples to explain the difference.Then frame columns are set as examples to conclude respective element stiffness matrixes influenced by these two effects.Their differences have been pointed out from the element stiffness matrix,and thus the cumbersome iterative structural analysis is avoided and the limit load is obtained directly. |
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| Keywords: | displacement effects flexure effects second order effects element stiffness matrix |
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