| 拟协调等腰梯形壳元显式几何刚度阵及屈曲分析 |
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| 引用本文： | 邓可顺,陈健云.拟协调等腰梯形壳元显式几何刚度阵及屈曲分析[J].计算力学学报,1995,12(2). |
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| 作者姓名： | 邓可顺 陈健云 |
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| 作者单位： | 大连理工大学工程力学研究所 |
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| 摘 要： | 采用拟协调元方法推导了等腰梯形薄壳元的显式几何刚度阵，用于组合结构屈曲分析的计算，结果表明，这种单元的几何刚度阵收敛快、精度好。
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| 关 键 词： | 屈曲 有限元法／几何刚度阵 拟协调梯形元 |
Explicit geometric stiffness matrix of quasi-conforming trapeziodal element and buckling analysis |
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| Deng Keshun,Chen Jianyun.Explicit geometric stiffness matrix of quasi-conforming trapeziodal element and buckling analysis[J].Chinese Journal of Computational Mechanics,1995,12(2). |
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| Authors: | Deng Keshun Chen Jianyun |
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| Abstract: | The explicit geometric stiffness matrix of trapeziodal element is presented by means ofthe method of quasi-conforming elements. Computing results of elastic buckling analysis ofsome examples show that this element has higher accuracy and faster convergence. |
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| Keywords: | buckling finite element method/geometric stiffness matrix quasi-conforming trapeziodal element |
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