| 杆系结构稳定分析的泡函数有限元法 |
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| 引用本文： | 高轩能,万志英,邹银生,周绪红. 杆系结构稳定分析的泡函数有限元法[J]. 南昌大学学报(工科版), 1998, 20(2): 1 |
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| 作者姓名： | 高轩能 万志英 邹银生 周绪红 |
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| 作者单位： | 南昌大学土木工程系； 湖南大学结构工程研究所； |
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| 摘 要： | 泡函数是完全定义在有限单元内的模型，在单元的边界上为零而在内部非零泡函数的应用大大地提高了有限元法的收敛性，有效地减少了结构稳定分析的计算工作量文中给出两种杆单元泡函数模型，但其原理可应用于任何结构算例表明，泡函数有限元法在结构的稳定分析中非常有效
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| 关 键 词： | 有限元法 稳定（屈曲）分析 泡函数 杆系结构 |
Stability Analysis of Framed Structures by Finite Element Method Using Bubble Functions |
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| Gao Xuanneng Wan Zhiying (Civil Engineering Department,Nanchang University,Nanchang ) Zou Yinsheng Zhou Xuhong (Institute of Structural Engineering,Hunan University,Changsha ). Stability Analysis of Framed Structures by Finite Element Method Using Bubble Functions[J]. Journal of Nanchang University(Engineering & Technology Edition), 1998, 20(2): 1 |
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| Authors: | Gao Xuanneng Wan Zhiying (Civil Engineering Department Nanchang University Nanchang ) Zou Yinsheng Zhou Xuhong (Institute of Structural Engineering Hunan University Changsha ) |
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| Abstract: | Bubble functions are finite element modes that are located entirely within a single element and are zero on the boundaries of the element,but are nonzero at the other points.The use of bubble functions significantly improves the convergence of finite |
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| Keywords: | framed structures； finite element method stability (buckling)analysis bubble functions |
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