| 弹性拱静力屈曲的突变行为 |
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| 引用本文： | 魏德敏.弹性拱静力屈曲的突变行为[J].华南理工大学学报(自然科学版),2003,31(Z1):30-32. |
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| 作者姓名： | 魏德敏 |
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| 作者单位： | 华南理工大学土木工程系,广东,广州,510640 |
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| 摘 要： | 应用突变理论研究弹性两铰拱的静力屈曲,分析中考虑了拱的挠度变化和轴向压缩变形的影响,得到了拱面内失稳的尖点突变模型和临界条件,给出了一些有意义的结论.
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| 关 键 词： | 拱 静力屈曲 突变理论 |
Catastrophic Behavior for the Static Buckling of Elastic Arches |
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| Abstract.Catastrophic Behavior for the Static Buckling of Elastic Arches[J].Journal of South China University of Technology(Natural Science Edition),2003,31(Z1):30-32. |
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| Authors: | Abstract |
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| Abstract: | Catastrophe theory is applied to investigate the static buckling of elastic shallow arches. The influ-ences of deflection change and axial compression deformation on buckling load are considered. A cusp catas-trophe model and the corresponding critical condition of the static buckling of arches in vertical plane are ob-tained. Some useful conclusions are given. |
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| Keywords: | arch static buckling catastrophe theory |
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