| 均布压力作用下圆锥扁壳后屈曲分析的加权残数法 |
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| 引用本文： | 王小岗. 均布压力作用下圆锥扁壳后屈曲分析的加权残数法[J]. 青海大学学报, 1998, 16(6): 8-12,28 |
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| 作者姓名： | 王小岗 |
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| 作者单位： | 青海大学建工系 西宁810016 |
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| 摘 要： | 基于Ｖｏｎ Ｋａｒｍａｎ型大挠度方程，用Ｇａｌｅｒｋｉｎ方法分析了圆锥扁壳在均布压力作用下的后屈曲行为。以正交的Ｌｅｇｅｎｄｒｅ多项式作为试函数，用加权函数法给出锥壳屈曲后的荷载挠度关系式及屈曲的临界荷载。经与有关文献比较，本文使用加权残数法分析锥壳的几何非线性屈曲，方法可行，且简单，明了。
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| 关 键 词： | 圆锥扁壳 后屈曲 加权残数法 非线性 |
Post - Buckling Analysis of Shallow Concial Shell under Uniformly Distributed Pressure Using the Weighted Residuals Approximation Method |
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| Wang Xiaogang. Post - Buckling Analysis of Shallow Concial Shell under Uniformly Distributed Pressure Using the Weighted Residuals Approximation Method[J]. Journal of Qinghai University(Natural Science), 1998, 16(6): 8-12,28 |
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| Authors: | Wang Xiaogang |
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| Abstract: | Based on karman large deflection equation the nonlinear post - buckling behavior of a shallow concial shell under uniformly distributed pressure is studied by means of Galerkin method. Using the method of weighted residuals approximation and taking the Orthogonal Legendre multinomial as trial function, the paper has calculated the load - deflection relation and critial load. |
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| Keywords: | Shallow concial shell Post-buchling Weighted residuals approximation |
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