初始缺陷对单层柱面网壳稳定性的影响

来源 :哈尔滨建筑大学学报 | 被引量 : 0次 | 上传用户:clijunhan
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通过结构非线性分析程序SNAP,利用“一致缺陷模态法”对单层柱面网壳结构进行了全面和系统的初始缺陷分析。选取了不同几何尺寸的单层柱壳,不同的荷载分布形式,考虑不同大小的初始几何缺陷,最后着重讨论了初始缺陷对单层柱面网壳稳定性的影响,对单层柱面网壳结构的设计有一定的指导意义。 Through the structural nonlinear analysis program SNAP, a comprehensive and systematic initial defect analysis was performed on the single-layer cylindrical reticulated shell structure using the “coherent defect mode method.” Single-layer cylindrical shells with different geometrical dimensions and different load distributions were selected. Initial geometric defects of different sizes were considered. Finally, the influence of initial defects on the stability of single-layer cylindrical reticulated shells was discussed. The single-layer cylindrical reticulated shells were discussed. The design of the structure has certain guiding significance.
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