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Imperfection sensitivity to elastic buckling of wind loaded open cylindrical tanks

机译：风载荷敞开式圆柱形储罐对弹性屈曲的缺陷敏感性

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This paper considers the buckling and post-buckling behavior of empty metal storage tanks under wind load. The structures of such tanks may be idealized as cantilever cylindrical shells, and the structural response is investigated using a computational model. The modeling employs a doubly curved finite element based on a theory by Simo and coworkers, which is capable of handling large displacements and plasticity. Buckling results for tanks with four different geometric relations are presented to consider the influence of the ratios between the radius and the height of the shell (R/L). and between the radius and the thickness (R/t).
机译：本文考虑了空金属储罐在风荷载作用下的屈曲和后屈曲行为。这种储罐的结构可以理想化为悬臂圆柱壳，并使用计算模型研究其结构响应。该建模使用基于Simo和同事的理论的双曲有限元，它能够处理大位移和可塑性。提出了具有四个不同几何关系的罐的屈曲结果，以考虑壳的半径与高度之比（R / L）的影响。半径和厚度（R / t）之间。

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