薄壁容器外压失稳的研究进展
Present Research Progress on Instability of Thin-Walled Vessels under External Pressure
摘要: 通过对薄壁容器外压失稳的理论计算及标准和仿真分析的进展进行归纳，总结出常用的分析方法，并结合相关实例，对适用范围进行了介绍。容器外压失稳理论计算基于Mises公式，在常用的标准规范中，EN13445-3和ΓOCT14249的计算方法最接近于实际结果；在仿真分析方面，非线性分析被广泛应用，大大降低了结构冗余设计；为提高结构抗失稳能力，可以对结构进行加强筋设计，或采用多平面柱壳结构。本文总结的内容对薄壁容器的设计和优化提供了一定的借鉴。
Abstract: By summarizing the present research progress of theoretical calculation (including standards) and simulation analysis of thin-walled vessel’s instability under external pressure, the commonly used analytical methods are concluded. And there application ranges are introduced by some examples. Theoretical calculation of vessel’s instability under external pressure is based on Mises formula. The calculation methods of EN13445-3 and ΓOCT14249 are the closest to the actual results. For simulation analysis, nonlinear analysis is widely used, which greatly reduces the design of redundant structure. In order to improve the resistance to instability of the structure, the reinforcement bars can be designed, or multiplane cylindrical shell structures can be adopted. The summarized contents in this paper provide some reference for the design and optimization of thin-walled vessels.
文章引用：乔琳, 葛宁, 赵和明. 薄壁容器外压失稳的研究进展[J]. 应用物理, 2018, 8(7): 342-351. https://doi.org/10.12677/APP.2018.87044

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