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Buckling and Collapse of Sandwich Pipes under External Pressure:A Review

机译:夹层管在外部压力下的屈曲与塌陷研究进展

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This article reviews most of the research done in recent years (2002-2012) on the buckling and collapse behavior of sandwich pipes, which emphasizes on the development of theoretical,experimental and numerical methods adopted to analyze such structural behaviour of SP with different core materials.The main mechanical and thermal properties of the previously considered core materials are also given, together with the elastoplastic constitutive model for each material.The experimental and numerical results of collapse pressure of SP under external pressure are summarized.Besides, a general discussion of the mechanical failure modes of SP under external pressure is provided.
机译:本文回顾了近年来(2002-2012年)关于夹层管的屈曲和塌陷行为的大部分研究,重点研究了用于分析具有不同芯材的SP的这种结构行为的理论,实验和数值方法的发展还给出了先前考虑的芯材的主要力学和热性能,以及每种材料的弹塑性本构模型。总结了SP在外部压力下的坍塌压力的实验和数值结果。提供了SP在外部压力下的机械故障模式。

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