Finite element analysis and stress test for opening tubing connection on pressure vessels 内压容器壳体上矩形大开孔接管三维有限元分析与强度计算
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The elastic - plastic finite element analyses of the internal pressure vessels with the different ratios of the diameter of nozzle to the diameter of vessel are carried out to investigate the stress concentration in the nozzle - vessel junction 摘要针对筒体带大接管的内压容器在相贯区附近会产生较高的应力集中这一问题，考虑材料的塑性变形特性，时不同开孔率的内压容器结构进行了一系列的弹塑性有限元分析。
