中外主要压力容器标准外压球壳的计算及数值计算稳定性分析  

Methods of Calculation and Numerical Stability Analysis of Spherical Shell Subjected to External Pressure in Worldwide Pressure Vessel Standards

作　　者：苏文献[1] 刘雷敏[1] 宋友立[1] 金晶[1] 

机构地区：[1]上海理工大学化工过程机械研究所,上海200093

出　　处：《化工设备与管道》2013年第1期11-15,共5页Process Equipment & Piping

基　　金：上海市教育发展基金资助项目(LM201246)

摘　　要：通过比较中外主要压力容器标准中外压球壳的计算方法,并通过实际工程实例进行计算,以及用数值计算方法进行特征值屈曲分析,结果表明相比于EN 13445-3和ΓOCT 14249的结果,GB 150、JB4732、ASMEⅧ-1、ASMEⅧ-2中外压球壳的计算方法偏于保守。此外,对椭圆封头加强筋的结构布置,进行了进一步的分析与讨论。Through the calculation of practical engineering examples and eigenvalue analysis by using numerical method, the calculation methods for spherical shell subjected to external pressure provided in worldwide pressure vessel standards were compared. It has been shown that compared with EN13445-3 and r OCT14249, the method provided in GB150, JB4732, ASME VIII-1 and ASME VIII-2 is conservative. Besides, in this paper, the structural layout of strengthener on elliptical head was analyzed and discussed.

关 键 词：外压 球壳 数值计算 稳定性 

分 类 号：TQ050.2[化学工程] TH49[机械工程—机械制造及自动化]