筒体上开孔附近弯曲应力性质讨论  

DISCUSSION ON THE BENDING STRESS PROPERTIES NEAR THE OPENING ON CYLINDER

作　　者：曹占飞[1] 

机构地区：[1]中国石化工程建设公司,北京100101

出　　处：《石油化工设备技术》2010年第3期6-8,共3页Petrochemical Equipment Technology

摘　　要：压力容器筒体上开孔的补强问题是压力容器设计的一个关键问题。等面积补强,ASME2004附录1-7(b)和有限元分析是解决该问题的常用方法。文章通过分析比较,最终得到的ASME2004附录1-7(b)的计算结果与有限元法接近,有限元法略微保守,但通过极限分析,两种方法都是可靠的。Reinforcement of the opening on cylinder is a key issue in designing pressure vessel.Area equalization method,ASME2004 appendix1-7(b) and finite element analysis are commonly used to solve this problem.After analyzing and comparing,this paper arrives at a conclusion that the results of ASME2004 appendix1-7(b) and finite element analysis are close,with the latter being slightly conservative.However,after limit analysis,both methods have proved to be reliable.

关 键 词：有限元分析 应力分类 开孔补强 

分 类 号：TH49[机械工程—机械制造及自动化]