STUDY OF ELASTIC STRENGTH FOR CYLINDRICAL VESSELS WITH LATERAL UNDER INTERNAL PRESSURE

摘要：

The objective of this work is to study the elastic stress distribution, deformation characteristic, stress concentration and stress concentration factor of three full scale vessels with different structure dimension and lateral angelθ（θ＝30°，45°，60°）under internal pressure by both experimental and three dimensional nonlinear finite element methods. The results of experiment and three-dimensional nonlinear finite element method are in good agreement. Distinct stress concentration occurs. The intersection region shrinks in the longitudinal section of cylinder, while bulge appears in the transverse section. The maximum stress of the structure occurs at acute side of nozzle-cylinder intersection in the longitudinal section of cylinder. When d/D, D/T, t/T radios of the structure are fixed, stress concentration factor at the most dangerous point of the structure decreases with the incensement of lateral angel θ.

作者: Nan Li Wei Guo-hong Sang Zhi-fu

会议类型: 国际会议

会议名称: 第九届工程结构完整性国际会议(The Ninth International Conference on Engineering Structural Integrity Assessment)

会议地点: 北京

会议语种:英文

在线出版日期: 2007-10-15（万方平台首次上网日期，不代表论文的发表时间）