Reliability analysis for structure strength of metal O-ring based on probability finite element method

被引：0
|
作者：
Zhou, Mi [1 ]
Xie, Jun [1 ]
Yang, Tian [1 ]
Zhang, Dong-Lin [2 ]
Jiang, Sheng-Han [2 ]
Li, Xiao-Zhong [2 ]
机构：
[1] College of Chemical Engineering, Sichuan University, Chengdu, 610065, China
[2] Nuclear Power Institute of China, Chengdu, 610064, China
来源：
Hedongli Gongcheng/Nuclear Power Engineering | 2010年 / 31卷 / 01期
关键词：
Finite element method - Nuclear power plants - Stochastic systems - Nuclear fuels - Dispersions - Metal analysis - Reliability analysis - Strength of materials;
D O I：
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中图分类号：
学科分类号：
摘要：
Metal O-rings was required as a high reliability sealing element in the safety valve for the application in nuclear power plants. The finite element model for the metal O-rings was constructed with the method of elastoplastic contact analysis based on the ANSYS software. The deformation and equivalence stress distribution of the metal O-rings have been obtained. The Probabilistic Finite Element Analysis for the Structure Strength of Metal O-ring has been done with the ANSYS Probabilistic Design System (PDS). The analysis result indicates that the strength of the O-ring has high reliability. The strength limit of the material is the most important stochastic input parameter. The reliability of the O-ring can be improved by decreasing the dispersion of the property parameters of the material.
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页码：70 / 73
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