Strength Reliability Analysis of Spherical Tanks Based on the Finite Element Method

doi:10.3696/j.issn.1672-6952.2011.04.007

Journal of Liaoning Petrochemical University ›› 2011, Vol. 31 ›› Issue (4): 26-28.DOI: 10.3696/j.issn.1672-6952.2011.04.007

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Strength Reliability Analysis of Spherical Tanks Based on the Finite Element Method

HU Zong-liu1， WU Ming1*， LIU Yong-feng1， JIANG Dong-fang1， WANG Jian2

1.College of Petroleum Engineering，Liaoning Shihua University，Fushun Liaoning 113001，P.R.China； 2.PetroChina Shandong Gas Pipeline Company Points Lost Pigging Stood，Qingdao Shandong 266000，P.R.China

Received:2011-06-01 Published:2011-12-25 Online:2017-07-14

基于有限元法的球罐强度可靠性分析

胡宗柳1，吴明1*，刘勇峰1，姜东方1，王建2

1.辽宁石油化工大学石油天然气工程学院，辽宁抚顺 113001；2.中国石油山东天然气管道有限公司青岛分输清管站，山东青岛 266000

Abstract

Abstract: Spherical tank is more important equipment for stored or packing of gases, liquids and other media of the petrochemical. Its reliability is an important index for security. The concept of reliability analysis was explained. By using finite element software, the reliability of spherical tank and parameter sensitivity was analyzed and evaluated. Parameters' reliability and sensitivity can visually reflects influence of normal distribution design parameters on the reliability and provide scientific reference for reliability design of spherical strength.

Key words: Spherical tank, Finite element, Reliability

摘要： 球罐是石油化工行业储存或盛装气体、液体等介质的重要设备，其可靠性是安全性的重要指标。对可靠性分析的概念进行了简要说明，并通过大型有限元软件对球罐模型的可靠性及参数敏感性进行了分析和评价。参数的可靠度和灵敏度能直观地反映出正态分布设计参数对可靠度的影响，可为球罐强度的可靠性设计提供科学参考。

关键词: 球罐, 有限元, 可靠性

HU Zong-liu， WU Ming， LIU Yong-feng， JIANG Dong-fang， WANG Jian. Strength Reliability Analysis of Spherical Tanks Based on the Finite Element Method[J]. Journal of Liaoning Petrochemical University, 2011, 31(4): 26-28.

胡宗柳，吴明，刘勇峰，姜东方，王建. 基于有限元法的球罐强度可靠性分析[J]. 辽宁石油化工大学学报, 2011, 31(4): 26-28.

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Strength Reliability Analysis of Spherical Tanks Based on the Finite Element Method

基于有限元法的球罐强度可靠性分析

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