A convex model approach for structure non-probabilistic reliability analysis. (October 2017)

• Record Type: Journal Article
• Authors: Yang, Zhengmao; Zhang, Yanjuan; Meng, Wenjun; Cai, Jianghui
• Is Part Of: Proceedings of the Institution of Mechanical Engineers. Volume 231:Number 5(2017:Oct.)
• Page Start: 508
• Page End: 515
• Publication Date: 2017-10
• Subjects: Reliability analysis -- structural engineering -- convex model -- support vector machines -- limit state function; Reliability (Engineering) -- Mathematical models -- Periodiclals; Risk assessment -- Mathematical models -- Periodicals; Engineering design -- Mathematical models -- Periodicals; 620.00452
• DOI: 10.1177/1748006X17710817
• Languages: English
• ISSNs: 1748-006X

Abstract

In this article, a novel approach, that is, convex model method of set theory, is proposed to investigate the non-probabilistic reliability of bridge crane. Considering the metal structure system of the bridge crane, the finite element method is applied to obtain the stress response of the structure dangerous point. Then, the sample of stress response of the structure danger point and uncertain parameters are obtained. Finally, based on support vector machines, the structure implicit regression function of the system is replaced by explicit expression that calculates the non-probabilistic reliability of the structure. Results show that this approach is useful and efficient to solve the problem of non-probabilistic reliability in the metal structure.