Reliability analysis approach based on Kriging and advanced first-order second moment method

被引：1
|
作者：
Yuan X. [1 ]
Kong C. [1 ]
Gu J. [1 ]
机构：
[1] School of Aerospace Engineering, Xiamen University, Xiamen
来源：
Guofang Keji Daxue Xuebao/Journal of National University of Defense Technology | 2020年 / 42卷 / 06期
关键词：
Advanced first-order second moment; Failure probability; Gradient calculation; Kriging method; Reliability;
D O I：
10.11887/j.cn.202006019
中图分类号：
学科分类号：
摘要：
For the problem of structural reliability analysis, an analysis method combining Kriging with AFOSM (Advanced first-order second moment) method was proposed. The traditional AFOSM calculation requires the gradient information of the structural limit state function. It is difficult especially when it deals with the implicit limit state function problem involving the finite element model. The proposed method combined Kriging method and AFOSM iteration fully and effectively. The Kriging method provides the gradient information of limit state function so as to overcome the difficulty of the derivation solution and improve the analysis efficiency of limit state function. Finally, numerical and engineering examples are given to verify the efficiency and feasibility of the proposed method. © 2020, NUDT Press. All right reserved.
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页码：150 / 156
页数：6
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