结构可靠性仿真方法研究
THE STRUCTURAL RELIABILITY SIMULATION
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摘要: 可靠性仿真是对复杂结构系统进行可靠性分析计算最为有效的方法,引起了研究者越来越广泛的关注. 综合目前结构可靠性仿真方法研究现状,介绍了蒙特卡罗(Monte-Carlo,MC)法、极限状态方程重构法、随机有限元法(stochastic finite element method,SFEM)进行结构可靠性仿真计算的特点及发展现状,归纳了固体火箭发动机(solid rocket motor,SRM)结构可靠性的特点及当前进行仿真的方法;并在此基础上分析了目前结构可靠性仿真方法及对SRM 结构可靠性进行仿真分析计算时存在的不足及需要进一步研究的内容.Abstract: The reliability simulation is a very effective method for reliability analysis of complicated structural systems. The characteristics of the Monte-Carlo (MC) method, the method to estimate the limit state function and the stochastic finite element method (SFEM) are discussed in this paper, with emphasis on the simulation of the solid rocket motor (SRM).