摘要
导出了结构可靠性指数对结构参数的敏感性导数公式.它适用于正态或非正态、相关或不相关的各种基本变量情况,可直接给出精确的导数值.本文给出的常用情况下导数公式的简化形式可供实际应用.
A general expression of sensitivity derivatives of structural reliabi-lity index with respect to structural parameters is developed in the transformedstandard normal space.It yields exact sensitivity derivatives directly withoutemploying the costly and inaccurate finite-difference approach.For convenienceof use,simplified forms of the expression are also derived under specific condi-tions in the original space.Verification and some practical applications of theexpression are presented through a numerical example.
出处
《上海交通大学学报》
EI
CAS
CSCD
北大核心
1989年第3期55-62,共8页
Journal of Shanghai Jiaotong University
关键词
结构
可靠性
指数
结构参数
导数
structural reliability
reliability index
structural parameters
sensitivity derivatives
