一种基于证据理论的结构可靠性分析方法

被引:24
作者
姜潮
张哲
韩旭
白影春
机构
[1] 汽车车身先进设计制造国家重点实验室湖南大学机械与运载工程学院
关键词
结构可靠性; 证据理论; 区间分析; 认知不确定性;
D O I
暂无
中图分类号
TB114.3 [可靠性理论];
学科分类号
摘要
提出了一种基于证据理论的结构可靠性高效求解方法.通过构造优化问题求解极限状态方程的非概率可靠性指标及设计验算点,并构造一辅助区域.通过辅助区域显著减少需要进行极值分析的焦元个数,并基于区间分析方法减少焦元上极限状态方程的计算次数,从而有效降低计算成本.数值算例及工程应用验证了该方法的有效性.
引用
收藏
页码:103 / 115
页数:13
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