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AN EVIDENCE-THEORY-BASED RELIABILITY ANALYSIS METHOD FOR UNCERTAIN STRUCTURES
Author(s): 
Pages: 103-115
Year: Issue:  1
Journal: Chinese Journal of Theoretical and Applied Mechanics

Keyword:  结构可靠性 证据理论 区间分析 认知不确定性;
Abstract: 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.
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