Second-order second-moment reliability index 二阶二次矩可靠性指标
The advanced first order and second moment iterative method are employed for calculation on reliability index and failure probability.
采用改进的一次二阶矩法对腐蚀管道的可靠性指标和失效概率进行了分析和计算。
Based on the generalized reliability index given by Ditlevsen and the first order second moment method, a simplifed calculating method on structural reliability is presented.
基于由 Ditlevsen 给出的广义可靠指标和一次二阶矩法，提出了一个简捷的结构可靠度计算方法。
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