数论方法在结构体系可靠度计算中的应用

Application of numbertheoretic method to calculation of structural system reliability

提出以数论为基础计算多维正态分布函数值的方法，可用于高精度计算结构体系失效概率．数值示例证明推荐的方法具有足够的精度．

Based on the numbertheoretical method, the proposed method is used for calculating the multidimensional normal distribution, and this method has been proved by some numerical examples to calculate the failure probability of structural system with high accuracy.