多随机变量响应面法在结构可靠性分析中的应用

Application of Response Surface Method with Multiple Random Varibles in Structural Reliability Analysis

基于样条函数拟合曲面响应面法,给出确定实验点和拟合响应面的方法,提出一种适用于响应面的一次二阶矩优化算法.算例表明,所提出的拟合曲面响应面算法具有使用简单和计算精度高的特点.

A response surface method（RSM） fitting with the spline function was presented.The methods of determining experiment points and fitting the response surface function were given and an improved first order reliability method（FORM） was presented for the response surface function.The examples show that the presented RSM algorithm are simply used with high accuracy.