基于序贯设计和高斯过程模型的结构动力不确定性量化方法

万华平,张梓楠,周家伟,任伟新

Uncertainty quantification of structural dynamic characteristics based on sequential design and Gaussian process model

Huaping WAN,Zinan ZHANG,Jiawei ZHOU,Weixin REN

表 4 自适应GPM、GPM和MCS法的均值和方差计算结果对比（第3阶固有频率）

Tab.4 Comparison of mean and variance adaptive GPM, GPM and MCS (third natural frequency)

方法 均值 方差 均值相对误差/% 方差相对误差/% 计算时间/s 自适应GPM (27) 27.237 0 3.782 8 0.003 7 0.361 6 14.3 GPM (44) 27.237 1 3.775 2 0.003 6 0.561 5 20.1 MCS 27.238 0 3.796 5 — — 1 789.2