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针对工程结构数值模拟常常是矢量与函数(矢量函数)混合输出的特点,提出一种基于混合策略的含索引变量的矢量高斯过程响应面法,同时提出一种设计点自适应加密方法进一步提高效率。算例显示:本文方法能够优先拾取预测误差最大的点作为加密点;真实误差全部都落在最大可能误差范围之内,最大误差1.4%~1.6%远小于预设误差限5%,验证了本文方法的有效性。
Aimed at the mixed output of vector and function (vector function), numerical simulation of engineering structure is a vector Gaussian process response surface method based on hybrid strategy with index variable. At the same time, a design point adaptive encryption method is proposed to further improve the efficiency . The example shows that this method can preferentially pick up the point with the largest prediction error as the encryption point; all the real errors fall within the maximum possible error range, the maximum error of 1.4% ~ 1.6% is far less than the preset error limit of 5% The effectiveness of the method.