基于高斯过程回归的空天飞行器多精度气动建模方法

季廷炜,查旭,谢芳芳,吴雨思,张鑫帅,蒋逸阳,杜昌平,郑耀

Multi-fidelity aerodynamic modeling method of aerospace vehicles based on Gaussian process regression

Ting-wei JI,Xu ZHA,Fang-fang XIE,Yu-si WU,Xin-shuai ZHANG,Yi-yang JIANG,Chang-ping DU,Yao ZHENG

表 1 2种方法求解气动系数的平均误差对比

Tab.1 Comparison of average errors of solving aerodynamic coefficients by two methods

气动系数 $ {\bar \varepsilon _{{\rm{en}}}} $ $ {\bar \varepsilon _{{\rm{CFD}}}} $ $ \eta $/% Cl 0.02763 0.02222 3.53 Cd 0.01203 0.00411 9.56