Fig. 6

SVR model predicted values versus CFD simulated values: (a) training set; (b) test set. GPR model predicted values versus CFD simulated values: (c) training set; (d) test set.

SVR model predicted values versus CFD simulated values: (a) training set; (b) test set. GPR model predicted values versus CFD simulated values: (c) training set; (d) test set.