Nonlinear Unsteady Aerodynamics Reduced Order Model of Airfoils Based on Algorithm Fusion and Multifidelity Framework

Table 6

RMSE of the test cases under different algorithms.

Case number	Case 3		Case 4		Case 5		Case 6
Aerodynamic coefficient	cl	cm	cl	cm	cl	cm	cl	cm
Modified LB model	0.1435	0.0742	0.1480	0.0334	0.1043	0.0348	0.1896	0.0380
RBF model	0.0192	0.0195	0.0177	0.0023	0.0113	0.0037	0.0275	0.0070
High-fidelity ROM in this paper	0.1136	0.0366	0.1013	0.0295	0.1177	0.0374	0.1479	0.0388