Use of Multiquadric Functions for Multivariable Representation of the Aerodynamic Coefficients of Airfoils

Table 7

Results for the four-variable case obtained from the approximation functions.

UBI_03_016 airfoil-CL/CD/CM
Function	REL.P	CT [s]	RT [s]	GT [s]
Function MQ C(3,3,5,5)	16.1%/55.9%/12.2%	646.4	1.797	7.359
Function MQ C(5,5,5,5)	11.3%/21.2%/4.8%	646.4	1.797	57.93
Function MQ C(5,10,5,5)	5.4%/6.6%/1.9%	646.4	1.797	237.93
Multivariable interpolation	∼0%	646.4	1.797	Not applicable