Structural Weight and Stiffness Optimization of a Midibus Using the Reinforcement and Response Surface Optimization (RSO) Method in Static Condition

Table 6

Accuracy of the goodness of fit in the response surface (RS).

ANSYS statistical metrics	Output parameters (mass and total deformation)
	Masses									Deformation
	P6	P7	P8	P9	P10	P15	P16	P20	P21	P39
	1	1	1	1	1	1	1	1	1	0.995
RMSE										0.025
RMAE										48.85
RAAE										3.27

: coefficient of determination. The bold value in all output responses (mass and deformation) shows the best fit value.