Structural Modal Analysis and Optimization of SUV Door Based on Response Surface Method

Table 3

Range of design variables of the corresponding panel.

Design variable	Lower bound (mm)	Original thickness (mm)	Upper bound (mm)
	0.5	0.7	0.9
	1.2	1.4	1.6
	0.5	0.6	0.8
	0.6	0.8	1.0