Table 6: Responses at initial and optimum designs.

DesignDeign variable (mm)Response
(kg) SF

Initial (steel)18.022.023.024.021.527.53.40.003412.7

Initial (Al) 18.022.023.024.021.527.51.1600.0253.1
Optimum19.320.620.021.820.626.21.1420.01992.8