Table 4 Objective function.
Grade type | Optimization objective | Fit the function expression |
|---|---|---|
AC-13 | Interface ultimate breaking tension | y1 = 2615.10571–1.94686 x -0.39433 × 2 + 0.00211 × 3 |
Interface ultimate breaking tension | y2 = 3094.52857 -7.20429x -0.08766 × 2 + 0.00136 × 3 | |
Residual stability | y3 = 93.40571 -0.11019x -3.31429E-4 × 2 +(8.53333E-6)x3 | |
SMA-13 | Interface ultimate breaking tension | y1=2757.09857-18.55462x -0.07606x2+(4.10133E-4)x3 |
Interface ultimate breaking tension | y2 = 3733.35714 -8.23857x + 0.07269 × 2 -(6.56E-4)x3 | |
Residual stability | y3 = 88.57 -0.36633x + 0.008 × 2 -(4.42667E-5)x3 |