Table 5 Results of verification experiments
From: An integrated FEM-ANN model for laser bending process with inverse estimation of absorptivity
S. No. | Power (W) | Velocity (mm/min) | SD (mm) | Beam diameter (mm) | ANN predicted absorptivity | Computed bend angle with the numerical model (°) | Average value of bend angle in Experiments (°) | Error in bend angle (%) |
|---|---|---|---|---|---|---|---|---|
1 | 650 | 2000 | 45 | 8.710 | 0.638 | 0.856 | 0.816 | 4.90 |
2 | 500 | 2500 | 30 | 5.807 | 0.648 | 0.885 | 0.863 | 2.55 |
3 | 450 | 4500 | 30 | 5.807 | 0.847 | 0.473 | 0.512 | 7.62 |
4 | 400 | 3500 | 35 | 6.775 | 0.86 | 0.314 | 0.305 | 2.95 |
5 | 600 | 1500 | 35 | 6.775 | 0.773 | 1.189 | 1.202 | 1.08 |
6 | 350 | 3000 | 40 | 7.743 | 0.938 | 0.179 | 0.171 | 4.68 |
7 | 700 | 4000 | 20 | 3.872 | 0.551 | 1.546 | 1.469 | 5.24 |
8 | 500 | 3500 | 50 | 9.678 | 0.777 | 0.109 | 0.118 | 7.62 |
Average error = 4.14 % | ||||||||