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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 %