Fig. 1 Schematic diagram for electrohydraulic forming process
Fig. 2 Experimental apparatus for electrohydraulic forming
Fig. 3 Current curve from the experiment at 8 kV
Fig. 4 Final deformation shape of Al 6061-T6 at 8 kV
Fig. 5 Finite element model for electrohydraulic forming
Fig. 6 Training samples with respect to C and p values
Fig. 7 Deformation results in the numerical simulation
Fig. 8 A general structure of artificial neural network
Fig. 9 A system of neural networks to estimate the parameters
Fig. 10 Final deformation shapes of the blank at different parameters
Fig. 11 Test samples from random sampling
Fig. 12 The plot of error according to C and p values
Fig. 13 Stress-strain curves at different strain rate condition of Al 6061-T6
Fig. 14 Comparison of experiment, numerical simulation, and ANN model
Table 1 Numerical validation of the surrogate model with training samples based on ANN
Table 2 Numerical validation of the surrogate model with test samples based on ANN
Table 3 Comparison of MSE between ANN, LS-DYNA, and experiment
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