Numerical simulation and parameter optimization for shot peen forming process based on temperature gradient

The shot peen forming process model presented herein can be used to properly simulate the progressive deformed plastic layer, using a notional temperature gradient to appropriate macroscopic deformation. Based on that, a nonlinear relationship between peening parameters specified for each discrete peening area and deflection at node points was set up, and then using a constrained optimization procedure to find an optimal solution subject to specific conditions. This simulation sharply reduces computation expenses, therefore it can quickly estimate peen forming process's time and result, and find an optimal solution subject to specific conditions.