Abstract
In order to understand and control the process of laser peen forming (LPF) of sheet metal, a developed FEM model was established and the process of LPF was simulated by FEM code ABAQUS. Special emphasis was posed on the part of the model devoted to the analysis of 3D residual stress distribution under laser shock wave loading. With the aid of simulation method, the influence of laser parameters, number of shots, peening tracks and the characteristics of sheet bending were investigated. The results indicate that the bending deformation of metal sheet is relative to laser peening numbers, peening coverage and the plate’s thickness, both upper and back layers of the deformed sheet exists residual compressive stresses.
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