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Controlled FEM simulation for determining optimum motion of tools in metal forming
Osakada, K.,Mori, K.,Yang, G.,Wang, C. C. 대한기계학회 1995 International Forum on Advances in Mechanical Engi Vol.1 No.1
A method for determining optimal motion of tools in metal forming processes by using the finite element method is proposed. In this method, the calculated results such as the shape of deforming workpiece, stress, strain, strain rate and velocity are monitored in each deformation step of the finite element simulation, arid the forming motion of the tools is iteratively optimized on the basis of a control scheme referring to the monitored results. The effectiveness of the present method is demonstrated by its application to the determinations of the blank holding force in deep drawing and of the motion of rolls in three-roll bending.