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Analysis Of The Cup Drawing Process And Optimization Of The Blank Holder Force, Hossam Gharib
Analysis Of The Cup Drawing Process And Optimization Of The Blank Holder Force, Hossam Gharib
Archived Theses and Dissertations
The process of deep drawing of a cylindrical cup is analyzed and optimized for the minimum punch force. An analytical model is developed for the cup drawing process by determining the variation of stresses and strains over the deforming sheet at any stage of deformation until a full cup is formed. The model uses finite difference approach and numerical analysis to solve for equilibrium, continuity, and plasticity equations. Then, optimization of the blank holder force (BHF) is carried out using the developed analytical model. Optimization is carried out using genetic algorithms to determine the optimum linear BHF scheme that minimizes …