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김영석(Y.S.Kim),박기철(K.C.Park),김상주(S.J.Kim) 한국자동차공학회 1996 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1996 No.11_1
Boundry element method for 2-dimsional potential problem was used to design of optimum blank shapes for irregular press forming. Material flow at blank holder was asuumed to potential flow. If blank is controlled only by blankhoder, blank shape for optimal drawing was found even though punch profile was complex.<br/> <br/>