A penalty rigid-plastic finite element method for prediction of stress distributions at the tool and workpiece interfaces in metal forming (소성가공중 금형과 가공체의 접촉면에 작용하는 응력의 예측을 위한 벌칙 강소성 유한요소법)
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- Transactions of the Korean Society of Mechanical Engineers
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- v.15 no.2
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- pp.507-514
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- 1991