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조재민(J. M. Cho),정재봉(J. B. Jung),조수민(S. M. Cho),전만수(M. S. Joun) 한국소성가공학회 2012 한국소성가공학회 학술대회 논문집 Vol.2012 No.10
In this paper, the predictions of ring compression obtained by various commercialized softwares including ABAQUS, AFDEX, DEFORM, FORGE and SIMUFACT are compared. Except AFDEX, the predictions obtained by Hatzenbichler et al. were employed. Variations of the deformed shapes with coefficient of Coulomb friction and the minimum inner radius with stroke are compared in detail, revealing that the predictions are more or less different from each other. As emphasized by Hatzenbichler et al., this study is aimed not at evaluating the accuracy of the commercialized softwares but at emphasizing the difference of predictions itself. The accuracy of Coulomb friction for AFDEX 2D is tried to be checked by investigating stress components at the die-material interface.