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Abstract：
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According to the large deformation theory and the assumption of ideal forming, the formulae and FE expressions of the one\|step approach, which can be used to analyze the forming process of complex deep drawn parts is presented. Based on this approach and two material models that are of the isotropy rigid\|plasticity material and thickness anisotropy rigid\|plasticity material, the stress and strain distributions in the forming process of a complex deep\|drawn part are fully studied, meanwhile the initial blank of the complex deep drawn part is also optimized.
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Funds：
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留学回国人员基金 ;;
航空科学基金 (0 0H530 72 )
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AuthorIntro：
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Reference：
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1 吴建军,马泽恩不规则形状拉深件毛料的计算机辅助设计西安:西北工业大学学报,1997(1):16～20
2 KChung,ORichmondIdealformingI,HomogeneousdeformationwithminimumplasticworkInternationalJournalofMechanicalSciences.,1992,34(7):575～591
3 YQGuo,JLBatoz,etc.Recentdevelopmentontheanalysisandoptimumdesignofsheetmetalformingpartsusingasimplifiedinverseap proachComputersandStructures,2000,78(1～3):133～148
4 刘莱英理想成形理论及其在板料成形中的应用西安:西北工业大学博士论文,1998,11
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