Application and comparison of different elastoplastic constitutive models for springback simulation of aluminum sheet forming-中国Betway体育网页登陆

摘要 Springbackisconsideredtobeoneofthemostimportantproblemsinaluminumsheetstampforming,leadingtodeviationfromthedesignedtargetshapeandassemblydefects.Inthisstudy,aspringbacksimulationmodelbasedonthebenchmarkofaJaguarLandRoveraluminumpanelisestablished.Weembedseveralelastoplasticconstitutivemodels(Barlat's89,Barlat'sYLD2000,Yoshida-Uemori(YU)+Barlat's89,andYU+Barlat'sYLD2000)inthefiniteelementmodel,inordertodiscusstheinfluenceoftheconstitutivemodelselectiononspringbackpredictioninaluminumsheetforming.

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Application and comparison of different elastoplastic constitutive models for springback simulation of aluminum sheet forming

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