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TitleTension-compression asymmetry modelling: strategies for anisotropy parameters identification
Author(s)Barros, Pedro
Alves, J. L.
Oliveira, M. C.
Menezes, L. F.
Issue date1-Jan-2016
PublisherEDP Sciences
JournalMATEC Web of Conferences
Abstract(s)This work presents details concerning the strategies and algorithms adopted in the fully implicit FE solver DD3IMP to model the orthotropic behavior of metallic sheets and the procedure for anisotropy parameters identification. The work is focused on the yield criterion developed by Cazacu, Plunkett and Barlat, 2006 [ 1], which accounts for both tension-compression asymmetry and orthotropic plastic behavior. The anisotropy parameters for a 2090-T3 aluminum alloy are identified accounting, or not, for the tension-compression asymmetry. The numerical simulation of a cup drawing is performed for this material, highlighting the importance of considering tension-compression asymmetry in the prediction of the earing profile, for materials with cubic structure, even if this phenomenon is relatively small.
TypeConference paper
Publisher version
AccessOpen access
Appears in Collections:DEM - Publicações em actas de encontros científicos / Papers in conference proceedings

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