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Finite Element formulation of a general asymmetrical yield function for pressure sensitive metals
conference contribution
posted on 2017-01-01, 00:00 authored by Saijun Zhang, Yanshan Lou, Jeong YoonJeong YoonFinite Element formulation is developed for a recently proposed asymmetrical yield function [7] with the dependence on the stress invariants for pressure sensitive metals. The asymmetric yield function [7] is implemented into ABAQUS User Material Interface. Numerical simulations are performed for AZ31B magnesium sheet alloy for the verification purpose. Simulations are conducted under uniaxial tension and uniaxial compression in different orientations. In order to capture the r-values, non-associated flow rule is incorporated in the implementation. The simulations shows that the yield function provides reasonable predictions for strength differential effect and also anisotropic behavior in both tension and compression.
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Event
Technology of Plasticity. Conference (2017 : Cambridge, Eng.)Volume
207Series
Technology of Plasticity ConferencePagination
215 - 220Publisher
ElsevierLocation
Cambridge, Eng.Place of publication
Amsterdam, The NethelandsPublisher DOI
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2017-09-17End date
2017-09-22eISSN
1877-7058Language
engPublication classification
E1 Full written paper - refereedCopyright notice
2017, The AuthorsEditor/Contributor(s)
J AllwoodTitle of proceedings
ICTP 2017 : Proceedings of the International Conference on the Technology of Plasticity 2017Usage metrics
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