Abstract
In this paper, fully coupled constitutive equations accounting for combined isotropic and kinematic hardening as well as the isotropic ductile damage are implemented into the general purpose finite element code for metal forming simulation. The associated numerical aspects concerning both the local integration of the coupled constitutive equations as well as the global (equilibrium) integration schemes are presented. Various 2D and 3D examples are given in order to show the capability of the proposed numerical methodology to predict the ductile fracture initiation and growth during metal forming processes.
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