NDLI: Anisotropic finite plasticity with combined hardening and application to sheet metal forming

Content Provider	Springer Nature Link
Author	Vladimirov, I. N. Reese, S.
Copyright Year	2008
Abstract	In this work, we discuss a finite strain constitutivemodel combining both nonlinear isotropic and nonlinear kinematic hardening. The kinematic hardening component represents a continuum extension of the classical rheological model of Armstrong-Frederick kinematic hardening. The evolution of elastic anisotropy is represented by defining the Helmholtz free energy as a function of a family of evolving structural tensors. In addition, plastic anisotropy is modelled via the dependence of the yield surface on the plastic deformation and on the structural tensors. The integration of the evolution equations has been performed by means of a new form of the exponential map algorithm which automatically satisfies plastic incompressibility and retains the symmetry of the internal variables. The model has been validated based on experimental data and simulations of draw bending of a sheet strip and deep drawing of a cup.
Starting Page	293
Ending Page	296
Page Count	4
File Format	PDF
ISSN	19606206
Journal	International Journal of Material Forming
Volume Number	1
Issue Number	1
e-ISSN	19606214
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-04-15
Publisher Place	Paris
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	finite strains kinematic hardenig elastic and plastic anisotropy exponential map springback Computer-Aided Engineering (CAD, CAE) and Design Computational Intelligence Mechanical Engineering Manufacturing, Machines, Tools Materials Science Operating Procedures, Materials Treatment
Content Type	Text
Resource Type	Article
Subject	Materials Science

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