r5.03.12 Viscoplastic behavior with memory effect and Chaboche restoration

Summary:

This document describes the integration of the Chaboche elasto-visco-plastic behavior model with isotropic work hardening including a work-hardening memory effect and two nonlinear kinematic workings, with possible consideration of restoration and viscosity. This model can be used by the VISCOCHAB relationship of the COMPORTEMENT keyword. The implanted model has a work-hardening effect on the recall tensor variables and takes into account all the variations of the coefficients with temperature [1] _ . This law of behavior is integrated by solving a system of nonlinear equations. This model is available in 3D, plane deformation, axisymmetry. Plane stress modeling is taken into account.

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à part pour le calcul de la jacobienne