Multiscale coupled model of thermoelastoviscoplasticity and damage and its application for modelling metal forming processes

The micromechanical model of damage and fracture of elastovisoplastic materials is suggested and applied to studying the processes of damage and fracture. The model describes the scale effect in processes of damage and localization of plastic strain in adiabatic shear bands. For the integration of the suggested equations the new splitting method was used. It was shown that it has significant advantages compare to existing iterative methods. The possibilities of the model suggested for the description of the plastic strain localization are illustrated by several examples.