Modelling of stress-state-dependent ductile damage with gradient-enhancement exemplified for clinch joining
J. Friedlein, J. Mergheim, P. Steinmann, Journal of the Mechanics and Physics of Solids 196 (2025).

Efficient gradient enhancements for plasticity with ductile damage in the logarithmic strain space
J. Friedlein, J. Mergheim, P. Steinmann, European Journal of Mechanics - A/Solids 99 (2023).