Journal
MECHANICS & INDUSTRY
Volume 18, Issue 6, Pages -Publisher
EDP SCIENCES S A
DOI: 10.1051/meca/2017032
Keywords
Induced anisotropy; damage effect; microcracks; constitutive modeling; microplane; plasticity
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The opening-closing state of the microcracks is a kinematic phenomenon usually modeled using a set of damage effectiveness variables, which results in different elastic responses for the same damage level. In this work, the microplane model with volumetric, deviatoric and tangential decomposition denoted V-D-T is modified. The influence of the confining pressure is taken into account in the damage variables evolution laws. For a better understanding of the mechanisms introduced into the model, the damage rosettes are presented for a strain given level. The model is confirmed through comparisons of the simulations with the experimental results of monotonic, and cyclic tensile and compressive testing with different levels of confining pressure.
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