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A two-dimensional micromechanical model of anisotropic elastic-microplastic damage evolution

Archive of Applied Mechanics 1988 2 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Wilfried Becker, Dietmar Groß, D. Gross

Summary

A two-dimensional micromechanical model using oriented Dugdale microcracks captures anisotropic elastic-microplastic damage evolution, predicting macroscopic nonlinear stress-strain behavior and damage anisotropy through homogenization. This damage mechanics framework enables more accurate structural lifetime predictions for materials undergoing progressive microcrack-driven degradation.

A two-dimensional micromechanically based model of anisotropic elastic-microplastic damage evolution is presented. The deterioration of the material is represented by equally oriented Dugdale microcracks. Assuming a physically plausible crack growth law a consequent homogenization gives the macroscopic nonlinear stress-strain behavior during a loading process as well as the evolution of the corresponding anisotropic damage and typical characteristics during a final unloading process.

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