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Elsevier, Engineering Fracture Mechanics, (150), p. 96-114, 2015

DOI: 10.1016/j.engfracmech.2015.10.039

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A crack-tracking technique for localized cohesive-frictional damage

Journal article published in 2015 by Savvas Saloustros ORCID, Luca Pelà ORCID, Miguel Cervera ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

This paper extends the use of crack-tracking techniques within the smeared crack approach for the numerical simulation of cohesive-frictional damage on quasi-brittle materials. The mechanical behaviour is described by an isotropic damage model with a Mohr-Coulomb failure surface. The correct crack propagation among the two alternative fracture planes proposed by the Mohr-Coulomb theory is selected with the use of an energy criterion based on the total elastic strain energy. The simulation of three benchmark problems of mixed-mode fracture in concrete demonstrates that the proposed methodology can reproduce the material's frictional characteristics, showing robustness, as well as mesh-size and mesh-bias independence.