A crack-tracking technique for localized cohesive-frictional damage

Cita com:
hdl:2117/86670
Document typeArticle
Defense date2015-12-01
Rights accessOpen Access
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Attribution-NonCommercial-NoDerivs 3.0 Spain
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. (C) 2015 Elsevier Ltd. All rights reserved.
CitationSaloustros, S., Pela, L., Cervera, M. A crack-tracking technique for localized cohesive-frictional damage. "Engineering fracture mechanics", 01 Desembre 2015, vol. 150, p. 96-114.
ISSN0013-7944
Publisher versionhttp://www.sciencedirect.com/science/article/pii/S0013794415006293
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