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A finite element strategy coupling a gradient-enhanced damage model and cohesive cracks for quasi-brittle materials

Author
Tamayo, E.; Rodriguez-Ferran, A.
Type of activity
Presentation of work at congresses
Name of edition
12th International Conference on Computational Plasticity: fundamentals and applications
Date of publication
2013
Presentation's date
2013-09
Book of congress proceedings
Computational Plasticity XII: fundamentals and applications: XII International Conference on Computational Plasticity: Barcelona, Spain: september 3-5, 2013: proceedings
First page
376
Last page
387
Repository
http://hdl.handle.net/2117/22094 Open in new window
URL
http://www.scopus.com/record/display.url?eid=2-s2.0-84891277839&origin=resultslist&sort=plf-f&src=s&st1=%22A+finite+element+strategy+coupling+a+gradient-enhanced+damage+model+and+cohesive+cracks+for+quasi-brittle+materials%22&sid=5CCAE23977108A71ECD14D4B037F7322.zQKnzAySRvJOZYcdfIziQ%3a2980&sot=b&sdt=b&sl=132&s=TITLE-ABS-KEY%28%22A+finite+element+strategy+coupling+a+gradient-enhanced+damage+model+and+cohesive+cracks+for+quasi-brittle+materials%22%29&relpos=0&relpos=0&citeCnt=0&searchTerm=TITLE-ABS-KEY%28%5C%26quot%3BA+finite+element+strategy+coupling+a+gradient-enhanced+damage+model+and+cohesive+cracks+for+quasi-brittle+materials%5C%26quot%3B%29 Open in new window
Abstract
A new combined strategy to describe failure of quasi-brittle materials is presented thus allowing the complete description of the process, from initiation of damage to crack propagation. For the early stages of the process, and in order to overcome the well-known problems characterising local descriptions of damage (e.g. mesh-dependence), a gradient-enhanced model based on smoothed displacements is employed. In order to deal with material separation, this continuous description is coupled to a c...
Citation
Tamayo, E.; Rodriguez, A. A finite element strategy coupling a gradient-enhanced damage model and cohesive cracks for quasi-brittle materials. A: International Conference on Computational Plasticity Fundamentals and Applications. "Computational Plasticity XII: Fundamentals and Applications. Proceedings of the XII International Conference on Computational Plasticity – Fundamentals and Applications Barcelona, Spain3 - 5 September 2013". Barcelona: 2013, p. 376-387.
Keywords
Cohesive cracks, Continuous-discontinuous strategy, Extended finite element method, Medial surface, Regularisation, Smoothed displacements
Group of research
LACÀN - Numerical Methods for Applied Sciences and Engineering

Participants