Journal
JOURNAL OF CONVEX ANALYSIS
Volume 28, Issue 2, Pages 535-548Publisher
HELDERMANN VERLAG
Keywords
Fracture mechanics; plasticity; quasistatic evolution; rate-independent problems; finite element method
Categories
Funding
- National Research Projects (PRIN) - Italian Ministry of Education, University, and Research
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The study introduces a numerical implementation of a quasi-static crack growth model for linearly elastic-perfectly plastic materials, showing evidence of intermittent crack growth with jump characteristics that are influenced by material properties.
We present a numerical implementation of a model of quasi-static crack growth in linearly elastic-perfectly plastic materials. We assume that the displacement is antiplane, and that the cracks and the plastic slips are localized on a prescribed path. We provide numerical evidence of the fact that the crack growth is intermittent, with jump characteristics that depend on the material properties.
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