Failure modes in geo‐materials. Basic concepts of fracture mechanics : stress intensity factors, energy release rate, J‐integral, R‐curve. Fracture criteria and experimental techniques. Cohesive zone frictional models for cracks and faults. Sub‐critical crack growth and creep failure. Thermal and hydraulic models of fracture. Computational fracture mechanics : singular and interface finite elements.
Continuum damage mechanics. Upscaling from micro‐cracks to damage. Damage variables and effective stress concept. Micro‐crack closure, unilateral effects, induced anisotropy. Thermodynamics of damage and kinetic laws of damage evolution. Quasi‐brittle damage models for geo‐materials. Damage localization analysis. Computational methods for damage mechanics.
Mechanics of Damage and Rupture
- Institution:
- University of Grenoble Joseph Fourier
- Specialisation:
- ES
- Term:
- Fall 2010
- Teacher(s):
- C. Dascalu
- Credits:
- 3
- Date (from - to):
- 01/11/2010 – 31/01/2011
Suggested readings:
- Broberg K. B., Cracks and Fracture, Academic Press, New York, 1999
- Lemaitre J. and Desmorat R., Engineering Damage Mechanics, Springer, Berlin, 2005
- Atkinson B.K. ed., Fracture Mechanics of Rocks, Academic Press, New York, 1987
- Karihaloo B.L., Fracture Mechanics and Structural Concrete, Addison Wesley, Reading MA, 1995
- Scholz, C., Mechanics of Earthquakes and Faulting, Cambridge University Press, 2002