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Fracture Simulation in Materials | DISROC |  |
A great variety of classical or new constitutive models are available in DISROC
for bulk materials (geomaterials, composites), interfaces and fractures, and reinforcements (fibers, rockbolts ...)
| • Solid materials: - Elastic-plastic behavior
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Linear isotropic or anisotropic
elasticity
- Mohr-Coulomb, Drucker-Prager, Hoek & Brown plastic failure criteria
- Anisotropic Darcy’s law for hydraulic
diffusion |  |
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• Discontinuities: fractures, faults, rock joints, masonry joints and
interfaces:
- Non linear elasticity (hyperbolic model for limiting joint closure) - Mohr-Coulomb strength criterion (cohesion, friction angle) - Non linear elasticity with softening strength criterion (Barton-Bandis model) - Cohesive zone model for damaging joints and interfaces - Poiseuille’s law for flow in fractures |  |
| • Reinforcements (cables, bars, FRP) - Elastic-plastic model for the rod
- Elastic-plastic model for rock–grout interface (tangent elastic stiffness, cohesion and
friction angle)
- Damaging cohesive zone model for rock–grout interface - Tube models for flow through cable holes |  |
| • Bolts, beams and shells (bending property): - Elastic-plastic model for steel
rod with bending modulus
- Elastic-plastic model for rock–grout interface
- Damaging cohesive zone model for rock–grout interface
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More information: Materials Catalog , Disroc Diaporama
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