Research Article
Crack Initiation Criteria and Fracture Simulation for Precracked Sandstones
Figure 6
Numerical simulation of fracture propagation with β = 15°: (a) 0.5 mm thick crack (ρ = 0.25 mm); (b) 2.0 mm thick crack (ρ = 1.0 mm).
| (a) |
| (b) |
| (a) |
| (b) |