Research Article
Crack Initiation Criteria and Fracture Simulation for Precracked Sandstones
Figure 7
Numerical simulation results of single-crack fracture propagation with β = 45°: (a) 0.5 mm thick crack (ρ = 0.25 mm); (b) 2.0 mm thick crack (ρ = 1.0 mm).
(a) |
(b) |