Research Article
Numerical Study of Rock Fragmentation Process and Acoustic Emission by FDEM Based on Heterogeneous Model
Figure 2
Constitutive behavior and failure criterion of crack element: (a) tensile fracture mode (mode I); (b) shear fracture mode (mode II); (c) mixed tension-shear fracture criterion (modes I-II) [3].
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(b) |
(c) |