Research Article
Numerical Study of Rock Fragmentation Process and Acoustic Emission by FDEM Based on Heterogeneous Model
Table 1
Input parameters of FDEM model.
| | Parameters attribution | Parameters | Unit |
| | Triangle solid element | Elastic modulus, E | GPa | | Poisson’s ratio, ν | — | | Density, ρ | kg/m3 |
| | Quadrilateral crack element | Fracture penalty, | — | | Tensile strength, | MPa | | Cohesion, c | MPa | | Internal friction angle, | — | | Mode I fracture energy, | J/m2 | | Mode II fracture energy, | J/m2 |
| | Element contact | Friction angle, φ | — | | Normal penalty parameter, | GPa | | Tangential penalty parameter, | GPa |
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