Table 6 Values of macro and micro parameters from numerical simulation
Parameter | Unit | Value | ||
|---|---|---|---|---|
Macro parameters | Density (ρ) | (kg/m3) | 1860 | |
Elastic modulus (E) | (MPa) | 5 | ||
Poisson’s ratio (v) | (/) | 0.30 | ||
Tensile strength (T) | (kPa) | 30 | ||
Cohesion (c) | (kPa) | 30 | ||
Internal friction angle (\(\varphi\)) | (°) | 12 | ||
Micro parameters | Normal stiffness (\({k}_{n}\)) | (MPa) | \(\frac{{E}_{a}{A}_{c}}{{d}_{{ij}}}\) | |
Shear stiffness (\({k}_{t}\)) | (MPa) | \(\frac{{G}_{a}{A}_{c}}{{d}_{{ij}}}\) | ||
Stiffness ratio (\({k}_{n}/{k}_{t}\)) | (/) | 2.6 | ||
Tolerance of contact (\(d\)) | (m) | Rmin/100 | ||
Particle radius ratio (Rmax/Rmin\()\) | (/) | 10 | ||
Wall friction angle | (°) | 12 | ||
Local Damping | (/) | 0.8 | ||
Viscous Damping | (/) | 0 | ||
