Research Article
Dynamic Modeling of a Vibrating Screen Considering the Ore Inertia and Force of the Ore over the Screen Calculated with Discrete Element Method
Table 1
Parameters used for the DEM simulations.
| | Screen width, (mm) | 305 | | Screen length, (m) | 8.235 | | Deck thickness, (mm) | 65 | | Mass flow, (ton/h) | 78.231 | | Number of particles | 42000 | | Particle shape | Spherical | | Particle diameter, (mm) | 76 | 45 | 21 | | 19 | 12 | 10 | | Cumulative particle size distribution, (%) | 100 | 88.84 | 53.85 | | 47.99 | 22.36 | 17.99 | | Density, ; (kg/m3) | 2700; 7800 | | Young’s modulus, ; (Pa) | ; | | Poisson coefficient, | 0.3 | | Restitution coefficient, ; | 0.1; 0.2 | | Friction coefficient, ; | 0.5; 0.545 | | Rolling friction coefficient, | 0.01 | | Gravity acceleration, (m/s2) | 9.81 |
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