Table 2: Main parameters used in simulation

Parameters of vibration and structure characteristic Initial Value Unit
Amplitude λ 4 mm
Vibration frequency f 18.5 Hz
Excitation directions δ 45 degree
Screen slope α 0 degree
Parameters of Collision Particle Shale shaker
Poisson ratio v 0.2 0.3
Shear modulus G(Pa) 5×107 7×1010
Density p(kg/m3) 2600 7800
Parameter of Collision Particle-Particle Particle-Shale shaker
Coefficient of Restitution ek 0.003 0.4
Coefficient of Static Friction µs 0.3 0.5
Coefficient of Rolling Friction µr 0.01 0.002