Simulation of double-deck vibrating screens based on DEM ‎using PFC3D software

Double-deck industrial vibrating screens are extensively ýused for solid-solid separation based on particle size. ýDiscrete Element Method (DEM) is a numerical simulation ýapproach that can compute interactions between particles, ýparticles and screen surface and their movement. In this ýarticle, the results of simulation of particles classification ýin a 5-panel banana screen with DEM under PFC3D ýenvironment is presented. DEM simulations were ýperformed to study the effects of operating conditions and ýgeometry on classification performance. The results ýpreviously reported in literature by other researchers were ýused to validate DEM predications in current research. The ýmean relative error of partition curves for screen overflow, ýmiddlings and underflow were 38.6 %, 16.9 % and 12.8 %, ýrespectively. Given the close agreement between trends of ýpartition curves in previous and current studies, values and ýsources of prediction errors, the accuracy of performed ýsimulation is evaluated as acceptable.