May 25, 2015· It is known that discrete-element method (DEM) modelling of rock size reduction can be achieved using two approaches – the population balance model (PBM) and the bonded particle model (BPM). However, only the PBM has been successfully used in DEM modelling of a cone crusher in the literature. The aim of this paper is to explore the feasibility of using the BPM to represent the size …