... in Figure 4 obtained by randomly perturbing the six shape parameters. Geometric planes and solids Particle size measurement Programming languages The discrete element method (DEM) (Cundall and Strack, 1979) provides a means to perform numerical simulations of granular systems, thus providing...

... (circular particles pack very efficiently but more extreme shapes pack poorly); and (4) partitioning of energy between linear and rotational modes is completely different. Paul W. Cleary can be contacted at: paul.cleary@csiro.au © Emerald Group Publishing Limited 2009 Particle size...

... possible solutions are found. We assume that the particle is considered to be a rigid body, and that particle motion between impact events follows unhindered rigid body motion. © Emerald Group Publishing Limited 2009 Particle size measurement Motion Video Understanding mass particle...

... computations using a novel type of cell lists (Sbalzarini et al., 2005) and Verlet lists (Verlet, 1967). Simulation Particle size measurement Meshes Computer software Programming and algorithm theory The normal elastic deformation of a contact is given by (Equation 1...

...@usace.army.mil © Emerald Group Publishing Limited 2009 Programming and algorithm theory Particle size measurement The greatest computational cost in a discrete element method (DEM) simulation is contact detection. In a domain containing N particles a comparison among N...