Dynamical Simulations of Granular Flows on Multi-Processor Computers

Particle algorithms are becoming a standard tool for the dynamical simulation of granular flows. An overview of the standard techniques is given along with a discussion of their suitability for multi-processor machines of the ve ctor or scaler type. In particular, the issues surrounding efficiency and load-balancing are discussed. Furthermore, two examples illustrating the potential uses of such simulations for ind ustrial applications are discussed: 1) simulation of granular flows through a hopper and 2) determination of diffusion constants in rotating drums.