Abstract

A computer simulation of rapid granular flow has been developed to investigate the properties of granular materials. The system is designed to be very simple and efficient, so that simulated flow problems can be set up easily and run until a steady state flow is achieved. The particles are modeled as two-dimensional rigid disks with realistic coefficients of friction and restitution. Stochastic boundaries are used to eliminate wall effects, for the simulation of uniform flow. An advanced personal computer system is used to perform the computations and to display movies of the flow, for rapid comprehension of the local flow mechanics.

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