Progress in Model for Particle Flow

The granular materials are utilized in a wide variety of industrial applications.The complex hydrodynamics of granular flow is still not fully understood.The models for particle flow are reviewed including continuum mechanics methods and discrete mechanics methods.The continuum mechanics methods are simple but have low accuracy.The discrete mechanics methods are fully based on the Lagrangian approach for the simulation of motion of granular material on the microscopic level of particles,and can describe the motion of particles more accurately.The theory and the applications of these models are briefly described.It is clear that every model has its own application range.It needs to make a further research on the model for particle flow in order to describe the motion of granular materials more factually and conveniently.