Gas-solid fluidization technology has been commercialized in many industrial applications
since its implementation in the fluid catalytic cracking process in the early 1940s, however …

Process simulation using mathematical modeling tools is becoming more common in the
pharmaceutical industry. A mechanistic model is a mathematical modeling tool that can …

The discrete element method (DEM) is widely used to model a range of processes across
many industries. This paper reviews current DEM models for several common …

Accurate prediction of the discharge rate from hoppers is important in many industrial
processes involving the handling of granular materials. The present work investigates the …

The segregation of granular materials due to differences in particle properties occurs during
a variety of handling and transport processes, such as flow from a hopper. In the present …

The effect of particle aspect ratio and surface geometry on granular flows is assessed by
performing numerical simulations of rod-like particles in simple shear flows using the …

Granular materials may segregate upon processing and handling based on differences in
particle properties such as size, density, or shape. In most instances, this segregation is …

The powder rheometer is a commonly used device for assessing the bulk flow performance
of pharmaceutical powders. Discrete element simulations were performed to determine the …

In recent years, there has been increased focus on the calibration of discrete element
method (DEM) models to gain improved confidence in the simulation predictions. However …

Recent years have seen significant progress in our understanding of the rheology of dry
granular materials. A scale invariance of equations of motion in the rigid grain limit has …