ABSTRACT
This chapter summarizes the direct numerical simulation methods for simulating the motions of colloidal particles in viscous liquids. It describes the basic equations for colloidal particles in an electrolyte solution, and described the difficulties in directly simulating many-colloid systems in traditional numerical schemes. Powder simulation, or the computer simulation of powder behavior, has played an important role in the understanding of powder phenomena and its use in industry. There are several simulation methods in powder technology, as follows: distinct element method (DEM), finite element method, direct simulation monte carlo, smoothed particle hydrodynamics, and automaton, and the method in which these methods are coupled to each other. D. Nguyen et al. analyzed the impact of agglomerates on a spherical surface as relevant to dry powder inhalation technology using DEM. DEM coupled with computational fluid dynamics simulation has been applied to wet milling processing.
