Voronoi polygons as a probe for channel identification in a 2-D system
Journal
Chemical Engineering Communications
Journal Volume
176
Pages
77-87
Date Issued
1999
Author(s)
Abstract
Abstract Voronoi polygons (VP) has been successfully employed for providing microstructural information to many multi-particle assemblies. This work has, however, highlighted the difficulties of employing Voronoi polygons (VP) to identify channels in a two-dimensional, multi-particle assembly. We noted that the VP area distribution is a good channel identifier as the constituent particles on the 2-D surface is only slightly perturbed from a crystal alignment. The asphericity parameter, which has been proposed as a superior index for microstructural descriptor, fails to detect the channel existing in a staggered lattice. Furthermore, the capability of VP in detecting channels decays markedly as the packing order decreases. Limitations of using VP had been addressed. KEYWORDS: Voronoi polyhedrachannel identificationasphericity parameter Additional informationNotes on contributorsD. J. LEE Corresponding author. Fax: 886-2-2362-3040, e-mail: djlee@ccms.ntu.edu.tw
SDGs
Type
journal article