Computational steering of cluster formation in Brownian suspensions

M. Hecht, J.D.R. Harting

Research output: Contribution to journalArticleAcademicpeer-review

6 Citations (Scopus)

Abstract

We simulate cluster formation of model colloidal particles interacting via DLVO (Derjaguin, Landau, Vervey, Overbeek) potentials. The interaction potentials can be related to experimental conditions, defined by the -value, the salt concentration and the volume fraction of solid particles suspended in water. The system shows different structural properties for different conditions, including cluster formation, a glass-like repulsive structure, or a liquid suspension. Typically, many simulations are required to explore the parameter space. In order to reduce the computational effort and data storage requirements, we developed a steering approach to control a running simulation and to detect interesting transitions from one region in the configuration space to another. The advantages of the steering approach and the restrictions of its applicability due to physical constraints are illustrated by several example cases.
Original languageEnglish
Pages (from-to)995-1002
JournalComputers and Mathematics with Applications
Volume58
Issue number5
DOIs
Publication statusPublished - 2009

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