Simulations of non-spherical particles suspended in a shear flow

P. Raiskinmäki, A. Shakib-Manesh, A. Koponen, A. Jäsberg, M. Kataja, J. Timonen

Research output: Contribution to journalArticleScientificpeer-review

27 Citations (Scopus)


The lattice-Boltzmann method was used to investigate the effects of the shape and concentration of the particles on the rheological properties of non-Brownian suspensions for non-zero Reynolds numbers. Several case studies were analyzed and the methods used were found to give accurate predictions for these systems. The viscosity of suspensions of both spherical and non-spherical particles was determined as functions of shear rate and concentration of particles. It was shown that, for high shear rates, shear thickening appears. This phenomenon is particularly pronounced for particles of irregular shape.
Original languageEnglish
Pages (from-to)185-195
JournalComputer Physics Communications
Issue number1-3
Publication statusPublished - 2000
MoE publication typeA1 Journal article-refereed


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