Computation of shear viscosity of colloidal suspensions by SRD-MD Ala-Nissila, T.

AMK Laganapan, A Videcoq, M Bienia, T Ala-Nissila, D Bochicchio, R Ferrando

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

The behaviour of sheared colloidal suspensions with full hydrodynamic interactions (HIs) is numerically studied. To this end, we use the hybrid stochastic rotation dynamics-molecular dynamics (SRD-MD) method. The shear viscosity of colloidal suspensions is computed for different volume fractions, both for dilute and concentrated cases. We verify that HIs help in the collisions and the streaming of colloidal particles, thereby increasing the overall shear viscosity of the suspension. Our results show a good agreement with known experimental, theoretical, and numerical studies. This work demonstrates the ability of SRD-MD to successfully simulate transport coefficients that require correct modelling of HIs.
Original languageEnglish
Article number144101
Pages (from-to)1-8
JournalJournal of Chemical Physics
Volume142
Issue number14
DOIs
Publication statusPublished - 2015
MoE publication typeA1 Journal article-refereed

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