A1 Refereed original research article in a scientific journal
Dynamical density functional theory analysis of the laning instability in sheared soft matter
Authors: Scacchi, A.; Archer, A. J.; Brader, J. M.
Publisher: AMER PHYSICAL SOC
Publishing place: COLLEGE PK
Publication year: 2017
Journal: Physical review E
Journal name in source: PHYSICAL REVIEW E
Journal acronym: PHYS REV E
Article number: 062616
Volume: 96
Issue: 6
Number of pages: 8
ISSN: 2470-0045
eISSN: 2470-0053
DOI: https://doi.org/10.1103/PhysRevE.96.062616
Abstract
Using dynamical density functional theory (DDFT) methods we investigate the laning instability of a sheared colloidal suspension. The nonequilibrium ordering at the laning transition is driven by nonaffine particle motion arising from interparticle interactions. Starting from a DDFT which incorporates the nonaffine motion, we perform a linear stability analysis that enables identification of the regions of parameter space where lanes form. We illustrate our general approach by applying it to a simple one-component fluid of soft penetrable particles.
Using dynamical density functional theory (DDFT) methods we investigate the laning instability of a sheared colloidal suspension. The nonequilibrium ordering at the laning transition is driven by nonaffine particle motion arising from interparticle interactions. Starting from a DDFT which incorporates the nonaffine motion, we perform a linear stability analysis that enables identification of the regions of parameter space where lanes form. We illustrate our general approach by applying it to a simple one-component fluid of soft penetrable particles.
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