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Updated: Apr 7, 2026

Studying Large Amplitude Oscillatory Shear Response of Soft Materials
Published on: April 25, 2019
Steady-state deformation behavior of confined composite droplets under shear flow
Stanislav Patlazhan1, Sergei Vagner2, Igor Kravchenko2
1Semenov Institute of Chemical Physics of Russian Academy of Sciences, 4, Kosygin Street, Moscow, 119991, Russia.
Abstract:
The shear-induced dynamics of two-dimensional composite droplets in a narrow channel is investigated numerically. The droplets consist of a viscous inner droplet (core) and shell immersed in a continuous Newtonian fluid. Attention is focused on studying the effects of confinement at different core-to-shell radii ratios, relative viscosities of the medium components, and interfacial tensions on the steady-state deformation and orientation of a composite droplet. The role of the "sustaining" effect due to the internal core and competition between the near-wall shear flow and downward and upward secondary streams is discussed.
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