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- W4383702539 abstract "Confinement can be used to systematically tame turbulent dynamics occurring in active fluids. Although periodic channels are the simplest geometries to study confinement numerically, the corresponding experimental realizations require closed racetracks. Here, we computationally study 2D active nematics confined to such a geometry-an annulus. By systematically varying the annulus inner radius and channel width, we bridge the behaviors observed in the previously studied asymptotic limits of the annulus geometry: a disk and an infinite channel. We identify new steady-state behaviors, which reveal the influence of boundary curvature and its interplay with confinement. We also show that, below a threshold inner radius, the dynamics are insensitive to the presence of the inner hole. We explain this insensitivity through a simple scaling analysis. Our work sheds further light on design principles for using confinement to control the dynamics of active nematics." @default.
- W4383702539 created "2023-07-10" @default.
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- W4383702539 date "2023-01-01" @default.
- W4383702539 modified "2023-10-16" @default.
- W4383702539 title "From Disks to Channels: Dynamics of Active Nematics Confined to an Annulus" @default.
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- W4383702539 doi "https://doi.org/10.1039/d3sm00477e" @default.
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