Gaffney, E;
Dalwadi, M;
Moreau, C;
Ishimoto, K;
Walker, B;
(2022)
Canonical orbits for rapidly deforming planar microswimmers in shear flow.
Physical Review Fluids
(In press).
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Abstract
Classically, the rotation of ellipsoids in shear Stokes flow is captured by Jeffery’s orbits. Here, we demonstrate that Jeffery’s orbits also describe general shape-deforming swimmers moving in the plane of a shear flow, employing only basic properties of Stokes flow and a multiple-scales asymptotic analysis. In doing so, we support the use of these simple models for capturing shape-changing swimmer dynamics in studies of active matter and highlight the ubiquity of ellipsoid-like dynamics in complex systems. This result is robust to weakly confounding effects, such as distant boundaries.
| Type: | Article |
|---|---|
| Title: | Canonical orbits for rapidly deforming planar microswimmers in shear flow |
| Open access status: | An open access version is available from UCL Discovery |
| Publisher version: | https://journals.aps.org/prfluids/accepted/6b071Y3... |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Mathematics |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10142337 |
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