Hubert, M.; Trosman, O.; Collard, Y.; Sukhov, A.; Harting, J.; Vandewalle, N.; Smith, Ana-Sunčana (2021) Scallop Theorem and Swimming at the Mesoscale. Physical Review Letters, 126 (22). ISSN 0031-9007
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Abstract
By comparing theoretical modeling, simulations, and experiments, we show that there exists a swimming regime at low Reynolds numbers solely driven by the inertia of the swimmer itself. This is demonstrated by considering a dumbbell with an asymmetry in coasting time in its two spheres. Despite deforming in a reciprocal fashion, the dumbbell swims by generating a nonreciprocal Stokesian flow, which arises from the asymmetry in coasting times. This asymmetry acts as a second degree of freedom, which allows the scallop theorem to be fulfilled at the mesoscopic scale.
| Item Type: | Article |
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| Uncontrolled Keywords: | Locomotion ; Swimming ; Physical Systems ; Active matter ; Low Reynolds number ; swimmers, Self-propelled particles ; Lattice-Boltzmann methods ; Fluid Dynamics |
| Subjects: | NATURAL SCIENCES > Physics NATURAL SCIENCES > Physics > Condensed Matter Physics |
| Divisions: | Division of Physical Chemistry |
| Depositing User: | Ana Sunčana Smith |
| Date Deposited: | 11 Nov 2021 06:07 |
| URI: | http://fulir.irb.hr/id/eprint/6570 |
| DOI: | 10.1103/physrevlett.126.224501 |
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