Article (Scientific journals)
Scallop Theorem and Swimming at the Mesoscale
Hubert, Maxime; Trosman, Oleg; Collard, Ylona et al.
2021In Physical Review Letters
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Keywords :
Mesoscale; Microswimmer; Capillarity
Abstract :
[en] 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.
Disciplines :
Physics
Author, co-author :
Hubert, Maxime 
Trosman, Oleg 
Collard, Ylona  ;  Université de Liège - ULiège > Département de physique > Physique statistique
Sukhov, Alexander
Harting, Jens
Vandewalle, Nicolas  ;  Université de Liège - ULiège > Département de physique > Physique statistique
Ana-Suncana, Smith
 These authors have contributed equally to this work.
Language :
English
Title :
Scallop Theorem and Swimming at the Mesoscale
Publication date :
2021
Journal title :
Physical Review Letters
ISSN :
0031-9007
eISSN :
1079-7114
Publisher :
American Physical Society, New York, United States - New York
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 03 June 2021

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