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Optimal Actuation of Flagellar Magnetic Micro-Swimmers

Yacine El Alaoui-Faris 1, 2, 3 Jean-Baptiste Pomet 1, 2 Stéphane Régnier 3, 4 Laetitia Giraldi 5
1 McTAO - Mathematics for Control, Transport and Applications
CRISAM - Inria Sophia Antipolis - Méditerranée
4 Interactions Multi-échelles
ISIR - Institut des Systèmes Intelligents et de Robotique
5 CALISTO - Stochastic Approaches for Complex Flows and Environment
CEMEF - Centre de Mise en Forme des Matériaux, CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : We present an automated procedure for the design of optimal actuation for flagellar magnetic microswimmers based on numerical optimization. Using this method, a new magnetic actuation method is provided which allows these devices to swim significantly faster compared to the usual sinusoidal actuation. This leads to a novel swimming strategy which makes the swimmer perform a 3D figure-8 trajectory. This shows that a faster propulsion is obtained when the swimmer is allowed to go out-of-plane. This approach is experimentally validated on a scaled-up flexible swimmer.
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Submitted on : Wednesday, October 28, 2020 - 2:31:56 PM
Last modification on : Friday, December 3, 2021 - 11:43:50 AM


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Yacine El Alaoui-Faris, Jean-Baptiste Pomet, Stéphane Régnier, Laetitia Giraldi. Optimal Actuation of Flagellar Magnetic Micro-Swimmers. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 2020, ⟨10.1103/PhysRevE.101.042604⟩. ⟨hal-02350868v2⟩



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