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Issue 35, 2016
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Modeling a spheroidal microswimmer and cooperative swimming in a narrow slit

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Abstract

We propose a hydrodynamic model for a spheroidal microswimmer with two tangential surface velocity modes. This model is analytically solvable and reduces to Lighthill's and Blake's spherical squirmer model in the limit of equal major and minor semi-axes. Furthermore, we present an implementation of such a spheroidal squirmer by means of particle-based mesoscale hydrodynamics simulations using the multiparticle collision dynamics approach. We investigate its properties as well as the scattering of two spheroidal squirmers in a slit geometry. Thereby we find a stable fixed point, where two pullers swim cooperatively forming a wedge-like conformation with a small constant angle.

Graphical abstract: Modeling a spheroidal microswimmer and cooperative swimming in a narrow slit

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Article information


Submitted
21 Jun 2016
Accepted
08 Aug 2016
First published
08 Aug 2016

This article is Open Access

Soft Matter, 2016,12, 7372-7385
Article type
Paper

Modeling a spheroidal microswimmer and cooperative swimming in a narrow slit

M. Theers, E. Westphal, G. Gompper and R. G. Winkler, Soft Matter, 2016, 12, 7372 DOI: 10.1039/C6SM01424K

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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