Numerical study of the combined stroke swimmer in an incompressible fluid

Kumar, Aditya; Pourquié, M.J.B.M.; See-Wai Tam, Daniel S.W.; Ooms, Gijs

Numerical study of the combined stroke swimmer in an incompressible fluid

Journal article (2020)

Authors

Aditya Kumar Student

M.J.B.M. Pourquié Fluid Mechanics

Daniel S.W. See-Wai Tam Fluid Mechanics

Gijs Ooms Fluid Mechanics

Research Group

Fluid Mechanics

Numerical simulation Inertial locomotion Micro-swimmer

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Published Date

2020

Language

English

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Research Group

Fluid Mechanics

Abstract

A numerical simulation has been made of the combined stroke swimmer (a deformable sphere) and compared with the results of the second-order perturbation theory of Felderhof and Jones (2017). At a small ratio of the amplitude of the deformation of the sphere and the radius of the sphere the numerical and theoretical results agree well. However for a larger value of this ratio the results deviate due to inertia. The streamlines, as calculated numerically, change significantly with increasing inertia.

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