Numerical study of the combined stroke swimmer in an incompressible fluid

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Numerical study of the combined stroke swimmer in an incompressible fluid

Journal Article (2020)

Author(s)

Aditya Kumar (Student TU Delft)

Mathieu Pourquie (TU Delft - Fluid Mechanics)

Daniel See Wai Tam (TU Delft - Fluid Mechanics)

Gijsbert Ooms (TU Delft - Fluid Mechanics)

Numerical simulation Inertial locomotion Micro-swimmer

DOI related publication

https://doi.org/10.1088/1873-7005/ab793b Final published version

To reference this document use

https://resolver.tudelft.nl/uuid:9774509e-7ecb-41bd-8037-0a085b23441c

More Info

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Publication Year

2020

Language

English

Journal title

Fluid Dynamics Research

Issue number

2

Volume number

52

Article number

025505

Downloads counter

185

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.