Numerical study of the combined stroke swimmer in an incompressible fluid

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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.

Original languageEnglish
Article number025505
Number of pages19
JournalFluid Dynamics Research
Volume52
Issue number2
DOIs
Publication statusPublished - 2020

Keywords

  • inertial locomotion
  • Micro-swimmer
  • numerical simulation

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