publication . Preprint . 2019

Simulating squirmers with volumetric solvers

Sánchez, Stevens Paz; Buscaglia, Gustavo C.;
Open Access English
  • Published: 18 Mar 2019
Abstract
Squirmers are models of a class of microswimmers, such as ciliated organisms and phoretic particles, that self-propel in fluids without significant deformation of their body shape. Available techniques for their simulation are based on the boundary-element method and do not contemplate nonlinearities such as those arising from the fluid's inertia or non-Newtonian rheology. This article describes a methodology to simulate squirmers that overcomes these limitations by using volumetric numerical methods, such as finite elements or finite volumes. It deals with interface conditions at the squirmer's surface that generalize those in the published literature. The actu...
Subjects
arXiv: Physics::Biological Physics
free text keywords: Mathematics - Numerical Analysis, Physics - Fluid Dynamics
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