ArticleThe European physical journal. E, Soft matter2018
Hydrodynamic interaction of a self-propelling particle with a wall : Comparison between an active Janus particle and a squirmer model.
Article in The European physical journal. E, Soft matter, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Programmable hydrodynamics of active particles.Nature communications · 2026Article
- Article
- Hydrodynamic interactions between squirmers near walls: far-field dynamics and near-field cluster stability.Royal Society open science · 2023Article
- Self-propulsion in 2D confinement: phoretic and hydrodynamic interactions.The European physical journal. E, Soft matter · 2021Article
- Active colloids under geometrical constraints in viscoelastic media.The European physical journal. E, Soft matter · 2021Article
- On the shape-dependent propulsion of nano- and microparticles by traveling ultrasound waves.Nanoscale advances · 2020Article
- Towards an analytical description of active microswimmers in clean and in surfactant-covered drops.The European physical journal. E, Soft matter · 2020Article
- Topical Issue on Fluids and Structures: Multi-scale coupling and modeling.The European physical journal. E, Soft matter · 2019Article
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Authors and funding
3 authors.
Funding
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Abstract
Using lattice Boltzmann simulations we study the hydrodynamics of an active spherical particle near a no-slip wall. We develop a computational model for an active Janus particle, by considering different and independent mobilities on the two hemispheres and compare the behaviour to a standard squirmer model. We show that the topology of the far-field hydrodynamic nature of the active Janus particle is similar to the standard squirmer model, but in the near-field the hydrodynamics differ. In order to study how the near-field effects affect the interaction between the particle and a flat wall, we compare the behaviour of a Janus swimmer and a squirmer near a no-slip surface via extensive numerical simulations. Our results show generally a good agreement between these two models, but they reveal some key differences especially with low magnitudes of the squirming parameter [Formula: see text]. Notably the affinity of the particles to be trapped at a surface is increased for the active Janus particles when compared to standard squirmers. Finally, we find that when the particle is trapped on the surface, the velocity parallel to the surface exceeds the bulk swimming speed and scales linearly with [Formula: see text].
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