[HTML][HTML] Interactions in active colloids

B Liebchen, AK Mukhopadhyay - Journal of Physics: Condensed …, 2021 - iopscience.iop.org
The past two decades have seen a remarkable progress in the development of synthetic
colloidal agents which are capable of creating directed motion in an unbiased environment …

[HTML][HTML] The 2020 motile active matter roadmap

G Gompper, RG Winkler, T Speck… - Journal of Physics …, 2020 - iopscience.iop.org
Activity and autonomous motion are fundamental in living and engineering systems. This
has stimulated the new field of'active matter'in recent years, which focuses on the physical …

[HTML][HTML] Emergence of active turbulence in microswimmer suspensions due to active hydrodynamic stress and volume exclusion

K Qi, E Westphal, G Gompper, RG Winkler - Communications Physics, 2022 - nature.com
Microswimmers exhibit an intriguing, highly-dynamic collective motion with large-scale
swirling and streaming patterns, denoted as active turbulence–reminiscent of classical high …

[HTML][HTML] Emergent collective dynamics of pusher and puller squirmer rods: swarming, clustering, and turbulence

AW Zantop, H Stark - Soft Matter, 2022 - pubs.rsc.org
We study the interplay of steric and hydrodynamic interactions in suspensions of elongated
microswimmers by simulating the full hydrodynamics of squirmer rods in the quasi two …

Mesoscopic simulations of active nematics

T Kozhukhov, TN Shendruk - Science Advances, 2022 - science.org
Coarse-grained, mesoscale simulations are invaluable for studying soft condensed matter
because of their ability to model systems in which a background solvent plays a substantial …

[HTML][HTML] Squirmer rods as elongated microswimmers: flow fields and confinement

AW Zantop, H Stark - Soft Matter, 2020 - pubs.rsc.org
Microswimmers or active elements, such as bacteria and active filaments, have an
elongated shape, which determines their individual and collective dynamics. There is still a …

Hydrochemical interactions of phoretic particles: a regularized multipole framework

F Rojas-Pérez, B Delmotte, S Michelin - Journal of Fluid Mechanics, 2021 - cambridge.org
Chemically active colloids modify the concentration of chemical solutes surrounding them in
order to self-propel. In doing so, they generate long-ranged hydrodynamic flows and …

Rheotaxis of spheroidal squirmers in microchannel flow: Interplay of shape, hydrodynamics, active stress, and thermal fluctuations

K Qi, H Annepu, G Gompper, RG Winkler - Physical Review Research, 2020 - APS
Microswimmers exposed to microchannel flows exhibit an intriguing coupling between
propulsion, shape, hydrodynamics, and flow which gives rise to distinct swimming …

Simulation of microswimmer hydrodynamics with multiparticle collision dynamics

A Zöttl - Chinese Physics B, 2020 - iopscience.iop.org
In this review we discuss the recent progress in the simulation of soft active matter systems
and in particular the hydrodynamics of microswimmers using the method of multiparticle …

Hydrodynamic interactions in squirmer dumbbells: active stress-induced alignment and locomotion

J Clopés, G Gompper, RG Winkler - Soft Matter, 2020 - pubs.rsc.org
Hydrodynamic interactions are fundamental for the dynamics of swimming self-propelled
particles. Specifically, bonds between microswimmers enforce permanent spatial proximity …