Active turbulence
Active fluids exhibit spontaneous flows with complex spatiotemporal structure, which have
been observed in bacterial suspensions, sperm cells, cytoskeletal suspensions, self …
been observed in bacterial suspensions, sperm cells, cytoskeletal suspensions, self …
Swarm autonomy: From agent functionalization to machine intelligence
Swarm behaviors are common in nature, where individual organisms collaborate via
perception, communication, and adaptation. Emulating these dynamics, large groups of …
perception, communication, and adaptation. Emulating these dynamics, large groups of …
Dynamics of active liquid interfaces
Controlling interfaces of phase-separating fluid mixtures is key to the creation of diverse
functional soft materials. Traditionally, this is accomplished with surface-modifying chemical …
functional soft materials. Traditionally, this is accomplished with surface-modifying chemical …
Submersed micropatterned structures control active nematic flow, topology, and concentration
Coupling between flows and material properties imbues rheological matter with its wide-
ranging applicability, hence the excitement for harnessing the rheology of active fluids for …
ranging applicability, hence the excitement for harnessing the rheology of active fluids for …
Probing active nematics with in situ microfabricated elastic inclusions
I Vélez-Cerón, P Guillamat, F Sagués… - Proceedings of the …, 2024 - National Acad Sciences
In this work, we report a direct measurement of the forces exerted by a tubulin/kinesin active
nematic gel as well as its complete rheological characterization, including the quantification …
nematic gel as well as its complete rheological characterization, including the quantification …
Rectified rotational dynamics of mobile inclusions in two-dimensional active nematics
We investigate the dynamics of mobile inclusions embedded in 2D active nematics. The
interplay between the inclusion shape, boundary-induced nematic order, and autonomous …
interplay between the inclusion shape, boundary-induced nematic order, and autonomous …
Tangentially driven active polar linear polymers—An analytical study
The conformational and dynamical properties of isolated flexible active polar linear polymers
(APLPs) are studied analytically. The APLPs are modeled as Gaussian bead-spring linear …
(APLPs) are studied analytically. The APLPs are modeled as Gaussian bead-spring linear …
Spontaneous self-constraint in active nematic flows
Active processes drive biological dynamics across various scales and include subcellular
cytoskeletal remodelling, tissue development in embryogenesis and the population-level …
cytoskeletal remodelling, tissue development in embryogenesis and the population-level …
Magnetically controlled bacterial turbulence
K Beppu, JVI Timonen - Communications Physics, 2024 - nature.com
Concentrated active agents can exhibit turbulent-like flows reminiscent of hydrodynamic
turbulence. Despite its importance, the influence of external fields on active turbulence …
turbulence. Despite its importance, the influence of external fields on active turbulence …
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 …
microswimmers by simulating the full hydrodynamics of squirmer rods in the quasi two …