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pro vyhledávání: '"Chamolly, Alexander"'
Bubble-propelled catalytic colloids stand out as a uniquely efficient design for artificial controllable micromachines, but so far lack a general theoretical framework that explains the physics of their propulsion. Here we develop a combined diffusiv
Externí odkaz:
http://arxiv.org/abs/2405.12552
Biased locomotion is a common feature of microorganisms, but little is known about its impact on self-organisation. Inspired by recent experiments showing a transition to large-scale flows, we study theoretically the dynamics of magnetotactic bacteri
Externí odkaz:
http://arxiv.org/abs/2312.03158
Autor:
Chamolly, Alexander, Ribe, Neil M.
To understand how spherical geometry influences the dynamics of gravity-driven subduction of oceanic lithosphere on Earth, we study a simple model of a thin and dense axisymmetric shell of thickness $h$ and viscosity $\eta_1$ sinking in a spherical b
Externí odkaz:
http://arxiv.org/abs/2107.05141
Autor:
Chamolly, Alexander, Lauga, Eric
Most motile bacteria swim in viscous fluids by rotating multiple helical flagellar filaments. These semi-rigid filaments repeatedly join ('bundle') and separate ('unbundle'), resulting in a two-gait random walk-like motion of the cell. In this proces
Externí odkaz:
http://arxiv.org/abs/2011.08716
Autor:
Chamolly, Alexander, Lauga, Eric
Solutions to the Stokes equations written in terms of a small number of hydrodynamic image singularities have been a useful tool in theoretical and numerical computations for nearly fifty years. In this article, we extend the catalogue of known solut
Externí odkaz:
http://arxiv.org/abs/2007.02897
Autor:
Chamolly, Alexander, Lauga, Eric
Publikováno v:
Eur. Phys. J. E (2019) 42: 88
The design of artificial microswimmers has generated significant research interest in recent years, for promise in applications such as nanomotors and targeted drug-delivery. However, many current designs suffer from a common problem, namely the swim
Externí odkaz:
http://arxiv.org/abs/2002.12276
A colloidal particle driven by externally actuated rotation can self-propel parallel to a rigid boundary by exploiting the hydrodynamic coupling that surfaces induce between translation and rotation. As such a roller moves along the boundary it gener
Externí odkaz:
http://arxiv.org/abs/2002.07856
Akademický článek
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Akademický článek
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Publikováno v:
New J. Phys. (2017) 19, 11500
Both natural and artificial small-scale swimmers may often self-propel in environments subject to complex geometrical constraints. While most past theoretical work on low-Reynolds number locomotion addressed idealised geometrical situations, not much
Externí odkaz:
http://arxiv.org/abs/1711.05689