Results 151 to 160 of about 698 (179)
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Physical Review E, 2009
The self-propelling motion of the flexible ferromagnetic swimmer is described. Necessary symmetry breaking is achieved by the buckling instability at field inversion. The characteristics of self-propulsion are in good agreement with the numerical calculations of the Floquet multipliers for the ferromagnetic filament under the action of ac magnetic ...
Belovs, M., Cēbers, A.
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The self-propelling motion of the flexible ferromagnetic swimmer is described. Necessary symmetry breaking is achieved by the buckling instability at field inversion. The characteristics of self-propulsion are in good agreement with the numerical calculations of the Floquet multipliers for the ferromagnetic filament under the action of ac magnetic ...
Belovs, M., Cēbers, A.
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Diffusion of eccentric microswimmers
Soft Matter, 2016We model the two-dimensional diffusive dynamics of an eccentric artificial microswimmer in a highly viscous medium.
Debajyoti, Debnath +4 more
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Biohybrid and Bioinspired Magnetic Microswimmers
Small, 2018AbstractMany motile microorganisms swim and navigate in chemically and mechanically complex environments. These organisms can be functionalized and directly used for applications (biohybrid approach), but also inspire designs for fully synthetic microbots.
Bente, Klaas +3 more
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Programmable Artificial Phototactic Microswimmer
Nature Nanotechnology, 2016Phototaxis is commonly observed in motile photosynthetic microorganisms. For example, green algae are capable of swimming towards a light source (positive phototaxis) to receive more energy for photosynthesis, or away from a light source (negative phototaxis) to avoid radiation damage or to hide from predators.
Xiaojun Zhan, Jinyao Tang, Jizhuang Wang
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Physics Today, 2012
From gut-inhabiting bacteria to sea-dwelling algae, microorganisms display a penchant for coordinated movement. Nonlinear dynamics and fluid mechanics can help explain the curious behavior.
Eric Lauga, Raymond E. Goldstein
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From gut-inhabiting bacteria to sea-dwelling algae, microorganisms display a penchant for coordinated movement. Nonlinear dynamics and fluid mechanics can help explain the curious behavior.
Eric Lauga, Raymond E. Goldstein
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Three-bead steering microswimmers
Physical Review E, 2018The self-propelled microswimmers have recently attracted considerable attention as model systems for biological cell migration as well as artificial micromachines. A simple and well-studied microswimmer model consists of three identical spherical beads joined by two springs in a linear fashion with active oscillatory forces being applied on the beads ...
Rizvi, Mohd Suhail +2 more
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Mathematical Modelling of Flagellated Microswimmers
Computational Mathematics and Mathematical Physics, 2018zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zaitsev, M. A., Karabasov, S. A.
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Optimal strokes for axisymmetric microswimmers
The European Physical Journal E, 2009We present a theory for low-Reynolds-number axisymmetric swimmers and a general strategy for the computation of strokes of maximal efficiency. An explicit equation characterizing optimal strokes is derived, and numerical strategies to obtain solutions are discussed.
Alouges, F. +2 more
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Manipulating chiral microswimmers in a channel
Physical Review E, 2014We numerically simulate the diffusion of overdampd pointlike Janus particles along narrow two-dimensional periodically corrugated channels with reflecting walls. The self-propulsion velocity of the particle is assumed to rotate subject to an intrinsic bias modeled by a torque.
Y. Li +3 more
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Actin-based propulsion of a microswimmer
Physical Review E, 2006A simple hydrodynamic model of actin-based propulsion of microparticles in dilute cell-free cytoplasmic extracts is presented. Under the basic assumption that actin polymerization at the particle surface acts as a force dipole, pushing apart the load and the free (nonanchored) actin tail, the propulsive velocity of the microparticle is determined as a ...
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