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  Magnetically-actuated artificial cilium: A simple theoretical model

Meng, F., Matsunaga, D., Yeomansa, J. M., & Golestanian, R. (2019). Magnetically-actuated artificial cilium: A simple theoretical model. Soft Matter, 15, 3864-3871. doi:10.1039/c8sm02561d.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-439A-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-A024-F
Genre: Journal Article

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 Creators:
Meng, Fanlong1, Author              
Matsunaga, D., Author
Yeomansa, J. M., Author
Golestanian, Ramin1, Author              
Affiliations:
1Department of Living Matter Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2570692              

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 Abstract: We propose a theoretical model for a magnetically-actuated artificial cilium in a fluid environment and investigate its dynamical behaviour, using both analytical calculations and numerical simulations. The cilium consists of a spherical soft magnet, a spherical hard magnet, and an elastic spring that connects the two magnetic components. Under a rotating magnetic field, the cilium exhibits a transition from phase-locking at low frequencies to phase-slipping at higher frequencies. We study the dynamics of the magnetic cilium in the vicinity of a wall by incorporating its hydrodynamic influence, and examine the efficiency of the actuated cilium in pumping viscous fluids. This cilium model can be helpful in a variety of applications such as transport and mixing of viscous solutions at small scales and fabricating microswimmers.

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Language(s): eng - English
 Dates: 2019-03-192019
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1039/c8sm02561d
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Title: Soft Matter
Source Genre: Journal
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Pages: - Volume / Issue: 15 Sequence Number: - Start / End Page: 3864 - 3871 Identifier: -