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Modelling bacterial behaviour close to a no-slip plane boundary: the influence of bacterial geometry

Abstract:

We describe a boundary-element method used to model the hydrodynamics of a bacterium propelled by a single helical flagellum. Using this model, we optimize the power efficiency of swimming with respect to cell body and flagellum geometrical parameters, and find that optima for swimming in unbounded fluid and near a no-slip plane boundary are nearly indistinguishable. We also consider the novel optimization objective of torque efficiency and find a very different optimal shape. Excluding effec...

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Publication status:
Published

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Publisher copy:
10.1098/rspa.2009.0520

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Institution:
University of Oxford
Department:
Oxford, MPLS, Mathematical Inst
Role:
Author
Journal:
PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
Volume:
466
Issue:
2118
Pages:
1725-1748
Publication date:
2010-06-08
DOI:
EISSN:
1471-2946
ISSN:
1364-5021
URN:
uuid:a6fc30f5-6585-4538-82ce-8b9158871476
Source identifiers:
54685
Local pid:
pubs:54685

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