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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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Publisher:
Royal Society Publishing
Publication date:
2010-01-01
UUID:
uuid:ad1bb94b-12b1-4fb8-901e-6108b2ab99c9
Local pid:
oai:eprints.maths.ox.ac.uk:1366
Deposit date:
2011-08-15

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