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Two-link swimming using buoyant orientation

Author(s)
Burton, Lisa Janelle; Hatton, R. L.; Choset, H.; Hosoi, Anette E.
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.

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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
The scallop theorem posits that a two-link system immersed in a fluid at low Reynolds number cannot achieve any net translation via cyclic changes in its hinge angle. Here, we propose an approach to “breaking” this theorem, based on a static separation between the centers of mass and buoyancy in a net neutrally buoyant system. This separation gives the system a natural equilibrium orientation, allowing it to passively reorient without changing shape.
Date issued
2010-09
URI
http://hdl.handle.net/1721.1/78570
Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
Journal
Physics of Fluids
Publisher
American Institute of Physics (AIP)
Citation
Burton, L. J. et al. “Two-link Swimming Using Buoyant Orientation.” Physics of Fluids 22.9 (2010): 091703. ©2010 American Institute of Physics
Version: Final published version
ISSN
1070-6631
1089-7666

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