Published July 10, 2005
| public
Journal Article
Open
Uncovering the physics of flapping flat plates with artificial evolution
- Creators
- Milano, Michele
-
Gharib, Morteza
Chicago
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Abstract
We consider an experiment in which a rectangular flat plate is flapped with two degrees of freedom, and a genetic algorithm tunes its trajectory parameters so as to achieve maximum average lift force, thus evolving a population of trajectories all yielding optimal lift forces. We cluster the converged population by defining a dynamical formation number for a flapping flat plate, thus showing that optimal unsteady force generation is linked to the formation of a leading-edge vortex with maximum circulation. Force and digital particle image velocimetry measurements confirm this result.
Additional Information
Reprinted with permission of Cambridge University Press. (Received March 29 2005); (Revised April 13 2005); Published online by Cambridge University Press 21 June 2005Files
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Additional details
- Eprint ID
- 3391
- Resolver ID
- CaltechAUTHORS:MILjfm05
- Created
-
2006-06-05Created from EPrint's datestamp field
- Updated
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2023-03-14Created from EPrint's last_modified field
- Caltech groups
- GALCIT