Proper Orthogonal Decomposition of Flexible Clap and Fling Elastic Motions via High-Speed Deformation Measurements Public Deposited

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  • Many complex unsteady mechanisms are thought to facilitate the high efficiency and agility commonly observed in small biological flyers. One of these, the flexible clap and fling maneuver, has not been extensively studied; an experimental characterization is the focus of this work. The clap-fling mechanism is approximated with a single flexible membrane flapping wing, replacing the symmetry plane between two wings with a splitter plate simulating the pair wing. This produces a complex vibro-impact aeroelastic problem, the deformation resulting from which is measured with a high-speed visual image correlation system. A low-dimensional representation of the ensuing large data set is obtained with proper orthogonal decomposition. The POD modes, and the relative importance of each, can help elucidate crucial mechanisms and relationships within the flapping system, and are computed for various membrane wing structures and flapping frequencies, with or without the presence of the splitter plate.
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  • Stanford, B., Albertani, R., Lacore, D., & Parker, G. (2013). Proper orthogonal decomposition of flexible clap and fling elastic motions via high-speed deformation measurements. Experimental Mechanics, 53(7), 1127-1141. doi:10.1007/s11340-013-9743-4
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  • description.provenance : Approved for entry into archive by Deborah Campbell(deborah.campbell@oregonstate.edu) on 2013-09-19T14:35:11Z (GMT) No. of bitstreams: 1 AlbertaniRMechanicalIndustrialManufacturingEngineeringProperOrthogonalDecomposition.pdf: 1148521 bytes, checksum: 2f5c23d17477836dcc5d55a76b3cba1c (MD5)
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