Object-Oriented Unsteady Vortex Lattice Method for Flapping Flight | Zendy

Lyle N. Long | Zendy; Tracy E. Fritz | Zendy

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Object-Oriented Unsteady Vortex Lattice Method for Flapping Flight

Author(s) -

Lyle N. Long,

Tracy E. Fritz

Publication year - 2004

Publication title -

journal of aircraft

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 94

eISSN - 1533-3868

pISSN - 0021-8669

DOI - 10.2514/1.7357

Subject(s) - flapping , vortex , wake , physics , aerospace engineering , aerodynamics , horseshoe vortex , wing , mechanics , wake turbulence , dissipation , classical mechanics , vortex ring , engineering , thermodynamics

The unsteady vortex lattice method is used to model the oscillating plunging, pitching, twisting, and flapping motions of a finite-aspect-ratio wing. Its potential applications include design and analysis of small unmanned air vehicles and in the study of the high-frequency flapping flight of birds and other small flyers. The results are verified by theory and, in the plunging and pitching cases, by experimental data. The model includes free-wake relaxation, vortex stretching, and vortex dissipation effects and is implemented using object-oriented computing techniques

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