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2012 | OriginalPaper | Buchkapitel

Efficient Flapping Flight Using Flexible Wings Oscillating at Resonance

verfasst von : Hassan Masoud, Alexander Alexeev

Erschienen in: Natural Locomotion in Fluids and on Surfaces

Verlag: Springer New York

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Abstract

We use fully-coupled three-dimensional computer simulations to examine aerodynamics of elastic wings oscillating at resonance. Wings are modeled as planar elastic plates plunging sinusoidally at a low Reynolds number. The wings are tilted from horizontal, thereby generating asymmetric flow patterns and non-zero net aerodynamic forces. Our simulations reveal that resonance oscillations of elastic wings drastically enhance aerodynamic lift, thrust, and efficiency. We show that flexible wings driven at resonance by a simple harmonic stroke generate lift comparable to that of small insects that employ a significantly more complicated stroke kinematics. The results of our simulations point to the feasibility of using flexible resonant wings with a simple stroke for designing efficient microscale flying vehicles.

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Vorheriges Kapitel A User-Friendly Formulation of the Newtonian Dynamics for the Coupled Wing-Body System in Insect Flight

Nächstes Kapitel Stability of Passive Locomotion in Periodically-Generated Vortex Wakes

Unless stated otherwise, all dimensional values are given in lattice Boltzmann units.

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Titel: Efficient Flapping Flight Using Flexible Wings Oscillating at Resonance
verfasst von: Hassan Masoud
Alexander Alexeev
Verlag: Springer New York
Buch: Natural Locomotion in Fluids and on Surfaces
Print ISBN: 978-1-4614-3996-7

Electronic ISBN: 978-1-4614-3997-4

Copyright-Jahr: 2012
DOI: https://doi.org/10.1007/978-1-4614-3997-4_19

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