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Efficient Flapping Flight Using Flexible Wings Oscillating at Resonance

  • Hassan Masoud
  • Alexander Alexeev
Conference paper
Part of the The IMA Volumes in Mathematics and its Applications book series (IMA, volume 155)

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.

Key words

Low Reynolds number flapping flight flexible wing resonance lattice Boltzmann model MAV 

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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  1. 1.George W. Woodruff School of Mechanical Engineering, Georgia Institute of TechnologyAtlantaUSA

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