Simulation and Parameter Variation of Flapping-Wing Motion Based on Dragonfly Hovering
Identifieur interne : 008A44 ( Main/Exploration ); précédent : 008A43; suivant : 008A45Simulation and Parameter Variation of Flapping-Wing Motion Based on Dragonfly Hovering
Auteurs : John Young [Australie] ; Joseph C. S. Lai [Australie] ; Charly Germain [France]Source :
- AIAA journal [ 0001-1452 ] ; 2008.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Robotique, Aérodynamique.
English descriptors
- KwdEn :
Abstract
The flapping motion of a wing based on the hind wing of the Aeschna juncea dragonfly is simulated using a three-dimensional incompressible Navier-Stokes solver. The performance of the wing is investigated by variation of a number of kinematic parameters. Flapping amplitudes of between 10 and 60 deg (half-angle) and frequencies of 1 to 300 Hz are considered, resulting in a Reynolds number range of 100 to 50,000. The flapping amplitude observed for Aeschna juncea is shown to maximize the ratio of mean vertical force produced to power required.
Affiliations:
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Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aerodynamics</term>
<term>Biomimetics</term>
<term>Hovering</term>
<term>Incompressible fluid</term>
<term>Libellulidae</term>
<term>Mesh generation</term>
<term>Modeling</term>
<term>Moving robot</term>
<term>Navier Stokes equation</term>
<term>Numerical simulation</term>
<term>Robotics</term>
<term>Unmanned aerial vehicle</term>
<term>Unsteady flow</term>
<term>Wing beat</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Ecoulement instationnaire</term>
<term>Fluide incompressible</term>
<term>Robotique</term>
<term>Robot mobile</term>
<term>Génération maille</term>
<term>Modélisation</term>
<term>Simulation numérique</term>
<term>Véhicule aérien inhabité</term>
<term>Battement alaire</term>
<term>Vol stationnaire</term>
<term>Biomimétique</term>
<term>Libellulidae</term>
<term>Equation Navier Stokes</term>
<term>Aérodynamique</term>
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<front><div type="abstract" xml:lang="en">The flapping motion of a wing based on the hind wing of the Aeschna juncea dragonfly is simulated using a three-dimensional incompressible Navier-Stokes solver. The performance of the wing is investigated by variation of a number of kinematic parameters. Flapping amplitudes of between 10 and 60 deg (half-angle) and frequencies of 1 to 300 Hz are considered, resulting in a Reynolds number range of 100 to 50,000. The flapping amplitude observed for Aeschna juncea is shown to maximize the ratio of mean vertical force produced to power required.</div>
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