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      Recent progress in flapping wing aerodynamics and aeroelasticity

      , , , , , ,
      Progress in Aerospace Sciences
      Elsevier BV

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          Wing rotation and the aerodynamic basis of insect flight.

          The enhanced aerodynamic performance of insects results from an interaction of three distinct yet interactive mechanisms: delayed stall, rotational circulation, and wake capture. Delayed stall functions during the translational portions of the stroke, when the wings sweep through the air with a large angle of attack. In contrast, rotational circulation and wake capture generate aerodynamic forces during stroke reversals, when the wings rapidly rotate and change direction. In addition to contributing to the lift required to keep an insect aloft, these two rotational mechanisms provide a potent means by which the animal can modulate the direction and magnitude of flight forces during steering maneuvers. A comprehensive theory incorporating both translational and rotational mechanisms may explain the diverse patterns of wing motion displayed by different species of insects.
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            IMMERSED BOUNDARY METHODS

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              Software techniques for two- and three-dimensional kinematic measurements of biological and biomimetic systems.

              Researchers studying aspects of locomotion or movement in biological and biomimetic systems commonly use video or stereo video recordings to quantify the behaviour of the system in question, often with an emphasis on measures of position, velocity and acceleration. However, despite the apparent simplicity of video analysis, it can require substantial investment of time and effort, even when performed with adequate software tools. This paper reviews the underlying principles of video and stereo video analysis as well as its automation and is accompanied by fully functional and freely available software implementation.
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                Author and article information

                Journal
                Progress in Aerospace Sciences
                Progress in Aerospace Sciences
                Elsevier BV
                03760421
                October 2010
                October 2010
                : 46
                : 7
                : 284-327
                Article
                10.1016/j.paerosci.2010.01.001
                cd4d084a-f887-4bde-9693-2d6ac629947e
                © 2010

                http://www.elsevier.com/tdm/userlicense/1.0/


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