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UID:6714@i2m.univ-amu.fr
DTSTART;TZID=Europe/Paris:20200701T100000
DTEND;TZID=Europe/Paris:20200701T110000
DTSTAMP:20241120T201945Z
URL:https://www.i2m.univ-amu.fr/evenements/numerical-simulations-of-a-butt
 erfly-like-flapping-wing-body-model-effects-of-wing-planform-mass-and-flex
 ibility/
SUMMARY: (Shinshu University): Numerical simulations of a butterfly-like fl
 apping wing-body model: effects of wing planform\, mass\, and flexibility
DESCRIPTION:: Butterflies have unique and interesting features compared wit
 h other insects. The most conspicuous example is their erratic trajectory 
 and large variation in flight speed. This behavior suggests that butterfli
 es have outstanding agility and maneuverability\, which are attractive fea
 tures in practical applications such as micro air vehicles (MAVs). It has 
 been know that butterfly’s flight is far from hovering or steady forward
  flights and is longitudinally unstable. Therefore\, in order to elaborate
 ly simulate the free-flying butterfly\, we have to consider the interactio
 n between the fluid motion\, wing motion\, body motion (translational and 
 rotational)\, and attitude control. Instead of performing such an elaborat
 e simulation\, our research group has attempted to clarify the minimum con
 figuration for reproducing the free-flying butterfly by using a simplified
  butterfly model\, namely butterfly-like flapping wing-body model. This mo
 del is composed of two thin rigid wings and a rod-shaped body\, and flaps 
 its wings downward to generate lift force and backward to generate thrust 
 force like an actual butterfly. It has been found that such a simple model
  can generate enough lift force to support an actual butterfly’s weight 
 even in its free flight from the resting state. In addition\, we have inve
 stigated the impact of the individual factors\, such as wing planform\, ma
 ss and flexibility. In my presentation\, I will show the recent results us
 ing the butterfly-like flapping wing-body model.\n\nProf. Dr. Kosuke Suzuk
 i\, Department of Mechanical Systems Engineering\, Shinshu University
CATEGORIES:Interdisciplinary online seminar series on Biolocomotion
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