J0205-1-2 OpenFOAMを用いた羽ばたき翼まわりの流れ場解析手法の検討([J0205-1]バイオメカニズム/バイオミメティクス/バイオインスパイアー(1))

概要

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To investigate mechanism of three-dimensional flapping propulsion for a fishlike underwater vehicle, calculation method of flow field around three-dimensional wing with flapping and pitching motion is developed. We use OpenFOAM CFD software and develop a routine to represent three-dimensional, flapping and pitching motion of a wing with arbitrary amplitude and phase difference. Calculation under laminar flow condition is conducted; Reynolds number is 1000 and NACA0018 rectangular wing is used. Both flapping and pitching amplitude is 0.25 rad/s, phase difference π/2 rad, and C-shape grid is used. The result suggests that our method can investigate the flow field around three-dimensional flapping wing.
2010-09-04