1154 変形物体による推進力の数値的研究(J04-2 生物の運動機能/バイオミメティクスとバイオメカニクス/バイオロボティクスとバイオメカトロニクス(2),J04 生物の運動機能/バイオミメティクスとバイオメカニクス/バイオロボティクスとバイオメカトロニクス)

概要

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Fish swimming can be very interested in high efficiency mechanisms of unsteady motion. It is hard to capture the details containing such complex properties because the direct experiment is so difficult. In order to investigate the mechanism of the fish swimming, an arbitrary Lagrangian-Eulerian method based on finite difference method is applied to solve the flow field around swimming fish. The flow around periodic bending flat plate and airfoil are computed. As the results of this investigation, efficiency of deformation plate and airfoil were estimate. It was clear seen that longitudinal vortex was generate at both side of undulated plate. And the efficiency increased with increasing wave number.
一般社団法人日本機械学会の論文
2005-09-18