1153 渦の非定常運動による流体力と仮想運動量-その2(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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It is well known that high dynamic lifts are induced when an object is in unsteady motion. We derived a formula on unsteady forces accompanied with the movement of vortices, when the force is acted on an ellipsoid given rise to the movement of vortices. The formula consists of two components, i.e., 'vortex component' and 'form component'. The former describes the unsteady force resulting from unsteady motion of vortices alone. This relates with the time variation of a certain kind of momentum called the virtual momentum. On the other hand 'form component' depends not only on the motion but on the form of the object.
2005-09-18