Abstract
In this paper, we propose a new CFD numerical simulation method, which combines the ALE program independently developed by our research group and commercial software CFX. The feasibility and accuracy of this CFD method are verified by simulating hovering flight of 3D rigid wing. By analyzing the flow field, it is believed that LEV attached to the upper surface of the wing is the main reason for generating large lift during downstroke, and delayed stall mechanism play a important role.
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