Micro Air Vehicles (MAVs) are very small and fly at low speeds. Therefore, their wings are flat plates or membranes. For MAVs, a flapping wing is proposed to generate lift and thrust simultaneously. In this study, the Immersed Boundary method is used to analyze the airflow around a flapping flat-plate wing numerically. The grid is not body-fitted but Cartesian and the body is expressed by the external force. The flow around a stationary plate is computed and the pressure contours, velocity vectors and streamlines show the plate exists in the grid.
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