Design method of flapping wing

The invention discloses a flapping wing design method, and belongs to the technical field of flapping wing aircrafts. The flapping wing is a bionic flapping wing, the bionic flapping wing comprises an arm wing and a hand wing, the arm wing is a part corresponding to the humerus of the bird wing, the hand wing is a part corresponding to the ulna and the radius of the bird wing, and the method comprises the following steps: a, determining an initial design parameter combination of the flapping wing; b, determining the optimal plane shape of the flapping wing, and enabling the optimal plane shape of the flapping wing to be the initial plane shape of the flapping wing; c, determining the optimal deformation required by the maximum thrust coefficient; d, determining a deformation torsion angle of the initial flapping wing; e, determining the optimal rigidity distribution of the flapping wing; f, determining the final flapping frequency, the cruising speed and the attack angle of the flapping wing; g, judging wheth