Research Article

Kinematic Optimization of a Flexible Wing Undergoing Flapping and Pitching

Table 1

Wing morphological parameters of the numerical albatross-wing model.

ParameterThe albatross-wing model

Half span length [21], l (m)1.08
Wing area [21], S (m2)0.178
Mean chord length, c=S/l (m)0.1648
Aspect ratio for one wing [21], AR6.55
Weight of the flyer [22], W (N)30.184
Density of the wing [23], ρs (kg/m3)1200
Density of air [24], ρf (kg/m3)1.23
Young’s modulus [25], E (GPa)5.2
Flapping frequency [22], f (Hz)2.97
Velocity [26], U (m/s)16.7
Reduced frequency, k=πfc/U0.092
Reynolds number, Re1.9 × 105