Highly Accurate Solution of Limit Cycle Oscillation of an Airfoil in Subsonic Flow

Figure 5

The time history responses of system (1) with 𝑈^∗=1.5𝑈^∗𝐿. Dots denote the 50th-order HAM solutions with 𝜆=−1 and real lines the numerical results.

(a)

(b)