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

Figure 2

Comparisons of the 50th-order HAM solutions for LCO amplitudes with HB1 results and numerical ones. Dots denote the HAM solutions obtained with 𝜆=−1, dashed lines represent HB1 results, and real lines denote numerical solutions.

(a)

(b)