Primary resonance of fractional-order Duffing–van der Pol oscillator by harmonic balance method Project supported by the National Natural Science Foundation of China (Grant Nos. 11872254 and 11672191). |
(color online) Resonant amplitude with c2 for m = 10, k = 40, c1 = 0.2, α1 = 0.5, F1 = 2, p = 0.5, α = 2.1. |