Fig. 15

Aeroelastic response dynamics for different preset angle and their corresponding frequency responses, synchronization analysis, at \(U_{fold}\) and \(\overline{\omega }\) = 0.67. (a) \(\alpha _{pre}(^\circ )\) = \(0^\circ\), (b) \(\alpha _{pre}(^\circ )\) = \(5^\circ\), (c) \(\alpha _{pre}(^\circ )\) = \(10^\circ\) (d) \(\alpha _{pre}(^\circ )\) = \(15^\circ\), (e) \(\alpha _{pre}(^\circ )\) = \(20^\circ\).