A Modified Incremental Harmonic Balance Method for 2-DOF Airfoil Aeroelastic Systems with Nonsmooth Structural Nonlinearities

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solid line denotes the Runge–Kutta method and asterisks denote modified IHB method). (a) Comparison of plunge amplitude. (b) Comparison of pitch amplitude.</div>

Mathematical Problems in Engineering

fig12

Figure 12

Figure 12: A Modified Incremental Harmonic Balance Method for 2-DOF Airfoil Aeroelastic Systems with Nonsmooth Structural Nonlinearities 