A New Simultaneous Identification of the Harmonic Excitations and Nonlinear Damping of Forced Damped Nonlinear Oscillations: A Parametric Approach

Figure 4

Illustration of zero-crossing times from the transient region.

(a) (𝑡^ze_𝐽)₁ and (𝑡^ze_acc)₁

(b) (𝑡^ze_𝐽)₂ and (𝑡^ze_acc)₂