Equivalent Representation Form of Oscillators with Elastic and Damping Nonlinear Terms

Table 1

Computed values of the forced power-form elastic term oscillator with nonlinear damping term. The assumed parameter values are 𝑚=3/2, 𝐴=1, 𝜔_𝑛=1, ℎ=1, 𝑄₀=1, 𝜈=0.1, 𝜅=0.9, and 𝜔_𝑓=3/4.

𝑝	𝛿	𝜖	𝑐	𝜈1	𝜎	𝜐	RMSE
1/4	2.2003	−0.3094	0.5011	0.3964	−1	1.85	0.1293
3/4	2.2003	−0.3094	0.0609	0.8878	−1	1.85	0.0730
3/2	2.2260	−0.3513	0.0320	0.9539	0.95	0.6	0.0937
11/4	2.2260	−0.3513	−0.0111	0.6684	0.96	0.6	0.0759