Equivalent Representation Form of Oscillators with Elastic and Damping Nonlinear Terms

Table 2

Computed values of the finite extensibility nonlinear oscillator (FENO) with nonlinear damping term. The assumed parameter values are 𝐴=0.9, 𝜈=0.1, 𝑄₀=1, and 𝜅₀=0.9, with 𝜔_𝑓=0.75.

𝑝	𝛿	𝜖	𝑐	𝜈1	𝜎	𝜐	RMSE
1/4	0.6432	2.0089	0.7490	0.2392	-0.800	4.8	0.1984
1/2	0.4782	2.3696	0.1949	0.5017	-0.875	4.8	0.1270
5/4	0.6919	1.8831	0.0371	1.0742	0.750	0.8	0.0819
3/2	0.6601	1.9668	0.0894	0.3851	0.785	0.5	0.0927