The Spreading Residue Harmonic Balance Method for Strongly Nonlinear Vibrations of a Restrained Cantilever Beam

Table 2

Comparison of the SRHBM relative error, EBM relative error, and HAM relative error with the exact frequencies for various parameters.

Mode
1	1.0	0.326845	0.129579	0.232598	0.087584	0.21789	0.21482	0.010889
2	0.5	1.642033	0.913055	0.313561	0.204297	0.14353	0.23986	0.140753
3	0.2	4.051486	1.665232	0.281418	0.149677	0.106244	0.01283	0.08245
4	0.3	8.205578	3.145368	0.272313	0.133708	0.414459	0.82406	0.037142