Flexural Vibration Analysis of Nonuniform Double-Beam System with General Boundary and Coupling Conditions

Table 3

Nondimensional natural frequencies for a tapered nonuniform beam with clamped-free (C-F) boundary condition and different cross-section parameters.

0.2	Current	3.60566	20.6030	56.1232	3.85241	21.0389	56.5570
	Ref. [24]	3.60827	20.6210	56.1923	3.85511	21.0568	56.6303
0.4	Current	3.73471	19.0993	50.2941	4.31621	20.0358	51.2654
	Ref. [24]	3.73708	19.1138	50.3537	4.31878	20.0500	51.3346
0.6	Current	3.93214	17.4767	43.9735	5.00654	19.0544	45.6680
	Ref. [24]	3.93428	17.4878	44.0248	5.00904	19.0649	45.7384
0.8	Current	4.29053	15.7350	36.8378	6.19373	18.3793	39.7350
	Ref. [24]	4.29249	15.7427	36.8846	6.19639	18.3855	39.8336