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

Table 5

Nondimensional natural frequencies for the nonuniform double-beam system under different coupling spring stiffness with and of beam 2.

	(N/m^2)	, (N/m^2)	, (N/m^2)	(N/m^2)	(N/m^2)
1	3.5132	3.5972	3.6543	3.6545	3.6641
2	3.8524	4.1375	8.6261	8.7880	21.6424
3	21.0389	21.2602	21.4288	21.4751	59.5703
4	22.0129	22.2475	22.9277	23.3122	116.1607
5	56.5570	56.7903	56.8261	57.0392	191.3209
6	61.6177	61.7810	61.8310	62.0116	244.6118
7	109.6314	109.8539	109.7742	109.9922	267.2176
8	120.6885	120.8388	120.7933	120.9473	285.3005
9	180.0414	180.2551	180.1284	180.3406	313.1571
10	199.3790	199.5227	199.4420	199.5869	379.2597