Vibration Analysis of Viscoelastic Timoshenko Cracked Beams with Massless Viscoelastic Rotational Spring Models

Table 5

First three frequencies of the simply-supported standard linear solid viscoelastic beam with different viscous coefficient .

	1st		2nd		3rd
	Re (ωTB,01)	Im (ωTB,01)	Re (ωTB,02)	Im (ωTB,02)	Re (ωTB,03)	Im (ωTB,03)
	1275.20	0.3682	4876.05	5.3834	10281.3	23.931
	1275.25	3.6813	4879.09	53.698	10309.7	236.63
	1280.65	36.178	5134.38	403.76	11507.9	801.35
	1444.61	87.109	5660.20	100.55	11952.6	101.36
	1482.76	10.144	5671.23	10.159	11957.9	10.159
	1483.19	1.0160	5671.34	1.0160	11957.9	1.016
	1483.19	0.1016	5671.35	0.1016	11957.9	0.1016
	1483.19	0.0102	5671.35	0.0102	11957.9	0.0102
	1483.19	0.0010	5671.35	0.0010	11957.9	0.0010