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

Table 6

First three frequencies of the simply-supported Kelvin-Voigt 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)
	2496.69	5.4121	9547.07	79.131	20127	351.79
	2496.30	54.121	9514.59	791.31	19821	3517.96
	2437.54	541.22	4519.79	7915.27	0	64116
	0	10234	0	162289	0	819881
	0	144434	910274	287925	1992351	287925
	248022	28792	954308	28792	2012850	28792
	249671	2879.2	954738	2879.2	2013054	2879.2
	249688	287.92	954742	287.92	2013056	287.92
	249688	28.792	954742	28.792	2013056	28.792