Generalized Differential Quadrature Method for Free Vibration Analysis of a Rotating Composite Thin-Walled Shaft

Table 1

Natural frequencies of cantilever composite shafts.

0	3.5160	3.5160	22.0345	22.0345	61.6975	61.6975
Ref [29]	3.5160	3.5160	22.0340	22.0340	61.6970	61.6970
2	1.5160	5.5160	20.0345	24.0345	59.6975	63.6975
Ref [29]	1.5160	5.5160	20.0340	24.0340	59.6970	63.6970
3.5	0.0160	7.0160	18.5345	25.5345	58.1975	65.1975
Ref [29]	-	7.0160	18.5340	25.5340	58.1970	65.1970
4	0.4840	7.5160	18.0345	26.0345	57.6975	65.6975
Ref [29]	-	7.5160	18.0340	26.0340	57.6970	65.6970
8	4.4839	11.5160	14.0345	30.0345	53.6975	69.6975
Ref [29]	-	11.5160	14.0340	30.0340	53.6970	69.6970