Out-of-Plane Vibration of Curved Uniform and Tapered Beams with Additional Mass

Table 8

Nondimensional fundamental natural frequencies of unsymmetrical tapered curved beams with C-F end condition (10 kg additional mass at the free end).

θ
	Bare	Loaded	Bare	Loaded
30°	16.41	7.167	20.21	7.529
60°	4.28	1.897	5.25	1.985
90°	2.04	0.925	2.48	0.961
120°	1.261	0.588	1.514	0.605
150°	0.906	0.435	1.071	0.442
180°	0.717	0.351	0.833	0.353
270°	0.481	0.226	0.533	0.226
360°	0.382	0.176	0.419	0.178