Transverse Vibration of a Moving Viscoelastic Hard Membrane Containing Scratches

Table 3

Frequency ratios versus the axial velocity.

Scratch depth	Initial	Frequency ratio (%)
		Speed v
		2	4	6	8
0.0	39.09	96.71	86.93	70.84	48.68
0.1	39.04	96.71	86.91	70.81	48.62
0.2	38.87	96.70	86.87	70.72	48.43
0.3	38.57	96.68	86.80	70.54	48.08
0.4	38.07	96.65	86.67	70.22	47.46
0.5	37.19	96.59	86.42	69.62	46.26