Test on the Influence of Geometric Parameters of an Annular Trench on the Vibration Isolation Area

Table 6

Test arrangement of the parameter .

Test conditions	Excitation frequency (Hz)	W
2-1	30	0.03
2-2		0.05
2-3		0.08
2-4		0.10
2-5	60	0.05
2-6		0.11
2-7		0.16
2-8		0.21
2-9	120	0.11
2-10		0.22
2-11		0.33
2-12		0.44