Research on Damping Engagement Methodology in Dynamic Analysis of Isolated Structure

Table 4

Frequency of the experimental system.

	Nonisolated			Isolated
	Measured (Hz)	Theoretical (Hz)	Error (%)	Measured (Hz)	Theoretical (Hz)	Error (%)
1	3.91	4.35	11.40	1.74	1.66	−4.79
2	11.69	12.20	4.32	7.05	7.83	11.02
3	18.20	17.63	−3.13	13.74	13.94	1.45
4	/	/	/	18.93	18.09	−4.47

Error = (theoretical − measured)/measured.