Model Based Research of Dynamic Performance of Shaft-Bearing System in High-Speed Field

Table 2

Natural frequency and FRF magnitude comparison.

	Order	Experimentation	Simulation	Error (%)
Natural frequency [Hz]	1	869.5	909	4.54
	2	1285	1344	4.59
	3	2584	2477	4.14
	4	4348	4453	2.41
FRF magnitude [m/s^2/N]	1	3.25	3.07	5.53
	2	4.31	4.16	3.48
	3	6.56	6.92	5.48
	4	18.48	18.13	1.89