Identification of Three-Dimensional Equivalent Material Properties for Laminated Disks Pack of Electric Machine Stators: Application in Reciprocal Compressors

Table 2

Comparison between the numerical and experimental natural frequencies of the first eight peaks of the reference point FRF after the adjustment of the laminated disk model.

Order	(Hz)	(Hz)	(%)
1	129.9	116.8	−10.2
2	290.2	280.3	−3.4
3	360.3	345.3	−4.1
4	490.0	487.4	−0.5
5	769.6	773.6	0.5
6	890.3	882.8	−0.8
7	1160.5	1172.1	1.0
8	1240.0	1218.0	−1.8
Average (%)			2.8
(%)			11.7