Model Updating of Complex Structures Using the Combination of Component Mode Synthesis and Kriging Predictor

Table 2

Comparison of modal parameters between ERA method and the condensed FEM.

Mode	Frequency (Hz)		Frequency error (%)	MAC
	Condensed FE model	ERA method
1	6.91	6.47	6.34	0.94
2	7.13	8.00	11.00	0.94
3	11.00	10.54	3.98	0.96
4	16.93	16.67	1.44	0.80
5	17.20	19.37	11.25	0.89
6	20.54	21.64	5.05	0.87