Finite Element Model Updating of Satellite Sailboard Based on Sensitivity Analysis

Table 5

Frequency error and MAC value of the model before and after updating.

Modal order	Error before updating		Error after updating
	Frequency ε (%)	MAC value	Frequency ε (%)	MAC value
1	−6.15	0.9287	−0.27	0.9755
2	−8.53	0.8485	−0.05	0.9522
3	−7.21	0.7528	−0.66	0.9343
4	−9.08	0.6416	−4.20	0.9016
5	−8.88	0.2901	−2.25	0.8832
6	−10.73	0.0430	−5.13	0.8525
7	−12.04	0.6965	−8.79	0.8241