Minimization of Ground Vibration Test Configurations for F-16 Aircraft by Subtractive Modification

Table 5

Correlation data after model updating.

#	Modal frequency before updating (Hz)	Modal frequency after updating (Hz)	Absolute % difference of modal frequency from FE and GVT results (%)	MAC (%)
1	3.30	3.84	0.02	98.7
2	6.93	5.01	0.01	97.2
3	7.46	5.48	0.02	97.6
4	8.20	5.71	0	96.9
5	8.34	6.86	0	93.7
6	8.40	7.89	0.01	92.4
7	10.33	8.90	0.01	84.2
8	11.00	9.08	0.01	80.6
9	11.07	9.74	0.01	83.9
10	11.42	10.12	0.07	82.9
11	13.17	10.61	0	35.9