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

Table 10

Natural frequencies for configuration 3.

Mode	Initial model frequency (Hz)	Target model frequency (Hz)	% relative error
1	4.27	4.28	0.24
2	5.47	5.44	0.56
3	6.21	6.23	0.16
4	6.47	6.45	0.32
5	7.89	7.98	1.15
6	8.90	8.94	0.34
7	9.43	9.50	0.64
8	9.75	9.65	1.06
9	10.49	10.57	0.68
10	10.74	10.68	0.57
11	11.01	11.17	1.37
12	11.54	11.82	2.33
13	11.94	11.91	0.26
14	12.04	12.34	2.39
15	12.92	13.08	1.25
16	12.99	13.14	1.16
17	13.39	13.42	0.23