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

Table 12

Natural frequencies for configuration 4.

Mode	Initial model frequency (Hz)	Target model frequency (Hz)	% relative error
1	3.73	3.76	0.81
2	4.89	4.90	0.21
3	5.32	5.30	0.38
4	5.71	5.60	2.00
5	7.75	7.79	0.39
6	8.50	8.43	0.84
7	8.84	8.85	0.11
8	9.02	9.04	0.22
9	9.76	9.87	1.13
10	10.41	10.54	1.25
11	10.53	11.01	4.34
12	10.99	11.16	1.55
13	11.46	11.51	0.35
14	11.69	11.90	1.79
15	12.37	12.20	1.42
16	13.30	12.78	4.14