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

Table 14

Natural frequencies for configuration 5.

Mode	Initial model frequency (Hz)	Target model frequency (Hz)	% relative error
1	3.90	3.60	8.50
2	4.96	4.73	4.96
3	5.52	5.35	3.24
4	5.84	5.96	2.05
5	6.97	6.49	7.38
6	8.15	8.06	1.14
7	8.96	8.62	3.90
8	9.18	9.18	0.00
9	9.52	9.28	2.52
10	10.03	9.50	5.58
11	10.64	10.13	5.03
12	10.95	10.48	4.47
13	11.18	10.87	2.81
14	11.38	10.97	3.71