Research Article
Minimization of Ground Vibration Test Configurations for F-16 Aircraft by Subtractive Modification
Table 9
Natural frequencies for configuration 1 vs. configuration 3.
| Mode | Initial model frequency (Hz) | Target model frequency (Hz) | % relative error |
| 1 | 3.84 | 4.28 | 10.24 | 2 | 5.01 | 5.44 | 7.87 | 3 | 5.48 | 6.23 | 11.95 | 4 | 5.71 | 6.45 | 11.53 | 5 | 6.86 | 7.98 | 14.05 | 6 | 7.89 | 8.94 | 11.75 | 7 | 8.90 | 9.50 | 6.22 | 8 | 9.08 | 9.65 | 5.91 | 9 | 9.74 | 10.57 | 7.81 | 10 | 10.12 | 10.68 | 5.25 | 11 | 10.61 | 11.17 | 5.02 | 12 | 11.20 | 11.82 | 5.26 | 13 | 11.31 | 11.91 | 5.05 | 14 | 11.93 | 12.34 | 3.30 | 15 | 12.03 | 13.08 | 8.02 | 16 | 12.67 | 13.14 | 3.57 | 17 | 12.95 | 13.42 | 3.49 |
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