Research Article
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 |
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