Research Article
Minimization of Ground Vibration Test Configurations for F-16 Aircraft by Subtractive Modification
Table 11
Natural frequencies for configuration 2 vs. configuration 4.
| Mode | Initial model frequency (Hz) | Target model frequency (Hz) | % relative error |
| 1 | 3.71 | 3.76 | 1.35 | 2 | 4.86 | 4.90 | 0.83 | 3 | 5.21 | 5.30 | 1.54 | 4 | 5.50 | 5.60 | 1.81 | 5 | 7.74 | 7.79 | 0.52 | 6 | 8.50 | 8.43 | 0.84 | 7 | 8.71 | 8.85 | 1.61 | 8 | 8.97 | 9.04 | 0.67 | 9 | 9.51 | 9.87 | 3.60 | 10 | 9.75 | 10.54 | 7.52 | 11 | 10.16 | 11.01 | 7.66 | 12 | 10.76 | 11.16 | 3.55 | 13 | 11.45 | 11.51 | 0.44 | 14 | 11.56 | 11.90 | 2.90 | 15 | 12.24 | 12.20 | 0.33 | 16 | 13.26 | 12.78 | 3.82 |
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