Research Article
Flight Loads Prediction of High Aspect Ratio Wing Aircraft Using Multibody Dynamics
Table 2
Lowest natural frequencies of free-free aircraft.
| | Mode description | Frequency [Hz] |
| | 1st symm. bending | 0.836 | | 1st antisymm. bending | 1.238 | | 1st antisymm. bending + VT bending | 1.792 | | 2nd symm. bending | 2.059 | | 1st antisymm. bending + VT torsion/HT bending | 2.235 | | 2nd antisymm. bending | 2.757 | | 1st antisymm. mixed bending + VT torsion/HT bending | 3.281 | | 1st symm. mixed bending + fuselage/HT bending | 3.640 | | 3rd symm. bending + torsion | 3.710 | | 1st in-plane bending + fuselage/HT bending | 4.019 | | 3rd antisymm. bending + torsion | 4.848 |
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