Différences
Ci-dessous, les différences entre deux révisions de la page.
Les deux révisions précédentes Révision précédente Prochaine révision | Révision précédente | ||
public:modeles:rotor_07:accueil [2024/07/25 12:18] – [Aerodynamic design] rafaelbarraud | public:modeles:rotor_07:accueil [2024/08/05 15:48] (Version actuelle) – [Natural frequencies] rafaelbarraud | ||
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Ligne 96: | Ligne 96: | ||
^ Mode ^ Type ^ Natural angular frequency (rad/ | ^ Mode ^ Type ^ Natural angular frequency (rad/ | ||
| 1 | | 1 | ||
- | | 2 | + | | 2 |
| 3 | | 3 | ||
+ | ====Campbell diagram==== | ||
+ | Evolution of the natural frequencies of the first 3 vibration modes, as a function of rotation speed, for the mesh computed with OpenMCAD[(cite: | ||
+ | {{ : | ||
+ | < | ||
+ | |||
+ | * {{ : | ||
+ | * {{ : | ||
===== Initial blade ===== | ===== Initial blade ===== | ||
Ligne 115: | Ligne 122: | ||
^ Mode ^ Type ^ Natural angular frequency (rad/ | ^ Mode ^ Type ^ Natural angular frequency (rad/ | ||
- | | 1 | + | | 1 |
| 2 | | 2 | ||
| 3 | | 3 | ||
Ligne 123: | Ligne 130: | ||
^ Mode ^ Type ^ Natural angular frequency (rad/ | ^ Mode ^ Type ^ Natural angular frequency (rad/ | ||
- | | 1 | + | | 1 |
| 2 | | 2 | ||
| 3 | | 3 | ||
+ | ====Campbell diagram==== | ||
+ | Comparison of the evolution of the natural frequencies of the first 3 vibration modes, as a function of rotation speed for the initial and the reference blade: | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | |||
+ | < | ||
+ | |||
+ | initial blade (orange), reference blade (gray) </ | ||
+ | * {{ : | ||
+ | * {{ : | ||
</ | </ | ||
Ligne 224: | Ligne 242: | ||
^ Mode ^ Type ^ Pulsation propre (rad/ | ^ Mode ^ Type ^ Pulsation propre (rad/ | ||
| 1 | | 1 | ||
- | | 2 | + | | 2 |
| 3 | | 3 | ||
Ligne 245: | Ligne 263: | ||
^ Mode ^ Type ^ Pulsation propre (rad/ | ^ Mode ^ Type ^ Pulsation propre (rad/ | ||
- | | 1 | + | | 1 |
| 2 | | 2 | ||
| 3 | | 3 | ||
Ligne 253: | Ligne 271: | ||
^ Mode ^ Type ^ Pulsation propre (rad/ | ^ Mode ^ Type ^ Pulsation propre (rad/ | ||
- | | 1 | + | | 1 |
| 2 | | 2 | ||
| 3 | | 3 |
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- Dernière modification : 2024/07/25 12:18
- de rafaelbarraud