Différences

Ci-dessous, les différences entre deux révisions de la page.

--- public:modeles:rotor_68:accueil [2024/08/01 16:35] – [Fréquences propres] rafaelbarraud
+++ public:modeles:rotor_68:accueil [2024/08/01 16:42] (Version actuelle) – [Natural frequencies] rafaelbarraud
@@ Ligne 52: / Ligne 52: @@
 ^ aspect ratio          |  [-]     | 1.89     |
 ^ number of blades         |  [-]     | 38     |
-^ rotative speed  |  [rad/s]  | 1680 |
+^ nominal rotation speed $\omega_n$   |  [rad/s]  | 1680 |
 ==== Material properties  ====
@@ Ligne 96: / Ligne 96: @@
 | 3     | 1T    | 10374.29                             | 1651.12                 |
+====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:Kojtych_2022_gene_aubes)]:
+{{ :public:modeles:rotor_68:campbell_eng_68_ref.png?500 }}
+<caption>Campbell diagram computed with a linear centrifugal preload, with clamped root (nominal rotation speed ωₙ = 1 680 rad/s)</caption>
+  * {{ :public:modeles:rotor_68:campbell_eng_68_ref.pdf |graph (.pdf)}}
+  * {{ :public:modeles:rotor_68:campbell_68_ref.csv |Campbell data (.csv)}}
@@ Ligne 124: / Ligne 132: @@
 | 3     | 1T    | 10314.29                      | 1641.57                  |
+====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:
+{{ :public:modeles:rotor_68:campbell_eng_68_ini.png?500 }}
+<caption>Campbell diagram computed with a linear centrifugal preload, with clamped root (nominal speed ωₙ = 1 680 rad/s),
+initial blade (orange), reference blade (gray) </caption>
+  * {{ :public:modeles:rotor_68:campbell_eng_68_ini.pdf |graph (.pdf)}}
+  * {{ :public:modeles:rotor_68:campbell_68_ini.csv |Campbell data (.csv)}}
@@ Ligne 264: / Ligne 285: @@
   * {{ :public:modeles:rotor_68:campbell_68_ini.csv |données du Campbell (.csv)}}
 </pane>
 </tabs>