Différences

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

--- public:modeles:rotor_65:accueil [2024/07/30 12:56] – [Fréquences propres] rafaelbarraud
+++ public:modeles:rotor_65:accueil [2024/07/30 13:02] (Version actuelle) – [Campbell diagram] rafaelbarraud
@@ Ligne 54: / Ligne 54: @@
 ^ tip speed     |  [m/s]   | 419.1      |
 ^ aspect ratio          |  [-]     | 1.679     |
-^ rotative speed  |  [rad/s]  | 1918.66  |
+^ nominal rotation speed $\omega_n$ |  [rad/s]  | 1918.66  |
 ==== Material properties  ====
@@ Ligne 95: / Ligne 95: @@
 |  3     |  1T    |  4954.74                             |  788.57                 |
+====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_65:campbell_eng_65_ref.png?500 }}
+<caption>Campbell diagram computed with a linear centrifugal preload, with clamped root (nominal rotation speed ωₙ = 1 918.66 rad/s)</caption>
+  * {{ :public:modeles:rotor_65:campbell_eng_65_ref.pdf |graph (.pdf)}}
+  * {{ :public:modeles:rotor_65:campbell_65_ref.csv |Campbell data (.csv)}}
@@ Ligne 122: / Ligne 130: @@
 |  2     |  2B    |  3125.95                              |  497.51                  |
 |  3     |  1T    |  4971.34                             |  791.21                |
+====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_65:campbell_eng_65_ini.png?500 }}
+<caption>Campbell diagram computed with a linear centrifugal preload, with clamped root (nominal speed ωₙ = 1 918.66 rad/s),
+initial blade (orange), reference blade (gray) </caption>
+  * {{ :public:modeles:rotor_65:campbell_eng_65_ini.pdf |graph (.pdf)}}
+  * {{ :public:modeles:rotor_65:campbell_65_ini.csv |Campbell data (.csv)}}