diff options
Diffstat (limited to '698/CH7/EX7.7/7_stiffness_of_fan.txt')
| -rw-r--r-- | 698/CH7/EX7.7/7_stiffness_of_fan.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/698/CH7/EX7.7/7_stiffness_of_fan.txt b/698/CH7/EX7.7/7_stiffness_of_fan.txt new file mode 100644 index 000000000..0de648bc7 --- /dev/null +++ b/698/CH7/EX7.7/7_stiffness_of_fan.txt @@ -0,0 +1,9 @@ +Transmissibility ratio = 1/(1 - r^2)
+ where r is the frequency ratio w/wn
+
+Natural Frequency wn=16.419 rad/s
+
+ wn=sqrt(k/m)
+where k is the stiffness and m is the mass
+Collective stiffness of the springs=10782.792 N/m
+Stiffness of each spring=3594.264 N/m
\ No newline at end of file |