diff options
Diffstat (limited to '3532/CH4/EX4.7/Ex4_7.sce')
| -rw-r--r-- | 3532/CH4/EX4.7/Ex4_7.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/3532/CH4/EX4.7/Ex4_7.sce b/3532/CH4/EX4.7/Ex4_7.sce new file mode 100644 index 000000000..975af1a15 --- /dev/null +++ b/3532/CH4/EX4.7/Ex4_7.sce @@ -0,0 +1,19 @@ +clc
+clear
+mprintf('Mechanical vibrations by G.K.Grover\n Example 4.4.3\n')
+//given data
+delst=0.1//steady state defln in m
+g=9.81//acceleration due to gravity
+Y=0.08//amp of vibration of automobile in m
+lambda=14//wavelenght of profile in m
+//calculations
+Wn=sqrt(g/delst)
+fn=Wn/(2*%pi)//frequency of vibration of automobile in Hz
+Vc=(3600/1000)*lambda*fn//critical speed in km/hr
+V=60 //speed in km/hr
+W=V*(1000/3600)*(2*%pi/lambda)
+bet=(W/Wn)
+zeta=0
+X=Y*(sqrt(1+(2*zeta*bet)^2)/sqrt((1-bet^2)^2+(2*zeta*bet)^2))//Eqn (4.4.6)
+//output
+mprintf(' The critical speed of automobile %4.4f km/hr\n The amplitude of vibration at 60 Km/Hr is %4.4f m',Vc,X)
|