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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3532/CH4/EX4.9/Ex4_9.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3532/CH4/EX4.9/Ex4_9.sce')
| -rw-r--r-- | 3532/CH4/EX4.9/Ex4_9.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3532/CH4/EX4.9/Ex4_9.sce b/3532/CH4/EX4.9/Ex4_9.sce new file mode 100644 index 000000000..5e07c87c7 --- /dev/null +++ b/3532/CH4/EX4.9/Ex4_9.sce @@ -0,0 +1,21 @@ +clc
+clear
+mprintf('Mechanical vibrations by G.K.Grover\n Example 4.6.1\n')
+//given data
+mprintf('NOTE:The mass given in textbook should be equal\n to 3.7 kgs and not 8.7 Kgs')
+m=3.7//mass in kg
+g=9.81// gravity
+K=7550////stiffness of in N/m
+u=0.22//coefficient of friction
+Fo=19.6//amp of force in N
+f=5//frequency of force
+//calculations
+F=u*m*g//frictional force
+W=2*%pi*f
+Wn=sqrt(K/m)
+bet=(W/Wn)
+X=(Fo/K)*sqrt(1-(4*F/(%pi*Fo))^2)/(1-bet^2)//Eqn 4.6.2 in Sec 4.6
+Ceq=4*F/(%pi*W*X)//equivalent viscous damping Eqn 4.6.1 in Sec 4.6
+//output
+mprintf('\nThe amplitude of vibration of mass is %f m\n The equivalent viscous damping is %f N-sec/m',X,Ceq)
+mprintf('\nNOTE: slight differnce in answer compared to textbook\n is due approximation of value of pi in the taxtbook')
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