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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/EX4.13/Ex4_13.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/EX4.13/Ex4_13.sce')
| -rw-r--r-- | 3532/CH4/EX4.13/Ex4_13.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3532/CH4/EX4.13/Ex4_13.sce b/3532/CH4/EX4.13/Ex4_13.sce new file mode 100644 index 000000000..4d2ebbd0e --- /dev/null +++ b/3532/CH4/EX4.13/Ex4_13.sce @@ -0,0 +1,21 @@ +clc
+clear
+mprintf('Mechanical vibrations by G.K.Grover\n Example 4.10.2\n')
+//given data
+m=75//mass of machine in kg
+K=11.76*10^5//stiffness of springs in N/m
+zeta=0.2
+mo=2//mass of piston in kg
+stroke=0.08//in m
+e=stroke/2//in m
+N=3000//spee in c.p.m
+//calculations
+Wn=sqrt(K/m)
+W=2*%pi*N/60
+bet=(W/Wn)
+y=(mo/m)
+Fo=mo*W^2*e//max force exerted
+X=y*e*bet^2/(sqrt((1-bet^2)^2+(2*zeta*bet)^2))//Eqn 4.3.2
+Ftr=Fo*sqrt(1+(2*zeta*bet)^2)/sqrt((1-bet^2)^2+(2*zeta*bet)^2)//force transmitted,Eqn 4.10.2 in Sec 4.10.1
+mprintf(' a)The amplitude of vibration of machine is %f m and the \n the vibratory force Ftr transmitted to the foundation is %5.4f N',X,Ftr)
+mprintf('\nNOTE: slight differnce in answer compared to textbook\n is due approximation of values in textbook')
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