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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /3289/CH6/EX6.4 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '3289/CH6/EX6.4')
| -rwxr-xr-x | 3289/CH6/EX6.4/Ex6_4.sce | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/3289/CH6/EX6.4/Ex6_4.sce b/3289/CH6/EX6.4/Ex6_4.sce new file mode 100755 index 000000000..2a4a9b95e --- /dev/null +++ b/3289/CH6/EX6.4/Ex6_4.sce @@ -0,0 +1,41 @@ +clc
+
+G=80 //GPa
+E=200 //GPa
+tf=10 //mm
+tw=0.007 //m
+t1=tw
+t2=0.01
+h=0.2 //m
+b=0.1 //m
+b2=b
+b1=0.19
+L=2.4 //m
+If=0.01*0.1^3
+Mt=1200
+L=2.4
+
+//solution a:
+//C=Mt/theta
+//C=(b1*t1^3+2*b2*t2^3)*(G/3)
+C=((b1*t1^3+2*b2*t2^3)/3)// without substituting the value of G we get C
+disp(C,"torsional rigidity of the beam is= ")
+
+//a=(If*E)/12
+a=If/12// without substituting the value of E we get a
+disp(a)
+//alpha=1/(h*sqrt((E*If)/(2*C)))
+y=sqrt((2.5*a)/(2*C))// without substituting the value of h
+disp(y)
+//(1/alpha)==y
+//sigmafmax=(Mfmax*x)/If
+sigmafmax=(3.43*Mt*0.05)/a
+disp(sigmafmax,"maxi longitudinal bending stress in the flange in MPa is= ")
+
+//soluton b:
+si=(Mt/(C*G*10^9))*(L-y*h)
+disp(si,"the angle of twist at the free end in radian is =")
+si1=(Mt*L)/(C*G*10^9)
+disp(si1,"total angle of twist in radians is= ")
+
+
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