diff options
Diffstat (limited to '3862/CH4/EX4.20/Ex4_20.sce')
| -rw-r--r-- | 3862/CH4/EX4.20/Ex4_20.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/3862/CH4/EX4.20/Ex4_20.sce b/3862/CH4/EX4.20/Ex4_20.sce new file mode 100644 index 000000000..6d9ef22f4 --- /dev/null +++ b/3862/CH4/EX4.20/Ex4_20.sce @@ -0,0 +1,26 @@ +clear +//Each angle is divided into two rectangles + +//variable declaration + +A1=600.0*15.0 //Area of 1,mm^2 +A2=140.0*10.0 //Area of 2,mm^2 +A3=150.0*10.0 +A4=400.0*20.0 +A=A1+A2*2+A3*2+A4 //Total area,mm^2 + +//The distance of the centroidal axis from the bottom fibres of section + +Y1=320.0 +Y2=100.0 +Y3=25.0 +Y4=10.0 + +yc=(A1*Y1+2*A2*Y2+A3*Y3*2+A4*Y4)/A +printf("\n yc") +//Now, Moment of inertia about the centroidalaxis=Sum of the moment of inertia of the individual rectangles + +Ixx=(15.0*(600**3)/12.0)+(A1*((yc-320)**2))+((10.0*(140**3.0)/12.0)+(A2*((yc-100.0)**2)))*2+((150*(10**3)/12.0)+(A3*((yc-15.0)**2)))*2+(400.0*(20.0**3.0)/12.0)+(A4*((yc-10.0)**2)) + + +printf("\n Ixx= %0.1f mm^4",Ixx) |