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Diffstat (limited to '3862/CH4/EX4.13')
| -rw-r--r-- | 3862/CH4/EX4.13/Ex4_13.sce | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/3862/CH4/EX4.13/Ex4_13.sce b/3862/CH4/EX4.13/Ex4_13.sce new file mode 100644 index 000000000..10766b63c --- /dev/null +++ b/3862/CH4/EX4.13/Ex4_13.sce @@ -0,0 +1,41 @@ +clear +//The given composite section can be divided into two rectangles + + +//variable declaration + + +A1=125.0*10.0 //Area of 1,mm^2 +A2=75.0*10.0 //Area of 2,mm^2 +A=A1+A2 //Total area,mm^2 + +//First, the centroid of the given section is to be located. Two reference axis (1)–(1) and (2)–(2) + +//The distance of centroid from the axis (1)–(1) + +X1=5.0 +X2=10.0+75.0/2 + +xc=(A1*X1+A2*X2)/A + +//Similarly, the distance of the centroid from the axis (2)–(2) + +Y1=125.0/2 +Y2=5.0 + +yc=(A1*Y1+A2*Y2)/A + +//With respect to the centroidal axis x-x and y-y, the centroid of A1 is g1 (xc-5, (85/2)-xc) and that of A2 is g2 ((135/2)-yc, yc-5). +Ixx=(10*(125**3)/12)+(A1*(21.56**2))+(75.0*(10.0**3.0)/12)+(A2*((39.94)**2)) + +printf("\n Ixx= %0.1f mm^4",Ixx) + +Iyy=(125*(10**3)/12)+(A1*(15.94**2))+(10*(75**3)/12)+(A2*(26.56**2)) + +printf("\n Iyy= %0.1f mm^4",Iyy) + +//Izz=Polar moment of inertia + +Izz=Ixx+Iyy + +printf("\n Izz= %0.1f mm^4",Izz)
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