diff options
Diffstat (limited to '3772/CH2/EX2.6/Ex2_6.sce')
-rw-r--r-- | 3772/CH2/EX2.6/Ex2_6.sce | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/3772/CH2/EX2.6/Ex2_6.sce b/3772/CH2/EX2.6/Ex2_6.sce new file mode 100644 index 000000000..b8dd24745 --- /dev/null +++ b/3772/CH2/EX2.6/Ex2_6.sce @@ -0,0 +1,35 @@ +// Problem no 2.6,Page no.34 + +clc;clear; +close; + +b_1=10 //cm //Breadth of the triangle +h=9 //cm //Height of triangle +b_2=2 //cm //width of rectangle +d=3 //cm //Depth of rectangle + +//Triangle ABC-1 +a_1=45 //cm**2 //Area of triangle +y_1=3 //cm //C.G of triangle + +//Rectanglar hole-2 +a_2=6 //cm**2 //Area of rectangle +y_2=4.5 //cm //C.G of rectangle + +//Calculations + +//Using relations +Y_bar=((a_1*y_1-a_2*y_2)*(a_1-a_2)**-1) //cm + +I_1=b_1*h**3*36**-1+a_1*(y_1-Y_bar)**2 //cm**4 //M.I of triangle ABC about x-x passing through C.G of section +I_2=b_2*d**3*12**-1+a_2*(y_2-Y_bar)**2 //cm**4 //M.I of rectangular hole about x-x passing through C.G of section +I=I_1-I_2 //cm**4 //M.I of whole section about x-x passing through the C.G + +I_3=b_1*h**3*12**-1 //cm**4 //M.I of triangle ABC about the base BC +I_4=b_2*d**3*12**-1+a_2*y_2**2 //cm**4 //M.I of Rectangular hole about the base BC + +I_5=I_3-I_4 //cm**4 //M.I of the whole section about the base BC + +//Result +printf("M.I of whole section about x-x passing through the C.G = %.2f cm^4",I) +printf("\n M.I of the whole section about the base BC is %.2f cm^4",I_5) |