diff options
Diffstat (limited to '3864/CH7/EX7.14')
-rw-r--r-- | 3864/CH7/EX7.14/Ex7_14.sce | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/3864/CH7/EX7.14/Ex7_14.sce b/3864/CH7/EX7.14/Ex7_14.sce new file mode 100644 index 000000000..a000a0993 --- /dev/null +++ b/3864/CH7/EX7.14/Ex7_14.sce @@ -0,0 +1,40 @@ +clear +// +// + +//Initilization of Variables + +F=40*10**3 //N //Shear Force +M=20*10**6 //Bending Moment + +//Rectangular section +b=100 //mm //Width +d=200 //mm //Depth + +x=20 //mm //Distance from Top surface upto point +y=80 //mm //Distance from point to Bottom + +//Calculations + +I=1*12**-1*b*d**3 //mm**4 //M.I + +//At 20 mm Below top Fibre +f_x=M*I**-1*y //N/mm**2 //Stress + +//Assuming sagging moment ,f_x is compressive p_x=f_x=-24 //N/mm**2 +f_x=-24 //N/mm**2 +p_x=-24 + +//Shearing stress +q=F*(b*I)**-1*(b*x*(b-x*2**-1)) //N/mm**2 + +//Direct stresses + +p_y=0 //N/mm**2 + +p1=(p_x+p_y)*2**-1+(((p_x+p_y)*2**-1)**2+q**2)**0.5 //N/mm**2 +p2=(p_x+p_y)*2**-1-(((p_x+p_y)*2**-1)**2+q**2)**0.5 //N/mm**2 + +//Result +printf("\n Directions of principal stresses at a point below 20mm is: %0.2f N/mm**2",p1) +printf("\n %0.2f N/mm**2",p2) |