Added new codeHEADmaster

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)