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Diffstat (limited to '3705/CH12/EX12.8')
-rw-r--r-- | 3705/CH12/EX12.8/Ex12_8.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/3705/CH12/EX12.8/Ex12_8.sce b/3705/CH12/EX12.8/Ex12_8.sce new file mode 100644 index 000000000..9b7ebee9d --- /dev/null +++ b/3705/CH12/EX12.8/Ex12_8.sce @@ -0,0 +1,24 @@ + +clear//
+
+//Variable Declaration
+D=250 //Wideness in mm
+b=20 //Thickness of the plate in mm
+r=50 //Radius of the hole in mm
+e=50 //Eccentricity in mm
+sigma_max=150 //Maximum normal stress at the hole in MPa
+kb=2 //Stress Concentraion factor
+
+//Calculations
+A=b*(D-2*r)*10**-6 //Area in m^2
+I=10**-12*(b*D**3*12**-1-(b*2**3*r**3*12**-1)) //Moment of inertia in m^4
+//Simplfying computation
+a=2*r*D**-1
+kt=3-3.13*a+3.66*a**2-1.53*a**3 //Stress Concentration factor
+//Simplfying computation
+b=kt*A**-1
+c=kb*r*r*10**-6*I**-1
+P=10**3*sigma_max*(b+c)**-1 //Maximum Load in N
+
+//Result
+printf("\n The maximum value of P is %0.1f kN",P)
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