Added new codeHEADmaster

1 files changed, 42 insertions, 0 deletions

diff --git a/3864/CH9/EX9.5/Ex9_5.sce b/3864/CH9/EX9.5/Ex9_5.sce
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+clear
+//
+//
+
+//Initilization of Variables
+
+D=200 //mm //External Diameter
+t=20 //mm //hickness
+d=200-2*t //mm //Internal Diameter
+E=1*10**5 //N/mm**2
+a=1*(1600)**-1 //Rankine's Constant
+L=4.5 //m //Length
+sigma=550 //N/mm**2 //Stress
+FOS=2.5
+
+//Calculations
+
+//Moment of Inertia
+I=%pi*D**4*64**-1-%pi*d**4*64**-1
+
+//Both Ends are fixed
+
+//Effective Length
+l=1*2**-1*L*10**3 //mm
+
+//Euler's Critical Load
+P_E=%pi**2*E*I*(l**2)**-1
+
+A=%pi*4**-1*(D**2-d**2) //mm*2
+
+k=(I*A**-1)**0.5
+
+//Rankine's Critical Load
+P_R=sigma*A*(1+a*(l*k**-1)**2)**-1
+
+X=P_E*P_R**-1 
+
+//Safe Load using Rankine's Formula
+S=P_R*(FOS)**-1*10**-3 //KN
+
+//Result
+printf("\n Safe Load by Rankines Formula is %0.2f  KN",S)