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clear
//
//
//Initilization of Variables
d=150 //mm //Diameter
T=20*10**6 //N //Torque
M=12*10**6 //N-mm //B.M
F=200*10**3 //N //Axial Thrust
//Calculations
//M.I
I=(%pi*64**-1*d**4)
//Bending stress
f_A=M*I**-1*(d*2**-1) //N/mm**2
f_B=-f_A //N/mm**2
//Axial thrust due to thrust
sigma=F*(%pi*4**-1*d**2)**-1
//At A
p_x=f_A-sigma //N/mm**2
//At B
p_x2=f_B-sigma //N/mm**2
p_y=0 //At A and B
//Polar Modulus
J=%pi*32**-1*d**4 //mm**4
//Shearing stress at A and B
q=T*J**-1*(d*2**-1) //N/mm**2
//Principal Stresses
//At A
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
//Max shear stress
q_max1=(((p_x-p_y)*2**-1)**2+q**2)**0.5 //N/mm**2
//At B
P1_2=(p_x2+p_y)*2**-1+(((p_x2-p_y)*2**-1)**2+q**2)**0.5 //N/mm**2
P2_2=(p_x2+p_y)*2**-1-(((p_x2-p_y)*2**-1)**2+q**2)**0.5 //N/mm**2
//Max shear stress
q_max2=(((p_x2-p_y)*2**-1)**2+q**2)**0.5 //N/mm**2
//Result
printf("\n MAx Principal Stresses:P1 %0.2f N/mm**2",P1)
printf("\n :P2 %0.2f N/mm**2",P2)
printf("\n Min Principal Stresses:P1_2 %0.2f N/mm**2",P1_2)
printf("\n :P2_2 %0.2f N/mm**2",P2_2)
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