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//
//
//Initilization of Variables
d1=200 //mm //External Diameter of shaft
t=25 //mm //Thickness of shaft
n=200 //rpm
theta=0.5*%pi*180**-1 //Radian //angle of twist
L=2000 //mm //Length of shaft
G=84*10**3 //N/mm**2
d2=d1-2*t //mm //Internal Diameter of shaft
//Calculations
J=%pi*32**-1*(d1**4-d2**4) //mm**4 //Polar Modulus
//Torsional moment
T=G*J*theta*L**-1 //N/mm**2
//Power Transmitted
P=2*%pi*n*T*60**-1*10**-6 //N-mm
//Max shear stress transmitted
q_s=G*theta*(d1*2**-1)*L**-1 //N/mm**2
//Result
printf("\n Power Transmitted is %0.2f N-mm",P)
printf("\n Max Shear stress produced is %0.2f N/mm**2",q_s)
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