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+//Example 3.2

+//Yielding Criteria for Ductile Metals

+//Page No. 78

+clc;clear;close;

+

+sigma00=500;           //in MPa

+sigma_z=-50;           //in MPa

+sigma_y=100;           //in MPa

+sigma_x=200;           //in MPa

+T_xy=30;           //in MPa

+T_yz=0;           //in MPa

+T_xz=0;           //in MPa

+sigma0=sqrt((sigma_x-sigma_y)^2+(sigma_y-sigma_z)^2+(sigma_z-sigma_x)^2+6*(T_xy^2+T_yz^2+T_xz^2))/sqrt(2);

+s=sigma00/sigma0;

+printf('\nSince the calculated value of sigma0 = %g MPa, which is less than the yield strength of the aluminium alloy\nThus safety factor is = %g',sigma0,s);