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+//Part B Chapter 2 Example 5

+clc;

+clear;

+close;

+format('v',6);

+sigma1=100;//N/m^2

+sigma2=-50;//N/m^2

+tau=0;//N/mm^2

+theta=60;//degree

+sigma_n=(sigma1+sigma2)/2+(sigma1-sigma2)/2*cosd(2*theta);//N/mm^2

+sigma_t=(sigma1-sigma2)/2*sind(2*theta);//N/mm^2

+sigma=sqrt(sigma_n^2+sigma_t^2);//N/mm^2

+disp(sigma_n,"Value of sigma_n(compressive) in N/mm^2 : ");

+disp(sigma_t,"Value of sigma_t in N/mm^2 : ");

+disp(sigma,"Value of resultant stress in N/mm^2 : ");

+alfa=1/2*asind(-(sigma1+sigma2)/2/sqrt((sigma1-sigma2)^2/4))-45;//degree

+disp("Plane of whole shear is "+string(alfa)+" degree with plane AD");

+sigma_t_alfa=(sigma1-sigma2)/2*sind(2*alfa)-tau*cosd(2*alfa);//N/mm^2

+disp(sigma_t_alfa,"Value of shear stresses at this plane in N/mm^2 : ");