initial commit / add all books

1 files changed, 37 insertions, 0 deletions

diff --git a/3289/CH2/EX2.2/Ex2_2.sce b/3289/CH2/EX2.2/Ex2_2.sce
new file mode 100755
index 000000000..8a5b21d21
--- /dev/null
+++ b/3289/CH2/EX2.2/Ex2_2.sce
@@ -0,0 +1,37 @@
+clc;

+

+epsilon0=190*10^(-6)

+epsilon60=200*10^(-6)

+epsilon120=-300*10^(-6)

+E=200// GPa

+v=0.3

+epsilonx=epsilon0

+disp(epsilonx,"value of epsilonx is= ")

+

+// epsilon60=((epsilonx+epsilony)/2)-((epsilonx-epsilony)/4)+(gammaxy*sqrt(3))/4 eqn 1

+// epsilon120=((epsilonx+epsilony)/2)-((epsilonx-epsilony)/4)-(gammaxy*sqrt(3))/4 eqn 2

+

+epsilony=(2*(epsilon60+epsilon120)-epsilon0)/3

+disp(epsilony,"value of epsilony is= ")

+gammaxy=(2/sqrt(3))*(epsilon60-epsilon120)// from eqn 1 and eqn 2

+disp(gammaxy,"value of gammaxy is= ")

+epsilon1=((epsilonx+epsilony)/2)+sqrt(((epsilonx-epsilony)/2)^2+(gammaxy/2)^2)// epsilony value is in negative so the sign changes in the eqn

+disp(epsilon1,"value of epsilon1 is= ")

+epsilon2=((epsilonx+epsilony)/2)-sqrt(((epsilonx-epsilony)/2)^2+(gammaxy/2)^2)//epsilony value is in negative so the sign changes in the eqn

+disp(epsilon2,"value of epsilon2 is= ")

+

+gammamax=(2*10^-6)*sqrt(((epsilonx-epsilony)/2)^2+(gammaxy/2)^2)

+disp(gammamax,"max shear strain is= ")

+thetap=atand(577/320)/2

+disp(thetap,"orientations of principal axes is= ") // or

+thetap1=atand(577/320)*2

+disp(thetap1,"orientations of principal axes is= ")

+sigma1=(200*10^9/(1-0.09))*(epsilon1+0.3*epsilon2)

+disp(sigma1,"plane stresss is Pa= ")

+sigma2=(200*10^3/(1-0.09))*(epsilon2+0.3*epsilon1)

+disp(sigma2,"plane stresss is MPa= ")

+

+taumax=(200*10^9/(2*(1+0.3)))*gammamax

+disp(taumax,"plane stresss is MPa= ")

+

+