initial commit / add all books

1 files changed, 14 insertions, 0 deletions

diff --git a/2744/CH2/EX2.4/Ex2_4.sce b/2744/CH2/EX2.4/Ex2_4.sce
new file mode 100755
index 000000000..1f8c506bb
--- /dev/null
+++ b/2744/CH2/EX2.4/Ex2_4.sce
@@ -0,0 +1,14 @@
+clear;

+clc;

+q = 2;//tons/in^2

+p = 5;//tons/in^2

+p_dash = 2;//tons/in^2

+theta = 0.5*atan(2*q/(p-p_dash));//radians

+theta1 = theta*180/%pi;//degrees

+theta2 = theta1+90;//degrees

+p_1 = 0.5*(p+p_dash)+sqrt(q^2 + 0.25*(p-p_dash)^2);//tons/in^2

+p_2 = 0.5*(p+p_dash)-sqrt(q^2 + 0.25*(p-p_dash)^2);//tons/in^2

+q_max = 0.5*(p_1-p_2);//tons/in^2

+printf('The principal stresses are p_1 = %d tons/in^2 .,tensile\n  p_2 = %d tons/in^2., tensile',p_1,p_2);

+printf('\n The maximum shear stress is %.1f tons/in^2., the planes offering it being inclined at %.2f degrees and %.2f degrees \n to the plane having the normal stress intensity of %d tons/in^2.',q_max,theta1+45,theta2+45,p);

+//there is an error in the answer given in text book