4 files changed, 63 insertions, 0 deletions
diff --git a/3776/CH3/EX3.2/Ex3_2.sce b/3776/CH3/EX3.2/Ex3_2.sce
new file mode 100644
index 000000000..8a3a5388c
--- /dev/null
+++ b/3776/CH3/EX3.2/Ex3_2.sce
@@ -0,0 +1,15 @@
+clear
+//Given
+a = 50          //mm - length of a cube
+E =  200        // Gpa - the youngs modulus 
+v =  0.25       // no units- poissions ratio 
+pressure =  200 // MPa - pressure acting on all sides 
+//pressure is a compressive stress 
+S_x = -200 // Gpa - The stress in X direction 
+S_y = -200 // Gpa - The stress in Y direction
+S_z = -200 // Gpa - The stress in Z direction
+//Caliculations
+
+e = S_x*(10**-3)/E - v*S_y*(10**-3)/E-v*S_z*(10**-3)/E//mm - considering all three directions 
+x = e*a //mmThe change in the dimension between parallel faces
+printf("\n The change in the dimension between parallel faces is  %0.3f mm",x)
diff --git a/3776/CH3/EX3.3/Ex3_3.sce b/3776/CH3/EX3.3/Ex3_3.sce
new file mode 100644
index 000000000..655ef3251
--- /dev/null
+++ b/3776/CH3/EX3.3/Ex3_3.sce
@@ -0,0 +1,16 @@
+clear
+//Given
+R = 1000    // mm - radius of the cylinder 
+t =  10     //mm - thickness of the cylinder
+p_in = 0.80 //Mpa- Internal pressure 
+E = 200     //Mpa- youngs modulus 
+v = 0.25    // poission ratio
+//caliculations
+
+Stress_1 = p_in*R/t     //MPa -Hoop stress                    //From derived expressions 
+Stress_2 = p_in*R/(2*t) //Mpa- Longitudinal stress 
+e = Stress_1*(10**-3)/E-v*Stress_2*(10**-3)/E
+dia_change = e*R        //mm- The change in daimeter of the cylinder 
+printf("\n The Hoop stress is  %0.3f mm",Stress_1)
+printf("\n The longitudinal stress is  %0.3f",Stress_2)
+printf("\n The change in daimeter of the cylinder is %0.3f mm",dia_change)
diff --git a/3776/CH3/EX3.4/Ex3_4.sce b/3776/CH3/EX3.4/Ex3_4.sce
new file mode 100644
index 000000000..550b6a893
--- /dev/null
+++ b/3776/CH3/EX3.4/Ex3_4.sce
@@ -0,0 +1,17 @@
+clear
+//Given
+R = 1000             //mm - radius of the cylinder
+th = 10              //mm - thickness of the cylinder
+E = 200              //Mpa- youngs modulus 
+v = 0.25             // poission ratio
+p_in = 0.80          //Mpa- Internal pressure
+t =  10               //mm - thickness of the cylinder
+//caliculations
+
+Stress_1 = p_in*R/(2*t) //MPa -Hoop stress                    //From derived expressions 
+Stress_2 = p_in*R/(2*t) //Mpa- Longitudinal stress
+// Hoop stress and Longitudinal stress are same in this case
+e = Stress_1*(10**-3)/E-v*Stress_2*(10**-3)/E
+dia_change = e*R        //mm- The change in daimeter of the cylinder
+printf("\n The maximum stress is  %d MPa",Stress_2)
+printf("\n The change in daimeter of the cylinder is %0.2f mm",dia_change)
diff --git a/3776/CH3/EX3.5/Ex3_5.sce b/3776/CH3/EX3.5/Ex3_5.sce
new file mode 100644
index 000000000..4fe17f46f
--- /dev/null
+++ b/3776/CH3/EX3.5/Ex3_5.sce
@@ -0,0 +1,15 @@
+clear
+//Given
+p_in = 0.7   //MPa - internal pressure 
+n_bolts = 20 // number of bolts 
+dia = 650    //mm - bolt circle diameter 
+stress_allow = 125 //mm Maximum alowable stress
+Stress_conc = 2    //stress concentration
+d = 25             //mm 
+//caliculations
+
+F = p_in*3.14*(((dia-2*d)/2)**2)*(10**6) //N
+F_each = F/n_bolts //N- force per each Bolt
+A = Stress_conc*F_each/(stress_allow*(10**6)) //mm2 The bolt area 
+Bolt_dia = 2*((A/3.14)**0.5) //mm the bolt daimeter
+printf("\n The diameter of each bolt is %0.1f mm",Bolt_dia)