Added new codeHEADmaster

1 files changed, 22 insertions, 0 deletions

diff --git a/3862/CH8/EX8.29/Ex8_29.sce b/3862/CH8/EX8.29/Ex8_29.sce
new file mode 100644
index 000000000..5e832dde3
--- /dev/null
+++ b/3862/CH8/EX8.29/Ex8_29.sce
@@ -0,0 +1,22 @@
+clear
+//variable declaration
+
+L=(1000)                     //length of the bar at normal temperature,mm
+As=(50*10)                   //Area of steel,mm^2
+Ac=(40*5)                    //Area of copper,mm^2
+//Ac = Free expansion of copper  is greater than free expansion of steel  . To bring them to the same position, tensile force Ps acts on steel plate and compressive force Pc acts on each copper plate. 
+alphas=(0.000012)                   //Expansion of coeffcient of steel,/°C
+alphac=(0.000017 )                  //Expansion of coeffcient of copper,/°C
+t=80                              //raise by temperature, °C
+Es=2*100000                       //Young's modulus of steel,N/mm^2
+Ec=1*100000                       //Young's modulus of copper,N/mm^2
+Pc=((alphac-alphas)*t*L)/((2*L/(As*Es)) +(L/(Ac*Ec)))
+Ps=2*Pc
+
+pc=Pc/Ac                          //Stress in copper,N/mm^2
+ps=Ps/As                          //Stress in steel, N/mm^2
+
+Changeinlength=alphas*t*L+(Ps*L/(As*Es))
+
+
+printf("\n Change in length= %0.2f  mm",Changeinlength)