Added new codeHEADmaster

1 files changed, 32 insertions, 0 deletions

diff --git a/3863/CH1/EX1.29/Ex1_29.sce b/3863/CH1/EX1.29/Ex1_29.sce
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+clear
+//
+
+//Given
+//Variable declaration
+d=3*10           //Diameter of the rod in mm
+L=5*10**3        //Area of the rod in sq.mm
+T1=95            //Initial temperature in degree celsius
+T2=30            //Final temperature in degree celsius
+E=2e5*10**6      //Youngs Modulus in N/sq.m
+alpha=12e-6      //Co-efficient of linear expansion in per degree celsius
+
+//Calculation
+A=%pi/4*(d**2)        //Area of the rod
+T=T1-T2                   //Fall in temperature in degree celsius
+
+//case(i) When the ends do not yield
+stress1=int(alpha*T*E*1e-6)     //Stress in N/sq.mm
+Pull1=(stress1*A)        //Pull in the rod in N
+
+
+//case(ii) When the ends yield by 0.12cm
+delL=0.12*10
+stress2=int((alpha*T*L-delL)*E/L*1e-6)      //Stress in N/sq.mm
+Pull2=(stress2*A)                    //Pull in the rod in N
+
+
+//Result
+printf("\n Stress when the ends do not yield = %0.3f  N/mm^2",stress1)
+printf("\n Pull in the rod when the ends do not yield = %0.3f  N",Pull1)
+printf("\n Stress when the ends yield = %0.3f  N/mm^2",stress2)
+printf("\n Pull in the rod when the ends yield = %0.3f  N",Pull2)