blob: abb347fc87349aa9bef0daf9e075a31c49eaab19 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
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)
|
