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
33
34
35
|
{
"metadata": {
"name": "Chapter_4"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": "Chapter 4 : Optical fibers and cables"
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "Example 4.1, page 196"
},
{
"cell_type": "code",
"collapsed": false,
"input": "import math\n\n#Variable declaration\nl=0.16*10**-9 #bond distance\nSt=2.6*10**6 #cohesive strength\npsi=6894.76\nE=9*10**10 #Young modulus of silica\nC=10**-8\n\n#Calculation\nYp=4*l*St**2/E\nSf=math.sqrt((2*E*Yp)/(math.pi*C)) #Fracture stress for elliptical crack\nStr=Sf/E #Strain\n\n#Result\nprint'Fracture stress for elliptical crack = %.2f x 10^5 psi'%(Sf*10**-5)\nprint'Strain in percentage = %d percent'%(Str*6894.76*100)",
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": "*"
}
],
"metadata": {}
}
]
}
|
