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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#1: Introduction"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"##Example number 1.1, Page number 1.4"
]
},
{
"cell_type": "code",
"execution_count": 9,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"ratio of Al is 37.18 *10**3\n",
"ratio of Mg is 30.9 *10**3\n",
"ratio of steel is 17.69 *10**3\n",
"ratio of glass is 25.55 *10**3\n",
"Aluminium alloy is the best material\n"
]
}
],
"source": [
"#importing modules\n",
"import math\n",
"from __future__ import division\n",
"\n",
"#Variable declaration\n",
"ws_al=103; #working stress of Al\n",
"ws_mg=55; #working stress of Mg\n",
"ws_st=138; #working stress of steel\n",
"ws_g=35; #working stress of glass\n",
"d_al=2770; #density of Al\n",
"d_mg=1780; #density of Mg\n",
"d_st=7800; #density of steel\n",
"d_g=1370; #density of glass\n",
"A=10**6; #area\n",
"l=1; #length\n",
"\n",
"#Calculation\n",
"L_al=ws_al*A; #load of Al\n",
"L_mg=ws_mg*A; #load of Mg\n",
"L_st=ws_st*A; #load of steel\n",
"L_g=ws_g*A; #load of glass\n",
"W_al=d_al*l; #weight of Al\n",
"W_mg=d_mg*l; #weight of Mg\n",
"W_st=d_st*l; #weight of steel\n",
"W_g=d_g*l; #weight of glass\n",
"r_al=L_al/W_al; #ratio of Al\n",
"r_mg=L_mg/W_mg; #ratio of Mg\n",
"r_st=L_st/W_st; #ratio of steel\n",
"r_g=L_g/W_g; #ratio of glass\n",
"\n",
"#Result\n",
"print \"ratio of Al is\",round(r_al/10**3,2),\"*10**3\"\n",
"print \"ratio of Mg is\",round(r_mg/10**3,2),\"*10**3\"\n",
"print \"ratio of steel is\",round(r_st/10**3,2),\"*10**3\"\n",
"print \"ratio of glass is\",round(r_g/10**3,2),\"*10**3\"\n",
"print \"Aluminium alloy is the best material\""
]
}
],
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"kernelspec": {
"display_name": "Python 2",
"language": "python",
"name": "python2"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 2
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython2",
"version": "2.7.9"
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"nbformat": 4,
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}
|
