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{
"metadata": {
"name": "",
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{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 22: Fuselages"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 22.1 Pg.No.598"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"from __future__ import division\n",
"import math\n",
"#B1=t_D*b/6(2+sigma_2/sigma_1)\n",
"Mx=200*10**6 # (N*mm)\n",
"y=[381,352,269.5,145.8,0,-145.8,-269.5,-352,-381,-352,-269.5,-145.8,0,145.8,269.5,352]\n",
"sigma_2=sigma_16=352\n",
"sigma_1=381\n",
"A=100\n",
"B1=A+0.8*149.6/6*(2+sigma_2/sigma_1)*2\n",
"Ixx=2.52*10**8\n",
"def sigma_z(y):\n",
" return Mx/Ixx*y\n",
"print \"Stringer/Boom \\t y(mm) \\t \\tsigma_z(N/mm^2)\"\n",
"for i in range (0,16):\n",
" print \"%2.0f \\t\\t %3.1f\\t\\t\\t%3.1f \"%(i+1,y[i],sigma_z(y[i]))\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Stringer/Boom \t y(mm) \t \tsigma_z(N/mm^2)\n",
" 1 \t\t 381.0\t\t\t302.4 \n",
" 2 \t\t 352.0\t\t\t279.4 \n",
" 3 \t\t 269.5\t\t\t213.9 \n",
" 4 \t\t 145.8\t\t\t115.7 \n",
" 5 \t\t 0.0\t\t\t0.0 \n",
" 6 \t\t -145.8\t\t\t-115.7 \n",
" 7 \t\t -269.5\t\t\t-213.9 \n",
" 8 \t\t -352.0\t\t\t-279.4 \n",
" 9 \t\t -381.0\t\t\t-302.4 \n",
"10 \t\t -352.0\t\t\t-279.4 \n",
"11 \t\t -269.5\t\t\t-213.9 \n",
"12 \t\t -145.8\t\t\t-115.7 \n",
"13 \t\t 0.0\t\t\t0.0 \n",
"14 \t\t 145.8\t\t\t115.7 \n",
"15 \t\t 269.5\t\t\t213.9 \n",
"16 \t\t 352.0\t\t\t279.4 \n"
]
}
],
"prompt_number": 9
},
{
"cell_type": "code",
"collapsed": false,
"input": [],
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}
|
