From 92cca121f959c6616e3da431c1e2d23c4fa5e886 Mon Sep 17 00:00:00 2001 From: hardythe1 Date: Tue, 7 Apr 2015 15:58:05 +0530 Subject: added books --- .../Chapter26.ipynb | 82 ++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100755 Aircraft_Structures_for_Engineering_Students/Chapter26.ipynb (limited to 'Aircraft_Structures_for_Engineering_Students/Chapter26.ipynb') diff --git a/Aircraft_Structures_for_Engineering_Students/Chapter26.ipynb b/Aircraft_Structures_for_Engineering_Students/Chapter26.ipynb new file mode 100755 index 00000000..994182d0 --- /dev/null +++ b/Aircraft_Structures_for_Engineering_Students/Chapter26.ipynb @@ -0,0 +1,82 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:eb3a8ca85b2b3516ec190a12a8401ddf32d140498cd023be9bda6228b1754025" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 26: Closed Section Beams" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 26.3 Pg.No.693" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "from sympy import solve, symbols\n", + "import math\n", + "\n", + "\n", + "G=20000 #shear modulus (N/mm^2)\n", + "E=G/0.36 #young's modulus\n", + "tau=20 #torque (Nm/mm)\n", + "t=1\n", + "b=200\n", + "a=500\n", + "L=2500\n", + "A=800\n", + "\n", + "#torque at each support \n", + "T=20*5000/2\n", + "\n", + "mu=math.sqrt(8*G*t/(A*E*(b+a)))\n", + "\n", + "z=2500\n", + "F=-1.95/mu*math.cosh(mu*z)+1.75*z**2\n", + "\n", + "z=0 # at mid-span z=0\n", + "theta=10**(-8)*(1.95/mu*math.cosh(mu*z)-1.75*z**2+F)\n", + "print \"twist at mid-span = %1.3f rad = %1.2f degree\"%(theta,theta*180/math.pi)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "twist at mid-span = 0.108 rad = 6.20 degree\n" + ] + } + ], + "prompt_number": 13 + }, + { + "cell_type": "code", + "collapsed": false, + "input": [], + "language": "python", + "metadata": {}, + "outputs": [] + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit