From 41f1f72e9502f5c3de6ca16b303803dfcf1df594 Mon Sep 17 00:00:00 2001
From: Thomas Stephen Lee
Date: Fri, 4 Sep 2015 22:04:10 +0530
Subject: add/remove/update books

---
 .../Chapter06.ipynb                                | 112 ---------------------
 1 file changed, 112 deletions(-)
 delete mode 100755 Aircraft_Structures_for_Engineering_Students/Chapter06.ipynb

(limited to 'Aircraft_Structures_for_Engineering_Students/Chapter06.ipynb')

diff --git a/Aircraft_Structures_for_Engineering_Students/Chapter06.ipynb b/Aircraft_Structures_for_Engineering_Students/Chapter06.ipynb
deleted file mode 100755
index 5195a30b..00000000
--- a/Aircraft_Structures_for_Engineering_Students/Chapter06.ipynb
+++ /dev/null
@@ -1,112 +0,0 @@
-{
- "metadata": {
-  "name": "",
-  "signature": "sha256:902d8cc266f9fb597a0d00273b10ab788d226cbd969bb1e960b465c84a750eef"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
-  {
-   "cells": [
-    {
-     "cell_type": "heading",
-     "level": 1,
-     "metadata": {},
-     "source": [
-      "Chapter 06: Matrix methods"
-     ]
-    },
-    {
-     "cell_type": "heading",
-     "level": 2,
-     "metadata": {},
-     "source": [
-      "Example 6.4 Pg.No.205"
-     ]
-    },
-    {
-     "cell_type": "code",
-     "collapsed": false,
-     "input": [
-      "from __future__ import division\n",
-      "import math\n",
-      "import numpy as np\n",
-      "from sympy import solve, symbols, pprint\n",
-      "from sympy import diff\n",
-      "x,y=symbols('x,y')\n",
-      "\n",
-      "E=200000                #youngs modulus (N/mm^2)\n",
-      "nu=0.3                   #poissons ratio\n",
-      "u1=0.001\n",
-      "u2=0.003\n",
-      "u3=-0.003              #displacements of corners (m)\n",
-      "u4=0\n",
-      "v1=-0.004\n",
-      "v2=-0.002\n",
-      "v3=0.001\n",
-      "v4=0.001\n",
-      "\n",
-      "\n",
-      "a=np.array([[1,-2,-1,2],[1,2,-1,-2],[1,2,1,2],[1,-2,1,-2]])\n",
-      "b=np.array([u1,u2,u3,u4])\n",
-      "alpha=np.linalg.solve(a,b)\n",
-      "alpha1=alpha[0]\n",
-      "alpha2=alpha[1]\n",
-      "alpha3=alpha[2]\n",
-      "alpha4=alpha[3]\n",
-      "\n",
-      "a=np.array([[1,-2,-1,2],[1,2,-1,-2],[1,2,1,2],[1,-2,1,-2]])\n",
-      "b=np.array([v1,v2,v3,v4])\n",
-      "alpha=np.linalg.solve(a,b)\n",
-      "alpha5=alpha[0]\n",
-      "alpha6=alpha[1]\n",
-      "alpha7=alpha[2]\n",
-      "alpha8=alpha[3]\n",
-      "\n",
-      "u=alpha1+alpha2*x+alpha3*y+alpha4*x*y\n",
-      "v=alpha5+alpha6*x+alpha7*y+alpha8*x*y\n",
-      "\n",
-      "ex=diff(u,x)\n",
-      "ey=diff(v,y)\n",
-      "Yxy=diff(u,y)+diff(v,x)\n",
-      "\n",
-      "ex=-0.000125\n",
-      "ey=.002\n",
-      "Yxy=-0.0015\n",
-      "\n",
-      "sigma_x=E/(1-nu**2)*(ex+nu*ey)\n",
-      "sigma_y=E/(1-nu**2)*(ey+nu*ex)\n",
-      "print \"longitudinal stress in x direction = %3.1f N/mm^2\"%(sigma_x)\n",
-      "print \"longitudinal stress in y direction = %3.1f N/mm^2\"%(sigma_y)\n",
-      "\n",
-      "T_xy=E/2/(1+nu)*Yxy\n",
-      "print \"shear stress at the center of plate = %3.1f N/mm^2\"%(T_xy)"
-     ],
-     "language": "python",
-     "metadata": {},
-     "outputs": [
-      {
-       "output_type": "stream",
-       "stream": "stdout",
-       "text": [
-        "longitudinal stress in x direction = 104.4 N/mm^2\n",
-        "longitudinal stress in y direction = 431.3 N/mm^2\n",
-        "shear stress at the center of plate = -115.4 N/mm^2\n"
-       ]
-      }
-     ],
-     "prompt_number": 44
-    },
-    {
-     "cell_type": "code",
-     "collapsed": false,
-     "input": [],
-     "language": "python",
-     "metadata": {},
-     "outputs": []
-    }
-   ],
-   "metadata": {}
-  }
- ]
-}
\ No newline at end of file
-- 
cgit