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+{
+ "metadata": {
+  "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 10 : Elastic. Anelastic and Viscoelastic Behaviour"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 10.1, Page No 241"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "#initialisation of variables\n",
+      "n = 1.0\n",
+      "m = 9.0\n",
+      "A = 7.68e-29    # Constant having unit J m \n",
+      "r_0 = 2.5e-10   # bonding distance in m\n",
+      "\n",
+      "#Calculations\n",
+      "B = A*r_0**8.0/9\n",
+      "Y = (90*B/(r_0)**11-2*A/(r_0)**3)/r_0\n",
+      "\n",
+      "#Results\n",
+      "print(\"Young\u2019s modulus of material is %d GN m^-2\" %(Y/1e9))\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Young\u2019s modulus of material is 157 GN m^-2\n"
+       ]
+      }
+     ],
+     "prompt_number": 6
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 10.2, Page No 245"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "#initialisation of variables\n",
+      "Y_f = 440.0\n",
+      "Y_m = 71.0 \n",
+      "sigma_total= 100.0     # total load\n",
+      "\n",
+      "#Calculations\n",
+      "r = Y_f/Y_m\n",
+      "sigma_f = r*(sigma_total/0.7)/(1+r*3/7)\n",
+      "\n",
+      "#Results\n",
+      "print(\" Part A:\")\n",
+      "print(\" When load is applied parallel to fiber then, stress in fiber is %d MN m^-2\" %sigma_f)\n",
+      "\n",
+      "print(\" Part B:\")\n",
+      "print(\" When load is applied perpendicular to fiber then, stress in fiber and matrix is same i.e. %d MN m^-2\" %sigma_total)\n",
+      "\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " Part A:\n",
+        " When load is applied parallel to fiber then, stress in fiber is 242 MN m^-2\n",
+        " Part B:\n",
+        " When load is applied perpendicular to fiber then, stress in fiber and matrix is same i.e. 100 MN m^-2\n"
+       ]
+      }
+     ],
+     "prompt_number": 7
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 10.3, Page No 251"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "#initialisation of variables\n",
+      "t_r = 100.0   # relaxation time in s\n",
+      "d = 2.5       # distance in angstrom\n",
+      "\n",
+      "#Calculations\n",
+      "f = 1.0/t_r    # jump frequency\n",
+      "D = (d*1e-10)**2*f\n",
+      "\n",
+      "#Results\n",
+      "print(\"Diffusion coefficient is %.2e m^2 s^-1\" %D)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Diffusion coefficient is 6.25e-22 m^2 s^-1\n"
+       ]
+      }
+     ],
+     "prompt_number": 8
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
+\ No newline at end of file