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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 7: MECHANICAL PROPERTIES"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 7.3: Find_various_Modulous_of_elasticity.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Find various Modulous of elasticity\n",
+"//Ex7.3\n",
+"clear;\n",
+"close;\n",
+"a1=222*10^9;//in N\n",
+"a2=168*10^9;//in N\n",
+"e1=1.90;//in sqm\n",
+"e2=1.42;//in sqm\n",
+"da=a1-a2;//in N\n",
+"de=e1-e2;//in sqm\n",
+"e_tan=da/de;\n",
+"e_tann=e_tan*10^-9;//in Gpa\n",
+"disp(e_tann,'Tangent Modulous of elasticity (in Gpa) = ');\n",
+"a3=180*10^9;//in N\n",
+"e3=1.46;//in sqm\n",
+"e_sec=10^-9*a3/e3;//in Gpa\n",
+"disp(e_sec,'Secant modulous of elasticity (in Gpa) = ');\n",
+"a=85*10^6;\n",
+"e=.68*10^-3;\n",
+"e_y=10^-9*a/e;//in Gpa\n",
+"disp(e_y,'Youngs modulous (in Gpa) = ');"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 7.5: Find_stress.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Find Stress\n",
+"//Ex:7.5\n",
+"clc;\n",
+"clear;\n",
+"close;\n",
+"n=3;\n",
+"a=300;\n",
+"v_cr=2.8*10^-8;// in cm/cm/hour creep rate\n",
+"x=log(v_cr)-n*log(a);\n",
+"a1=exp(x);\n",
+"t=365*24;//in hours\n",
+"e=2*10^6;//kgf/sqcm\n",
+"ai=750;//in kgf/sqcm\n",
+"a_tf=sqrt(1/((1/ai^(n-1))+(a1*e*(n-1)*t)));\n",
+"disp(a_tf,'Stress Remaining (in kgf/sq cm) = ');"
+   ]
+   }
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}