From db54a9c91f13d85ebf57db5ac1345ab05460e2ca Mon Sep 17 00:00:00 2001 From: Trupti Kini Date: Mon, 3 Oct 2016 23:30:50 +0600 Subject: Added(A)/Deleted(D) following books A f_by_df/abhishek.ipynb A f_by_df/abhishek_1.ipynb A f_by_df/screenshots/anshul.png A f_by_df/screenshots/blank1.png A f_by_df/screenshots/blog.png A f_by_df/screenshots/sai.png A f_by_df/screenshots/snippet1.png A f_by_df/screenshots/srinivas.png A hfgd_by_Gayakwad/README.txt A hfgd_by_Gayakwad/abhishek.ipynb A hfgd_by_Gayakwad/screenshots/anshul.png A hfgd_by_Gayakwad/screenshots/anshul_1.png A hfgd_by_Gayakwad/screenshots/anshul_2.png A rewrew_by_J._B._Gupta/README.txt A rewrew_by_J._B._Gupta/aviral.ipynb A rewrew_by_J._B._Gupta/screenshots/array_factor.png A rewrew_by_J._B._Gupta/screenshots/book.png A rewrew_by_J._B._Gupta/screenshots/error.png A sample_notebooks/JeevanLal/aditya.ipynb --- f_by_df/abhishek.ipynb | 112 +++++++++ f_by_df/abhishek_1.ipynb | 112 +++++++++ f_by_df/screenshots/anshul.png | Bin 0 -> 75019 bytes f_by_df/screenshots/blank1.png | 0 f_by_df/screenshots/blog.png | Bin 0 -> 163202 bytes f_by_df/screenshots/sai.png | Bin 0 -> 175362 bytes f_by_df/screenshots/snippet1.png | Bin 0 -> 98375 bytes f_by_df/screenshots/srinivas.png | Bin 0 -> 158914 bytes hfgd_by_Gayakwad/README.txt | 10 + hfgd_by_Gayakwad/abhishek.ipynb | 112 +++++++++ hfgd_by_Gayakwad/screenshots/anshul.png | Bin 0 -> 75019 bytes hfgd_by_Gayakwad/screenshots/anshul_1.png | Bin 0 -> 75019 bytes hfgd_by_Gayakwad/screenshots/anshul_2.png | Bin 0 -> 75019 bytes rewrew_by_J._B._Gupta/README.txt | 10 + rewrew_by_J._B._Gupta/aviral.ipynb | 146 +++++++++++ rewrew_by_J._B._Gupta/screenshots/array_factor.png | Bin 0 -> 24790 bytes rewrew_by_J._B._Gupta/screenshots/book.png | Bin 0 -> 139678 bytes rewrew_by_J._B._Gupta/screenshots/error.png | Bin 0 -> 163496 bytes sample_notebooks/JeevanLal/aditya.ipynb | 279 +++++++++++++++++++++ 19 files changed, 781 insertions(+) create mode 100644 f_by_df/abhishek.ipynb create mode 100644 f_by_df/abhishek_1.ipynb create mode 100644 f_by_df/screenshots/anshul.png create mode 100644 f_by_df/screenshots/blank1.png create mode 100644 f_by_df/screenshots/blog.png create mode 100644 f_by_df/screenshots/sai.png create mode 100644 f_by_df/screenshots/snippet1.png create mode 100644 f_by_df/screenshots/srinivas.png create mode 100644 hfgd_by_Gayakwad/README.txt create mode 100644 hfgd_by_Gayakwad/abhishek.ipynb create mode 100644 hfgd_by_Gayakwad/screenshots/anshul.png create mode 100644 hfgd_by_Gayakwad/screenshots/anshul_1.png create mode 100644 hfgd_by_Gayakwad/screenshots/anshul_2.png create mode 100644 rewrew_by_J._B._Gupta/README.txt create mode 100644 rewrew_by_J._B._Gupta/aviral.ipynb create mode 100644 rewrew_by_J._B._Gupta/screenshots/array_factor.png create mode 100644 rewrew_by_J._B._Gupta/screenshots/book.png create mode 100644 rewrew_by_J._B._Gupta/screenshots/error.png create mode 100644 sample_notebooks/JeevanLal/aditya.ipynb diff --git a/f_by_df/abhishek.ipynb b/f_by_df/abhishek.ipynb new file mode 100644 index 00000000..3f7271ea --- /dev/null +++ b/f_by_df/abhishek.ipynb @@ -0,0 +1,112 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:cda4775b9259e49c042e3120b0a25eb239766f3373696622080f812fe1f53fa9" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 01:Introduction" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex1.1:pg-20" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Given Data\n", + "d_r = 13640 # Density of mercury in kg/m^3\n", + "g = 9.79 # Acceleration due to gravity in m/s^2\n", + "z = 562e-03 # Difference in height in m\n", + "z0 = 761e-03 # Reading of barometer in m\n", + "P = (d_r*g*(z+z0))*(0.987/1e05) # Gas Pressure in atm\n", + "\n", + "print \"\\n Example 1.1\\n\"\n", + "print \"\\n Gas Pressure is \",round(P,2),\" atm\"\n", + "#The answers vary due to round off error\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + " Example 1.1\n", + "\n", + "\n", + " Gas Pressure is 1.74 atm\n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex1.2:pg-21" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#Given Data\n", + "d_r = 13.6e03 # Density of mercury in kg/m^3\n", + "g = 9.81 # Acceleration due to gravity in m/s^2\n", + "z = 710e-03 # Steam flow pressure in m\n", + "z0 = 772e-03 # Reading of barometer in m\n", + "P = 1.4e06 # Gauge pressure of applied steam in Pa\n", + "P0 = d_r*g*z0 # Atmospheric pressure in Pa\n", + "Pi = P+P0 # Inlet steam pressure in Pa\n", + "Pc = d_r*g*(z0-z) # Condenser pressure in Pa\n", + "\n", + "print \"\\n Example 1.2\\n\"\n", + "print \"\\n Inlet steam pressure is\",round(Pi/1e6,2),\" MPa\"\n", + "print \"\\n Condenser pressure is\",round(Pc/1e3,2),\" kPa\"\n", + "#The answers vary due to round off error\n", + "\n", + "\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + " Example 1.2\n", + "\n", + "\n", + " Inlet steam pressure is 1.5 MPa\n", + "\n", + " Condenser pressure is 8.27 kPa\n" + ] + } + ], + "prompt_number": 5 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file diff --git a/f_by_df/abhishek_1.ipynb b/f_by_df/abhishek_1.ipynb new file mode 100644 index 00000000..3f7271ea --- /dev/null +++ b/f_by_df/abhishek_1.ipynb @@ -0,0 +1,112 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:cda4775b9259e49c042e3120b0a25eb239766f3373696622080f812fe1f53fa9" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 01:Introduction" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex1.1:pg-20" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Given Data\n", + "d_r = 13640 # Density of mercury in kg/m^3\n", + "g = 9.79 # Acceleration due to gravity in m/s^2\n", + "z = 562e-03 # Difference in height in m\n", + "z0 = 761e-03 # Reading of barometer in m\n", + "P = (d_r*g*(z+z0))*(0.987/1e05) # Gas Pressure in atm\n", + "\n", + "print \"\\n Example 1.1\\n\"\n", + "print \"\\n Gas Pressure is \",round(P,2),\" atm\"\n", + "#The answers vary due to round off error\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + " Example 1.1\n", + "\n", + "\n", + " Gas Pressure is 1.74 atm\n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex1.2:pg-21" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#Given Data\n", + "d_r = 13.6e03 # Density of mercury in kg/m^3\n", + "g = 9.81 # Acceleration due to gravity in m/s^2\n", + "z = 710e-03 # Steam flow pressure in m\n", + "z0 = 772e-03 # Reading of barometer in m\n", + "P = 1.4e06 # Gauge pressure of applied steam in Pa\n", + "P0 = d_r*g*z0 # Atmospheric pressure in Pa\n", + "Pi = P+P0 # Inlet steam pressure in Pa\n", + "Pc = d_r*g*(z0-z) # Condenser pressure in Pa\n", + "\n", + "print \"\\n Example 1.2\\n\"\n", + "print \"\\n Inlet steam pressure is\",round(Pi/1e6,2),\" MPa\"\n", + "print \"\\n Condenser pressure is\",round(Pc/1e3,2),\" kPa\"\n", + "#The answers vary due to round off error\n", + "\n", + "\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + " Example 1.2\n", + "\n", + "\n", + " Inlet steam pressure is 1.5 MPa\n", + "\n", + " Condenser pressure is 8.27 kPa\n" + ] + } + ], + "prompt_number": 5 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file diff --git a/f_by_df/screenshots/anshul.png b/f_by_df/screenshots/anshul.png new file mode 100644 index 00000000..a8cec645 Binary files /dev/null and b/f_by_df/screenshots/anshul.png differ diff --git a/f_by_df/screenshots/blank1.png b/f_by_df/screenshots/blank1.png new file mode 100644 index 00000000..e69de29b diff --git a/f_by_df/screenshots/blog.png b/f_by_df/screenshots/blog.png new file mode 100644 index 00000000..57995442 Binary files /dev/null and b/f_by_df/screenshots/blog.png differ diff --git a/f_by_df/screenshots/sai.png b/f_by_df/screenshots/sai.png new file mode 100644 index 00000000..744dca5f Binary files /dev/null and b/f_by_df/screenshots/sai.png differ diff --git a/f_by_df/screenshots/snippet1.png b/f_by_df/screenshots/snippet1.png new file mode 100644 index 00000000..3dc79b8d Binary files /dev/null and b/f_by_df/screenshots/snippet1.png differ diff --git a/f_by_df/screenshots/srinivas.png b/f_by_df/screenshots/srinivas.png new file mode 100644 index 00000000..e947b0fb Binary files /dev/null and b/f_by_df/screenshots/srinivas.png differ diff --git a/hfgd_by_Gayakwad/README.txt b/hfgd_by_Gayakwad/README.txt new file mode 100644 index 00000000..55aba71c --- /dev/null +++ b/hfgd_by_Gayakwad/README.txt @@ -0,0 +1,10 @@ +Contributed By: Jeevan Lal +Course: me +College/Institute/Organization: MPBtech. ECE, 6th SemVNIT Nagpur +Department/Designation: MPBtech. ECE, 6th SemVNIT Nagpur +Book Title: hfgd +Author: Gayakwad +Publisher: sdf +Year of publication: 2001 +Isbn: 444 +Edition: 9 \ No newline at end of file diff --git a/hfgd_by_Gayakwad/abhishek.ipynb b/hfgd_by_Gayakwad/abhishek.ipynb new file mode 100644 index 00000000..3f7271ea --- /dev/null +++ b/hfgd_by_Gayakwad/abhishek.ipynb @@ -0,0 +1,112 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:cda4775b9259e49c042e3120b0a25eb239766f3373696622080f812fe1f53fa9" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 01:Introduction" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex1.1:pg-20" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Given Data\n", + "d_r = 13640 # Density of mercury in kg/m^3\n", + "g = 9.79 # Acceleration due to gravity in m/s^2\n", + "z = 562e-03 # Difference in height in m\n", + "z0 = 761e-03 # Reading of barometer in m\n", + "P = (d_r*g*(z+z0))*(0.987/1e05) # Gas Pressure in atm\n", + "\n", + "print \"\\n Example 1.1\\n\"\n", + "print \"\\n Gas Pressure is \",round(P,2),\" atm\"\n", + "#The answers vary due to round off error\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + " Example 1.1\n", + "\n", + "\n", + " Gas Pressure is 1.74 atm\n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex1.2:pg-21" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#Given Data\n", + "d_r = 13.6e03 # Density of mercury in kg/m^3\n", + "g = 9.81 # Acceleration due to gravity in m/s^2\n", + "z = 710e-03 # Steam flow pressure in m\n", + "z0 = 772e-03 # Reading of barometer in m\n", + "P = 1.4e06 # Gauge pressure of applied steam in Pa\n", + "P0 = d_r*g*z0 # Atmospheric pressure in Pa\n", + "Pi = P+P0 # Inlet steam pressure in Pa\n", + "Pc = d_r*g*(z0-z) # Condenser pressure in Pa\n", + "\n", + "print \"\\n Example 1.2\\n\"\n", + "print \"\\n Inlet steam pressure is\",round(Pi/1e6,2),\" MPa\"\n", + "print \"\\n Condenser pressure is\",round(Pc/1e3,2),\" kPa\"\n", + "#The answers vary due to round off error\n", + "\n", + "\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + " Example 1.2\n", + "\n", + "\n", + " Inlet steam pressure is 1.5 MPa\n", + "\n", + " Condenser pressure is 8.27 kPa\n" + ] + } + ], + "prompt_number": 5 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file diff --git a/hfgd_by_Gayakwad/screenshots/anshul.png b/hfgd_by_Gayakwad/screenshots/anshul.png new file mode 100644 index 00000000..a8cec645 Binary files /dev/null and b/hfgd_by_Gayakwad/screenshots/anshul.png differ diff --git a/hfgd_by_Gayakwad/screenshots/anshul_1.png b/hfgd_by_Gayakwad/screenshots/anshul_1.png new file mode 100644 index 00000000..a8cec645 Binary files /dev/null and b/hfgd_by_Gayakwad/screenshots/anshul_1.png differ diff --git a/hfgd_by_Gayakwad/screenshots/anshul_2.png b/hfgd_by_Gayakwad/screenshots/anshul_2.png new file mode 100644 index 00000000..a8cec645 Binary files /dev/null and b/hfgd_by_Gayakwad/screenshots/anshul_2.png differ diff --git a/rewrew_by_J._B._Gupta/README.txt b/rewrew_by_J._B._Gupta/README.txt new file mode 100644 index 00000000..897785b9 --- /dev/null +++ b/rewrew_by_J._B._Gupta/README.txt @@ -0,0 +1,10 @@ +Contributed By: Jeevan Lal +Course: me +College/Institute/Organization: MPBtech. ECE, 6th SemVNIT Nagpur +Department/Designation: MPBtech. ECE, 6th SemVNIT Nagpur +Book Title: rewrew +Author: J. B. Gupta +Publisher: sdf +Year of publication: 1 +Isbn: 2 +Edition: 9 \ No newline at end of file diff --git a/rewrew_by_J._B._Gupta/aviral.ipynb b/rewrew_by_J._B._Gupta/aviral.ipynb new file mode 100644 index 00000000..5780e6b5 --- /dev/null +++ b/rewrew_by_J._B._Gupta/aviral.ipynb @@ -0,0 +1,146 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 5:INTRODUCTION TO THERMAL POWER PLANT" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex5.1:pg-271" + ] + }, + { + "cell_type": "code", + "execution_count": 4, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "\n", + "The coal required per hour,W= 50.95 tons/hr\n" + ] + } + ], + "source": [ + "# Example 5_1\n", + " \n", + "# Given data\n", + "P=100.0;# Plant capacity in Mw\n", + "CV=25600.0;# Calorific value in kJ/kg\n", + "n_th=30.0;# The thermal efficiency of the plant in %\n", + "n_eg=92.0;# Electrical generation efficiency in %\n", + "\n", + "# Calculation\n", + "# Mechanical energy available=W*CV*(n_th/100) in kJ/hr\n", + "# Electrical energy available=W*CV*(n_th/100)*(n_eg/100) in kJ/hr\n", + "q_e=P*10**3*3600;# Heat equivalent in kJ/hr\n", + "W=(q_e/(CV*(n_th/100)*(n_eg/100)));# The coal required per hour in kg/hr\n", + "W=(W/1000);# The coal required per hour in tons/hr\n", + "print \"\\nThe coal required per hour,W=\",round(W,2),\" tons/hr\"\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex5.2:pg-273" + ] + }, + { + "cell_type": "code", + "execution_count": 5, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "\n", + " The capacity of the power plant,P= 62.05 MW\n" + ] + } + ], + "source": [ + "# Example 5_2\n", + " \n", + "# Given data\n", + "CV=28900.0;#kJ/kg\n", + "n_b=83.0;# The boiler efficiency in %\n", + "n_t=32.0;# The turbine efficiency in %\n", + "n_g=97.0;# The generator efficiency in %\n", + "W=30.0;# The coal consumption of the station in tons/hr\n", + "\n", + "# Calculation\n", + "P=((W*1000*CV)*(n_b/100)*(n_t/100)*(n_g/100))/(3600*1000);# The capacity of the power plant in MW\n", + "print \"\\n The capacity of the power plant,P=\",round(P,2),\" MW\"\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex5.3:pg-273" + ] + }, + { + "cell_type": "code", + "execution_count": 8, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The volume of gas required per hour,V= 450.0 m**3/hr\n" + ] + } + ], + "source": [ + "#Example 5_3\n", + "\n", + "# Given values\n", + "P=100.0;# Power in kW\n", + "CV=4000.0;# Calorific value in kJ/m**3\n", + "n_o=0.20;# Over all efficiency of the plant\n", + "\n", + "# Calculation\n", + "V=(3600*P)/(CV*n_o);# m**3/hr\n", + "print \"The volume of gas required per hour,V=\",round(V,2),\" m**3/hr\"\n" + ] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Python 2", + "language": "python", + "name": "python2" + }, + "language_info": { + "codemirror_mode": { + "name": "ipython", + "version": 2 + }, + "file_extension": ".py", + "mimetype": "text/x-python", + "name": "python", + "nbconvert_exporter": "python", + "pygments_lexer": "ipython2", + "version": "2.7.11" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} diff --git a/rewrew_by_J._B._Gupta/screenshots/array_factor.png b/rewrew_by_J._B._Gupta/screenshots/array_factor.png new file mode 100644 index 00000000..9e294010 Binary files /dev/null and b/rewrew_by_J._B._Gupta/screenshots/array_factor.png differ diff --git a/rewrew_by_J._B._Gupta/screenshots/book.png b/rewrew_by_J._B._Gupta/screenshots/book.png new file mode 100644 index 00000000..824a4542 Binary files /dev/null and b/rewrew_by_J._B._Gupta/screenshots/book.png differ diff --git a/rewrew_by_J._B._Gupta/screenshots/error.png b/rewrew_by_J._B._Gupta/screenshots/error.png new file mode 100644 index 00000000..04a3d5f0 Binary files /dev/null and b/rewrew_by_J._B._Gupta/screenshots/error.png differ diff --git a/sample_notebooks/JeevanLal/aditya.ipynb b/sample_notebooks/JeevanLal/aditya.ipynb new file mode 100644 index 00000000..a77ec491 --- /dev/null +++ b/sample_notebooks/JeevanLal/aditya.ipynb @@ -0,0 +1,279 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 5 General Case of Forces in a plane" + ] + }, + { + "cell_type": "markdown", + "metadata": { + "collapsed": true + }, + "source": [ + "# Example 5.2 Equations of equilibrium" + ] + }, + { + "cell_type": "code", + "execution_count": 7, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "('The reaction at P is', 5656.85424949238, 'N')\n", + "('The reaction at Q is ', 4000.0, 'N')\n" + ] + } + ], + "source": [ + "import math\n", + "\n", + "#Initialization of Variables\n", + "W=2000 #N\n", + "Lab=2 #m #length of the member from the vertical to the 1st load of 2000 N\n", + "Lac=5 #m #length of the member from the vertical to the 2nd load of 2000 N\n", + "Lpq=3.5 #m\n", + "\n", + "#Calculations\n", + "Rq=((W*Lab)+(W*Lac))/Lpq #N #take moment abt. pt P\n", + "Xp=Rq #N #sum Fx=0\n", + "Yp=2*W #N #sum Fy=0\n", + "Rp=math.sqrt(Xp**2+Yp**2) #N\n", + "\n", + "#Resuts\n", + "print('The reaction at P is' ,Rp ,'N')\n", + "print('The reaction at Q is ',Rq ,'N')" + ] + }, + { + "cell_type": "markdown", + "metadata": { + "collapsed": true + }, + "source": [ + "# Example 5.3 Equations of equilibrium" + ] + }, + { + "cell_type": "code", + "execution_count": 6, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "('The reaction at A i.e Ra is ', matrix([[ 120.27406887]]), 'N')\n", + "('The reaction at B i.e Rb is ', matrix([[ 35.13703443]]), 'N')\n", + "('The required tension in the string is ', matrix([[ 40.57275258]]), 'N')\n" + ] + } + ], + "source": [ + "import math,numpy\n", + "#Initilization of vaiables\n", + "W=25 #N # self weight of the ladder\n", + "M=75 #N # weight of the man standing o the ladder\n", + "theta=63.43 #degree # angle which the ladder makes with the horizontal\n", + "alpha=30 #degree # angle made by the string with the horizontal\n", + "Loa=2 #m # spacing between the wall and the ladder\n", + "Lob=4 #m #length from the horizontal to the top of the ladder touching the wall(vertical)\n", + "\n", + "#Calculations\n", + "#Using matrix to solve the simultaneous eqn's 3 & 4\n", + "A=numpy.matrix('2 -4; 1 -0.577')\n", + "B=numpy.matrix('100;100')\n", + "C=numpy.linalg.inv(A)*B\n", + "\n", + "#Results\n", + "print('The reaction at A i.e Ra is ',C[0] ,'N')\n", + "print('The reaction at B i.e Rb is ',C[1] ,'N')\n", + "\n", + "#Calculations\n", + "T=C[1]/math.cos(math.radians(alpha)) #N # from (eqn 1)\n", + "\n", + "#Results\n", + "print('The required tension in the string is ',T, 'N')" + ] + }, + { + "cell_type": "markdown", + "metadata": { + "collapsed": true + }, + "source": [ + "# Example 5.4 Equations of Equilibrium" + ] + }, + { + "cell_type": "code", + "execution_count": 4, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "('The reaction at B i.e Rb is ', 25.0, 'N')\n", + "('The horizontal reaction at A i.e Xa is ', 21.650635094610966, 'N')\n", + "('The vertical reaction at A i.e Ya is ', 112.5, 'N')\n" + ] + } + ], + "source": [ + "import math\n", + "#Initilization of variables\n", + "W=100 #N\n", + "theta=60 #degree angle made by the ladder with the horizontal\n", + "alpha=30 #degree angle made by the ladder with the vertical wall\n", + "Lob=4 #m length from the horizontal to the top of the ladder touching the wall(vertical)\n", + "Lcd=2 #m length from the horizontal to the centre of the ladder where the man stands\n", + "\n", + "#Calculations\n", + "Lab=Lob*(1/math.cos(math.radians(alpha))) #m length of the ladder\n", + "Lad=Lcd*math.tan(math.radians(alpha)) #m\n", + "Rb=(W*Lad)/Lab #N take moment at A\n", + "Xa=Rb*math.sin(math.radians(theta)) #N From eq'n 1\n", + "Ya=W+Rb*math.cos(math.radians(theta)) #N From eq'n 2\n", + "\n", + "#Results\n", + "print('The reaction at B i.e Rb is ',Rb, 'N')\n", + "print('The horizontal reaction at A i.e Xa is ',Xa, 'N')\n", + "print('The vertical reaction at A i.e Ya is ',Ya,'N')\n" + ] + }, + { + "cell_type": "markdown", + "metadata": { + "collapsed": true + }, + "source": [ + "# Example 5.5 Equations of Equilibrium" + ] + }, + { + "cell_type": "code", + "execution_count": 3, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "('The horizontal reaction at A i.e Xa is ', 28.867513459481287, 'N')\n", + "('The vertical reaction at A i.e Ya is ', 100, 'N')\n", + "('The reaction at B i.e Rb is ', 28.867513459481287, 'N')\n" + ] + } + ], + "source": [ + "import math\n", + "#Initilization of variables\n", + "W=100 #N self weight of the man\n", + "alpha=30 #degree angle made by the ladder with the wall\n", + "Lob=4 #m length from the horizontal to the top of the ladder touching the wall(vertical)\n", + "Lcd=2 #m\n", + "\n", + "#Calculations\n", + "# using the equiblirium equations\n", + "Ya=W #N From eq'n 2\n", + "Lad=Lcd*math.tan(math.radians(alpha)) #m Lad is the distance fom pt A to the point where the line from the cg intersects the horizontal\n", + "Rb=(W*Lad)/Lob #N Taking sum of moment abt A\n", + "Xa=Rb #N From eq'n 1\n", + "\n", + "#Results\n", + "print('The horizontal reaction at A i.e Xa is ',Xa, 'N')\n", + "print('The vertical reaction at A i.e Ya is ',Ya,'N' )\n", + "print('The reaction at B i.e Rb is ',Rb ,'N')\n" + ] + }, + { + "cell_type": "markdown", + "metadata": { + "collapsed": true + }, + "source": [ + "# Example 5.6 Equations of Equilibrium" + ] + }, + { + "cell_type": "code", + "execution_count": 2, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "('The horizontal reaction at A i.e Xa is ', 3.84, 'N')\n", + "('The vertical reaction at A i.e Ya is ', 7.12, 'N')\n", + "('Therefore the reaction at A i.e Ra is ', 8.089499366462674, 'N')\n", + "('The reaction at D i.e Rd is ', 4.8, 'N')\n" + ] + } + ], + "source": [ + "import math\n", + "#Initilization of variables\n", + "d=0.09 #m diametre of the right circular cylinder\n", + "h=0.12 #m height of the cyinder\n", + "W=10 #N self weight of the bar\n", + "l=0.24 #m length of the bar\n", + "\n", + "#Calculations\n", + "theta=math.degrees(math.atan(h/d)) #angle which the bar makes with the horizontal\n", + "Lad=math.sqrt(d**2+h**2) #m Lad is the length of the bar from point A to point B\n", + "Rd=(W*h*(math.cos(theta*math.pi/180)))/Lad #N Taking moment at A\n", + "Xa=Rd*(math.sin(theta*math.pi/180)) #N sum Fx=0.... From eq'n 1\n", + "Ya=W-(Rd*(math.cos(theta*math.pi/180))) #N sum Fy=0..... From eq'n 2\n", + "Ra=math.sqrt(Xa**2+Ya**2) #resultant of Xa & Ya\n", + "\n", + "#Results\n", + "print('The horizontal reaction at A i.e Xa is ',Xa, 'N')\n", + "print('The vertical reaction at A i.e Ya is ',Ya, 'N')\n", + "print('Therefore the reaction at A i.e Ra is ',Ra,'N')\n", + "print('The reaction at D i.e Rd is ',Rd,'N')" + ] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Python [Root]", + "language": "python", + "name": "Python [Root]" + }, + "language_info": { + "codemirror_mode": { + "name": "ipython", + "version": 2 + }, + "file_extension": ".py", + "mimetype": "text/x-python", + "name": "python", + "nbconvert_exporter": "python", + "pygments_lexer": "ipython2", + "version": "2.7.12" + }, + "widgets": { + "state": {}, + "version": "1.1.2" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} -- cgit