diff options
Diffstat (limited to 'backup/Machine_Design_by_U.C._Jindal_version_backup/Ch12.ipynb')
| -rwxr-xr-x | backup/Machine_Design_by_U.C._Jindal_version_backup/Ch12.ipynb | 442 |
1 files changed, 442 insertions, 0 deletions
diff --git a/backup/Machine_Design_by_U.C._Jindal_version_backup/Ch12.ipynb b/backup/Machine_Design_by_U.C._Jindal_version_backup/Ch12.ipynb new file mode 100755 index 00000000..21de3f82 --- /dev/null +++ b/backup/Machine_Design_by_U.C._Jindal_version_backup/Ch12.ipynb @@ -0,0 +1,442 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:24bbadb74dcdce0a144766279891314e41406bba0c41d580bf7981786895ce30" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Ch:12 Welded joints" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 12-1 - Page 347" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "h=8#\n", + "F=100*10**3#\n", + "t=0.707*h#\n", + "A=4*60*t#\n", + "T=F/A#\n", + "print \"T is %0.1f MPa \"%(T)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "T is 73.7 MPa \n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 12-2 - Page 347" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "FOS=3#\n", + "Ta=95/FOS#\n", + "P=350*10**3#\n", + "h=12.5#\n", + "t=0.707*h#\n", + "l=P/(2*t*Ta)#\n", + "print \"l is %0.0f mm \"%(l)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "l is 639 mm \n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 12-3 - Page 348" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "h=12#\n", + "t=0.707*h#\n", + "l=60#\n", + "Ta=80#\n", + "P=2*l*t*Ta#\n", + "P=P*10**-3#\n", + "print \"P is %0.3f kN \"%(P)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "P is 81.446 kN \n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 12-4 - Page 348" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from math import sin, pi, cos, sqrt\n", + "P=6*10**3#\n", + "e=150+(100/2)#\n", + "T=P*e#\n", + "A=200#\n", + "Td=P/A#\n", + "r=sqrt(2*50**2)#\n", + "Ixx=2*(100*50**2)#\n", + "Iyy=2*100**3/12#\n", + "IG=Ixx+Iyy#\n", + "Ts=r*T/IG#\n", + "Tmax=sqrt((Ts*sin(45*pi/180))**2+(Td+(Ts*cos(45*pi/180)))**2)#\n", + "Ta=80#\n", + "t=Tmax/Ta#\n", + "h=sqrt(2)*t#\n", + "h=3#\n", + "print \"h is %0.0f mm \"%(h)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "h is 3 mm \n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 12-5 - Page 349" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "h=10#\n", + "t=10/sqrt(2)#\n", + "Ta=80#\n", + "x=((50*25)+(50*0))/(50+50)#\n", + "y=x#\n", + "ra=sqrt(x**2+37.5**2)#\n", + "Ixx=(7.07*50**3/12)+(50*7.07*(12.5**2))+(50*7.07*12.5**2)#\n", + "IG=2*Ixx#\n", + "e=100+(50-12.5)#\n", + "Tr=16.09*10**-3#\n", + "P=Ta/Tr#\n", + "P=P*10**-3#\n", + "print \"P is %0.3f KN \"%(P)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "P is 4.972 KN \n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 12-6 - Page 350" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "P=16*10**3#\n", + "l=300#\n", + "r=50#\n", + "M=P*l#\n", + "A=2*pi*r#\n", + "Ixx=pi*r**3#\n", + "sigb=M*r/Ixx#\n", + "Td=P/A#\n", + "Tmax=sqrt((sigb/2)**2+(Td**2))#\n", + "Ta=90#\n", + "t=Tmax/Ta#\n", + "h=sqrt(2)*t#\n", + "h=5#\n", + "print \"h is %0.0f mm \"%(h)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "h is 5 mm \n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 12-7 - Page 350" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "sigut=415#\n", + "sige=sigut/3#\n", + "Ka=0.5#\n", + "Kb=0.85#\n", + "Kc=0.897#\n", + "SCF=1.5#\n", + "Kd=1/SCF#\n", + "FOS=2#\n", + "sige1=sige*Ka*Kb*Kc*Kd/FOS#\n", + "Pa=50*10**3#\n", + "h=10#\n", + "t=0.707*h#\n", + "l=Pa/(2*sige1*t)#\n", + "print \"l is %0.0f mm \"%(l)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "l is 202 mm \n" + ] + } + ], + "prompt_number": 7 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 12-8 - Page 351" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "l=300#\n", + "P=30*10**3#\n", + "T=P/(2*l)#\n", + "Ta=124#\n", + "t1=T/Ta#\n", + "h1=sqrt(2)*t1#\n", + "M=P*l#\n", + "Ixx=2*100*110**2#\n", + "sigb=M/Ixx*110#\n", + "#Let the allowable bending stress is Tab\n", + "Tab=200#\n", + "t2=sigb/Tab#\n", + "h2=t2/0.707#\n", + "h2=3#\n", + "print \"h is %0.0f mm \"%(h2)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "h is 3 mm \n" + ] + } + ], + "prompt_number": 8 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 12-9 - Page 352" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "Ta=60#\n", + "l1=60#\n", + "l2=40#\n", + "P1=Ta*0.707*l1#\n", + "P2=Ta*0.707*l2#\n", + "P=80*10**3#\n", + "h=P/(P1+P2)#\n", + "h=20#\n", + "a=(P2*100)/(P1+P2)#\n", + "print \" h is %0.0f mm \"%(h)#\n", + "print \"\\n a is %0.0f mm \"%(a)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " h is 20 mm \n", + "\n", + " a is 40 mm \n" + ] + } + ], + "prompt_number": 9 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 12-10 - Page 352" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "P=300*10**3#\n", + "l=500#\n", + "A=2*l#\n", + "Td=P/A#\n", + "T=(350-250)*P#\n", + "IG=(l**3*2/12)+(l*2*5**2)#\n", + "r=sqrt(250**2+5**2)#\n", + "Ts=T*r/IG#\n", + "Ts=Ts+Td#\n", + "Ta=110#\n", + "t=Ts/Ta#\n", + "h=t/0.707#\n", + "h=9#\n", + "print \"h is %0.0f mm \"%(h)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "h is 9 mm \n" + ] + } + ], + "prompt_number": 10 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 12-11 - Page 353" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "t=30#\n", + "sigut=417#\n", + "sige=sigut/2#\n", + "Ka=0.5#\n", + "Kb=0.85#\n", + "Kc=0.897#\n", + "SCF=1.2#\n", + "Kd=1/SCF#\n", + "FOS=1.5#\n", + "sige1=sige*Ka*Kb*Kc*Kd/FOS#\n", + "Pa=60*10**3#\n", + "l=Pa/(sige1*t)#\n", + "print \"l is %0.1f mm \"%(l)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "l is 45.4 mm \n" + ] + } + ], + "prompt_number": 11 + } + ], + "metadata": {} + } + ] +}
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