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author | kinitrupti | 2017-05-12 18:40:35 +0530 |
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committer | kinitrupti | 2017-05-12 18:40:35 +0530 |
commit | 64d949698432e05f2a372d9edc859c5b9df1f438 (patch) | |
tree | 012fd5b4ac9102cdcf5bc56305e49d6714fa5951 /Machine_Design_by_U.C._Jindal/Ch7.ipynb | |
parent | 9c6ab8cbf3e1a84c780386abf4852d84cdd32d56 (diff) | |
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Revised list of TBCs
Diffstat (limited to 'Machine_Design_by_U.C._Jindal/Ch7.ipynb')
-rwxr-xr-x | Machine_Design_by_U.C._Jindal/Ch7.ipynb | 303 |
1 files changed, 0 insertions, 303 deletions
diff --git a/Machine_Design_by_U.C._Jindal/Ch7.ipynb b/Machine_Design_by_U.C._Jindal/Ch7.ipynb deleted file mode 100755 index 3a83b942..00000000 --- a/Machine_Design_by_U.C._Jindal/Ch7.ipynb +++ /dev/null @@ -1,303 +0,0 @@ -{ - "metadata": { - "name": "", - "signature": "sha256:f63edcd22a3bf57c69f1f76aca0a01ff1dd288f9c7a8d1b01585ac7b29af9fbe" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "Ch:7 Struts and Columns" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "exa 7-1 - Page 192" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "from math import pi\n", - "sigc=550#\n", - "FOS=4#\n", - "sigw=sigc/FOS#\n", - "l=4000#\n", - "le=l/2#\n", - "A=pi*(1-0.7**2)/4#\n", - "K=(1+0.7**2)/16#\n", - "Pr=800*10**3#\n", - "a=1/1600#\n", - "D=130# #Rounding off to nearest whole number\n", - "d=D*0.7#\n", - "print \"D is %0.1f mm \"%(D)#\n", - "print \"\\nd is %0.1f mm \"%(d)#" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "D is 130.0 mm \n", - "\n", - "d is 91.0 mm \n" - ] - } - ], - "prompt_number": 1 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "exa 7-2 - Page 192" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "from math import sqrt\n", - "l=500#\n", - "E=70*10**3#\n", - "P=20*10**3#\n", - "FOS=2#\n", - "d=P*2*12*4*l**2/((pi)**2*E)#\n", - "d=(sqrt(8)*d)**0.25#\n", - "b=d/sqrt(8)#\n", - "print \"d is %0.2f mm \"%(d)#\n", - "print \"\\nb is %0.2f mm \"%(b)#" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "d is 37.44 mm \n", - "\n", - "b is 13.24 mm \n" - ] - } - ], - "prompt_number": 2 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "exa 7-3 - Page193" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "Ixx=(2*1696.6)+115.4#\n", - "Iyy=1696.6+(2*115.4)+(2*25.27*10.27**2)#\n", - "A=3*25.27#\n", - "Kmin=sqrt(Ixx/75.81)#\n", - "L=600#\n", - "k=L/Kmin#\n", - "sigc=110#\n", - "c=1/200#\n", - "sigw=sigc*(1-(c*k))#\n", - "Pw=sigw*A#\n", - "a=1/7500#\n", - "sigc1=320#\n", - "Pr=(sigc1*A)/(1+(a*(L/Kmin)**2))#\n", - "FOS=Pr/Pw#\n", - "print \"FOS is %0.2f \"%(FOS)#" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "FOS is 2.91 \n" - ] - } - ], - "prompt_number": 3 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "exa 7-4 - Page 194" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "Iyy=193.4+(2*1.2*1.5**3/12)#\n", - "E=200*10**3#\n", - "l=500#\n", - "Pe=(pi**2)*E*Iyy*10**5/(l**2)#\n", - "A=35.53+(2*1.2*15)#\n", - "sige=Pe/7530#\n", - "k=sqrt(Iyy/A)#\n", - "xc=75#\n", - "sig=80#\n", - "sigo=20.875#\n", - "A=A*100#\n", - "P=sigo*A#\n", - "P=P*10**-3#\n", - "print \"P is %0.1f kN \"%(P)#\n", - " \n", - " #The difference in the value of P is due to rounding-off the digits." - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "P is 149.3 kN \n" - ] - } - ], - "prompt_number": 4 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "exa 7-5 - Page 195" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "sigc=330#\n", - "a=1/7500#\n", - "t=4#\n", - "A=14.5*t**2#\n", - "l=300#\n", - "Kx=sqrt(1.4626*t**2)#\n", - "Pr=sigc*A/(1+(a*(l/Kx)**2))#\n", - "FOS=2#\n", - "P=Pr/FOS*10**-3#\n", - "print \"P is %0.4f KN \"%(P)#" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "P is 38.2800 KN \n" - ] - } - ], - "prompt_number": 5 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "exa 7-6 - Page 195" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "P=1500#\n", - "FOS=2#\n", - "Pd=FOS*P#\n", - "l=280#\n", - "E=207*10**3#\n", - "I=Pd*l**2/(pi**2*E)#\n", - "D=(64*I/(pi*(1-0.8**4)))**(1/4)#\n", - "D=8#\n", - "d=6.4#\n", - "print \"D is %0.1f mm \"%(D)#\n", - "print \"\\nd is %0.1f mm \"%(d)#" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "D is 8.0 mm \n", - "\n", - "d is 6.4 mm \n" - ] - } - ], - "prompt_number": 6 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "exa 7-7 - Page 196" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "D=500#\n", - "p=0.3#\n", - "E=208*10**3#\n", - "sigc=320#\n", - "a=1/7500#\n", - "l=2000#\n", - "le=l/2#\n", - "W=pi*D**2*p/4#\n", - "FOS=4#\n", - "Wd=W*FOS#\n", - "I=Wd*l**2/(pi**2*E)#\n", - "d=(64*I/pi)**(1/4)#\n", - "A=pi*d**2/4#\n", - "k=d/4#\n", - "d=45# #Rounding off to nearest whole number\n", - "print \"d is %0.1f mm \"%(d)#" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "d is 45.0 mm \n" - ] - } - ], - "prompt_number": 7 - } - ], - "metadata": {} - } - ] -}
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