summaryrefslogtreecommitdiff
path: root/Machine_Design_by_U.C._Jindal/Ch12_1.ipynb
diff options
context:
space:
mode:
Diffstat (limited to 'Machine_Design_by_U.C._Jindal/Ch12_1.ipynb')
-rw-r--r--Machine_Design_by_U.C._Jindal/Ch12_1.ipynb444
1 files changed, 444 insertions, 0 deletions
diff --git a/Machine_Design_by_U.C._Jindal/Ch12_1.ipynb b/Machine_Design_by_U.C._Jindal/Ch12_1.ipynb
new file mode 100644
index 00000000..01177ff1
--- /dev/null
+++ b/Machine_Design_by_U.C._Jindal/Ch12_1.ipynb
@@ -0,0 +1,444 @@
+{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Ch:12 Welded joints"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 12-1 - Page 347"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 1,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "T is 73.7 MPa \n"
+ ]
+ }
+ ],
+ "source": [
+ "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)#"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 12-2 - Page 347"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 2,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "l is 639 mm \n"
+ ]
+ }
+ ],
+ "source": [
+ "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)#"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 12-3 - Page 348"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 3,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "P is 81.446 kN \n"
+ ]
+ }
+ ],
+ "source": [
+ "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)#"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 12-4 - Page 348"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 4,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "h is 3 mm \n"
+ ]
+ }
+ ],
+ "source": [
+ "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)#"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 12-5 - Page 349"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 5,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "P is 4.972 KN \n"
+ ]
+ }
+ ],
+ "source": [
+ "from math import sqrt\n",
+ "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)#"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 12-6 - Page 350"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 6,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "h is 5 mm \n"
+ ]
+ }
+ ],
+ "source": [
+ "from math import sqrt,pi\n",
+ "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)#"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 12-7 - Page 350"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 7,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "l is 202 mm \n"
+ ]
+ }
+ ],
+ "source": [
+ "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)#"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 12-8 - Page 351"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 8,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "h is 3 mm \n"
+ ]
+ }
+ ],
+ "source": [
+ "from math import sqrt,pi\n",
+ "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)#"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 12-9 - Page 352"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 9,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ " h is 20 mm \n",
+ "\n",
+ " a is 40 mm \n"
+ ]
+ }
+ ],
+ "source": [
+ "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)#"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 12-10 - Page 352"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 10,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "h is 9 mm \n"
+ ]
+ }
+ ],
+ "source": [
+ "from math import sqrt\n",
+ "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)#"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## exa 12-11 - Page 353"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 11,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "l is 45.4 mm \n"
+ ]
+ }
+ ],
+ "source": [
+ "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)#"
+ ]
+ }
+ ],
+ "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": "2.7.9"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}
generated by cgit (git 2.34.1) at 2025-04-01 13:28:35 +0000