summaryrefslogtreecommitdiff
path: root/Mechanics_Of_Fluids/ch1.ipynb
diff options
context:
space:
mode:
Diffstat (limited to 'Mechanics_Of_Fluids/ch1.ipynb')
-rwxr-xr-xMechanics_Of_Fluids/ch1.ipynb403
1 files changed, 403 insertions, 0 deletions
diff --git a/Mechanics_Of_Fluids/ch1.ipynb b/Mechanics_Of_Fluids/ch1.ipynb
new file mode 100755
index 00000000..37f784f3
--- /dev/null
+++ b/Mechanics_Of_Fluids/ch1.ipynb
@@ -0,0 +1,403 @@
+{
+ "metadata": {
+ "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 1 : Buoyancy and Stability"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 1.4.1 Page no : 5"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\t\t\t\n",
+ "#initialisation of variables\n",
+ "ws= 64. \t\t\t#lbf/ft**3\n",
+ "wi= 57. \t\t\t#lbf/ft**3\n",
+ "\t\t\t\n",
+ "#CALCULATIONS\n",
+ "vabyvb= (ws/wi)-1\n",
+ "vtbyva= (1./vabyvb)+1\n",
+ "vabyvt= (1./vtbyva)*100\n",
+ "\t\t\t\n",
+ "#RESULTS\n",
+ "print 'percentage of total volume extended above the surface= %.1f per cent'%(vabyvt)\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "percentage of total volume extended above the surface= 10.9 per cent\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 1.4.2 page no :5"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "import math \n",
+ "#initialisation of variables\n",
+ "p= 20. \t\t\t#lbf/in**2\n",
+ "d1= 4. \t\t\t#in\n",
+ "d2= 18. \t\t\t#in\n",
+ "d3= 0.5 \t\t\t#in\n",
+ "sw= 62.3 \t\t\t#lbf/ft**3\n",
+ "\t\t\t\n",
+ "#CALCULATIONS\n",
+ "Fa= p*(math.pi/4)*d3**2\n",
+ "Fb= (4/d2)*3.92\n",
+ "V= 1.5*(Fb/sw)*1728\n",
+ "r= (0.75*(V/math.pi))**(1/3.)\n",
+ "d= 2*r\n",
+ "\t\t\t\n",
+ "#RESULTS\n",
+ "print 'diameter of the float= %.2f in'%(d)\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "diameter of the float= 4.11 in\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 1.6.1 page no : 12"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "import math \t\t\t\n",
+ "\n",
+ "#initialisation of variables\n",
+ "delta_W= 4. \t\t\t#tonf\n",
+ "x= 30. \t\t\t#ft\n",
+ "W= 2000. \t\t\t#tonf\n",
+ "O1=(0.015)\n",
+ "O2= -0.015\n",
+ "\t\t\t\n",
+ "#CALCULATIONS\n",
+ "O = O1-O2\n",
+ "GM = (delta_W*x)/(W*O)\n",
+ "\t\t\t\n",
+ "#RESULTS\n",
+ "print 'metacentric height= %.f ft'%(GM)\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "metacentric height= 2 ft\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 1.6.2 page no : 12"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ " \n",
+ "#initialisation of variables\n",
+ "ws= 1./35 \t\t\t#tonf/ft**3\n",
+ "A= 10500. \t\t\t#ft**2\n",
+ "wf= 1/36. \t\t\t#tonf/ft**3\n",
+ "Wo= 7000. \t\t\t#tonf\n",
+ "Wf= 6950.\t\t\t#tonf\n",
+ "li= 300. \t\t\t#ft\n",
+ "lh= 400. \t\t\t#ft\n",
+ "l= 7200. \t\t\t#ft\n",
+ "l1=50. \t\t\t #ft\n",
+ "l2= 10. \t\t\t#ft\n",
+ "l3= 250. \t\t\t#ft\n",
+ "l4= 40. \t\t\t#ft\n",
+ "\t\t\t\n",
+ "#CALCULATIONS\n",
+ "Dod= (1./A)*((Wo/wf)-(Wf/ws)) #decrease of draught(ft)\n",
+ "Ac= ws*A*Dod #additional cargo(tonf)\n",
+ "x= (l1*l2+l3*l4)/(l+l3-l1*l2)\n",
+ "do= (x/lh)*li\n",
+ "\t\t\t\n",
+ "#RESULTS\n",
+ "print 'change of draught= %.3f ft'%(Dod)\n",
+ "print ' Additional cargo=%.f tonf'%(Ac)\n",
+ "print ' change of trim=%.1f ft'%(do) \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change of draught= 0.833 ft\n",
+ " Additional cargo=250 tonf\n",
+ " change of trim=1.1 ft\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 1.6.3 page no : 14\n"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "#initialisation of variables\n",
+ "\n",
+ "M= 500. \t\t\t#tonf ft/in\n",
+ "D= 32. \t\t\t #tonf/in\n",
+ "l= 200. \t\t\t#ft\n",
+ "L= 380. \t\t\t#ft\n",
+ "\t\t\t\n",
+ "#CALCULATIONS\n",
+ "x= l+(M/D)*(L/l)\n",
+ "\t\t\t\n",
+ "#RESULTS\n",
+ "print 'length= %.1f ft aft'%(x)\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "length= 229.7 ft aft\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 1.7.2 page no : 19"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "#initialisation of variables\n",
+ "import math \n",
+ "a= 6.\n",
+ "b= -6.\n",
+ "c= 1.\n",
+ "\t\t\t\n",
+ "#CALCULATIONS\n",
+ "s1= (-b+math.sqrt(b**2-4*a*c))/(2*a)\n",
+ "s2= (-b-math.sqrt(b**2-4*a*c))/(2*a)\n",
+ "\t\t\t\n",
+ "#RESULTS\n",
+ "print 'upper limit for specific gravity s= %.3f '%(s1)\n",
+ "print 'lower limit for specific gravity s=%.3f tonf'%(s2)\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "upper limit for specific gravity s= 0.789 \n",
+ "lower limit for specific gravity s=0.211 tonf\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 1.7.3 page no : 21"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "#initialisation of variables\n",
+ "b= 350. \t\t\t#ft\n",
+ "d= 12. \t\t\t#ft\n",
+ "L= 46. \t\t\t#ft\n",
+ "Ac1= 500.*80*12 \t\t\t#ft**3\n",
+ "Ac2= 350.*12*9 \t\t\t#ft**3\n",
+ "\t\t\t\n",
+ "#CALCULATIONS\n",
+ "Ic= (b*d**3)/12.\n",
+ "A= b*d\n",
+ "Io= Ic+A*L**2.\n",
+ "I= 2*Io\n",
+ "V= Ac1+2*Ac2\n",
+ "BM= I/V\n",
+ "\t\t\t\n",
+ "#RESULTS\n",
+ "print 'print lacement of body= %.1f ft'%(BM)\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "print lacement of body= 32.2 ft\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 1.8.1 page no : 23"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "#initialisation of variables\n",
+ "W= 4500. \t\t#tonf\n",
+ "b= 20. \t\t\t#length(ft)\n",
+ "d= 8. \t\t\t#breadth(ft)\n",
+ "s= 0.83 #specific gravity\n",
+ "\t\t\t\n",
+ "#CALCULATIONS\n",
+ "I= int(b*d**3/12.)\n",
+ "r= 3*s*I/(36*W)\n",
+ "inc = r * 12 # inch\n",
+ "\n",
+ "#RESULTS\n",
+ "print 'Reduction caused by three compartments= %.3f in.'%(inc)\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Reduction caused by three compartments= 0.157 in.\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 1.9.1 page no : 25"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "#initialisation of variables\n",
+ "\n",
+ "import math \n",
+ "Kg= 12. \t\t\t#ft\n",
+ "g= 32.2 \t\t\t#ft/s**2\n",
+ "GM= 2. \t\t\t#ft\n",
+ "\t\t\t\n",
+ "#CALCULATIONS\n",
+ "T= 2.*math.pi*math.sqrt(Kg**2/(g*GM))\n",
+ "\t\t\t\n",
+ "#RESULTS\n",
+ "print 'periodic time of rolling of the ship= %.1f sec'%(T)\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "periodic time of rolling of the ship= 9.4 sec\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
generated by cgit (git 2.34.1) at 2024-12-20 17:51:47 +0000