1 | #! /usr/bin/python |
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2 | |
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3 | # To change this template, choose Tools | Templates |
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4 | # and open the template in the editor. |
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5 | |
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6 | __author__="steve" |
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7 | __date__ ="$15/06/2010 5:02:36 PM$" |
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8 | |
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9 | |
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10 | import os |
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11 | from math import sqrt, pow, pi |
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12 | |
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13 | import numpy |
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14 | |
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15 | from anuga_1d.channel.channel_domain import * |
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16 | from anuga_1d.config import g, epsilon |
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17 | from anuga_1d.base.generic_mesh import uniform_mesh |
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18 | |
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19 | |
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20 | def run_evolve(): |
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21 | |
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22 | |
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23 | print "Channel Flow 1 Padarn Test" |
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24 | |
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25 | # Define functions for initial quantities |
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26 | def initial_area(x): |
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27 | return 1.4691*width(x) |
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28 | |
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29 | def width(x): |
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30 | x1=(x/1000)*(x/1000) |
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31 | x2=x1*(x/1000) |
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32 | x3=x2*(x/1000) |
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33 | return 10-64*(x1-2*x2+x3) |
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34 | |
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35 | def bed(x): |
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36 | y = numpy.ones(len(x),numpy.float) |
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37 | |
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38 | return numpy.where( (x<525) & (x>475),y,0.0) |
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39 | |
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40 | |
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41 | def initial_discharge(x): |
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42 | return 20 |
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43 | |
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44 | import time |
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45 | |
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46 | # Set final time and yield time for simulation |
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47 | finaltime = 50.0 |
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48 | yieldstep = 10.0 |
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49 | |
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50 | # Length of channel (m) |
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51 | L = 1000.0 |
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52 | # Define the number of cells |
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53 | N = 200 |
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54 | |
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55 | # Create domain with centroid points as defined above |
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56 | domain = Domain(*uniform_mesh(N)) |
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57 | |
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58 | |
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59 | # Set initial values of quantities - default to zero |
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60 | domain.set_quantity('area', initial_area) |
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61 | domain.set_quantity('width',width) |
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62 | domain.set_quantity('elevation',bed) |
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63 | domain.set_quantity('discharge',initial_discharge) |
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64 | |
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65 | # Set boundry type, order, timestepping method and limiter |
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66 | Bd = Dirichlet_boundary([14,20,0,1.4,20/14,9,1.4]) |
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67 | domain.set_boundary({'left': Bd , 'right' : Bd }) |
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68 | |
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69 | |
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70 | domain.order = 2 |
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71 | domain.set_timestepping_method('rk2') |
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72 | domain.set_CFL(1.0) |
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73 | domain.set_limiter("vanleer") |
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74 | #domain.set_limiter("minmod") |
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75 | #domain.h0=0.0001 |
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76 | |
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77 | # Start timer |
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78 | t0 = time.time() |
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79 | |
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80 | for t in domain.evolve(yieldstep = yieldstep, finaltime = finaltime): |
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81 | domain.write_time() |
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82 | |
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83 | |
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84 | |
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85 | import cProfile |
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86 | cProfile.run('run_evolve()', 'evolve_prof') |
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87 | |
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88 | |
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89 | import pstats |
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90 | p = pstats.Stats('evolve_prof') |
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91 | |
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92 | #p.strip_dirs().sort_stats(-1).print_stats(20) |
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93 | |
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94 | p.sort_stats('cumulative').print_stats(30) |
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95 | |
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96 | print p |
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97 | |
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98 | |
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99 | |
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100 | |
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