1 | """ |
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2 | Main meribula script using new interface |
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3 | """ |
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4 | |
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5 | #------------------------------- |
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6 | # Module imports |
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7 | #------------------------------- |
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8 | import sys, os |
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9 | from pyvolution.shallow_water import Domain, Reflective_boundary,\ |
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10 | File_boundary, Transmissive_Momentum_Set_Stage_boundary |
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11 | from pyvolution.mesh_factory import rectangular_cross |
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12 | from pyvolution.pmesh2domain import pmesh_to_domain_instance |
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13 | from Numeric import array, zeros, Float, allclose |
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14 | import cairns_project |
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15 | from caching import cache |
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16 | |
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17 | |
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18 | |
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19 | |
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20 | #------------------------------- |
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21 | # Domain |
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22 | #------------------------------- |
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23 | #print 'Creating domain from', cairns_project.mesh_filename |
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24 | |
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25 | #domain = cache(pmesh_to_domain_instance, |
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26 | # (cairns_project.mesh_filename, Domain), |
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27 | # dependencies = [cairns_project.mesh_filename]) |
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28 | |
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29 | print 'Creating domain' |
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30 | N = 50 |
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31 | M = 60 |
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32 | #r_earth = 5e6 |
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33 | #from math import sin, pi |
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34 | #scale_y = r_earth*sin(74/180*pi) |
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35 | #print scale_y |
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36 | points, elements, boundary = rectangular_cross(N, M, len1=30.0, len2=16.0, |
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37 | origin = (145.0, -24.0)) |
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38 | domain = Domain(points, elements, boundary) |
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39 | |
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40 | domain.check_integrity() |
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41 | print 'Number of triangles = ', len(domain) |
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42 | print 'The extent is ', domain.get_extent() |
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43 | |
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44 | |
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45 | |
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46 | #------------------------------- |
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47 | # Initial Conditions |
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48 | #------------------------------- |
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49 | print 'Initial values' |
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50 | |
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51 | domain.set_quantity('elevation', |
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52 | filename = cairns_project.bathymetry_filename[:-4] + '.xya', |
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53 | alpha = 10.0, |
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54 | verbose = True, |
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55 | use_cache = True) |
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56 | |
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57 | domain.set_quantity('friction', 0.0) |
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58 | domain.set_quantity('stage', 0.0) |
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59 | |
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60 | #------------------------------- |
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61 | # Boundary conditions |
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62 | #------------------------------- |
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63 | print 'Boundaries' |
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64 | |
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65 | # Tidal cycle recorded at Eden as open |
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66 | #print 'Open sea boundary condition from ',cairns_project.boundary_filename |
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67 | #from pyvolution.util import file_function |
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68 | #tide_function = file_function(cairns_project.boundary_filename[:-4] + '.tms', domain, |
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69 | # verbose = True) |
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70 | #Bts = Transmissive_Momentum_Set_Stage_boundary(domain, tide_function) |
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71 | |
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72 | # All other boundaries are reflective |
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73 | Br = Reflective_boundary(domain) |
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74 | |
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75 | #domain.set_boundary({'exterior': Br, 'open': Br}) |
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76 | domain.set_boundary({'left': Br, 'right': Br, 'top': Br, 'bottom': Br}) |
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77 | |
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78 | #------------------------------- |
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79 | # Setup domain runtime parameters |
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80 | #------------------------------- |
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81 | domain.visualise = True |
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82 | domain.visualise_color_stage = True |
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83 | |
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84 | base = os.path.basename(sys.argv[0]) |
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85 | domain.filename, _ = os.path.splitext(base) |
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86 | domain.default_order = 2 |
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87 | domain.store = True #Store for visualisation purposes |
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88 | domain.smooth = False |
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89 | |
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90 | |
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91 | |
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92 | #------------------------------- |
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93 | # Evolve |
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94 | #------------------------------- |
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95 | import time |
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96 | t0 = time.time() |
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97 | yieldstep = 0.1 |
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98 | finaltime = 1 |
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99 | |
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100 | |
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101 | for t in domain.evolve(yieldstep = yieldstep, finaltime = finaltime): |
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102 | domain.write_time() |
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103 | |
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104 | print 'That took %.2f seconds' %(time.time()-t0) |
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