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 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', project.mesh_filename |
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24 | |
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25 | domain = cache(pmesh_to_domain_instance, |
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26 | (project.mesh_filename, Domain), |
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27 | dependencies = [project.mesh_filename]) |
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28 | |
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29 | #domain = pmesh_to_domain_instance(project.mesh_filename, Domain) |
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30 | |
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31 | domain.check_integrity() |
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32 | print 'Number of triangles = ', len(domain) |
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33 | print 'The extent is ', domain.get_extent() |
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34 | |
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35 | |
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36 | |
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37 | #------------------------------- |
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38 | # Initial Conditions |
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39 | #------------------------------- |
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40 | print 'Initial values' |
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41 | |
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42 | domain.set_quantity('elevation', |
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43 | filename = project.bathymetry_filename[:-4] + '.xya', |
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44 | alpha = 10.0, |
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45 | verbose = True, |
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46 | use_cache = True) |
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47 | |
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48 | domain.set_quantity('friction', 0.03) |
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49 | domain.set_quantity('stage', 0.0) |
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50 | |
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51 | #------------------------------- |
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52 | # Boundary conditions |
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53 | #------------------------------- |
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54 | print 'Boundaries' |
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55 | |
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56 | # Tidal cycle recorded at Eden as open |
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57 | print 'Open sea boundary condition from ',project.boundary_filename |
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58 | from pyvolution.util import file_function |
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59 | tide_function = file_function(project.boundary_filename[:-4] + '.tms', domain, |
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60 | verbose = True) |
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61 | Bts = Transmissive_Momentum_Set_Stage_boundary(domain, tide_function) |
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62 | |
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63 | # All other boundaries are reflective |
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64 | Br = Reflective_boundary(domain) |
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65 | |
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66 | domain.set_boundary({'exterior': Br, 'open': Bts}) |
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67 | |
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68 | #------------------------------- |
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69 | # Setup domain runtime parameters |
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70 | #------------------------------- |
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71 | domain.visualise = True |
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72 | domain.visualise_color_stage = True |
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73 | |
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74 | base = os.path.basename(sys.argv[0]) |
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75 | domain.filename, _ = os.path.splitext(base) |
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76 | domain.default_order = 2 |
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77 | domain.store = True #Store for visualisation purposes |
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78 | |
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79 | |
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80 | |
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81 | #------------------------------- |
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82 | # Evolve |
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83 | #------------------------------- |
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84 | import time |
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85 | t0 = time.time() |
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86 | yieldstep = 60 |
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87 | finaltime = 3600*24 |
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88 | |
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89 | |
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90 | for t in domain.evolve(yieldstep = yieldstep, finaltime = finaltime): |
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91 | domain.write_time() |
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92 | |
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93 | print 'That took %.2f seconds' %(time.time()-t0) |
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