[3640] | 1 | """Validation of the AnuGA implementation of the shallow water wave equation. |
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| 2 | |
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| 3 | This script sets up LWRU2 benchmark with initial condition stated |
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| 4 | |
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| 5 | See also |
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| 6 | |
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| 7 | http://www.cee.cornell.edu/longwave/index.cfm?page=benchmark&problem=2 |
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| 8 | |
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| 9 | Depth at western boundary is d = 13.5 cm |
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| 10 | |
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| 11 | This a parallel version. |
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| 12 | """ |
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| 13 | |
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| 14 | # Module imports |
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| 15 | from Numeric import array, zeros, Float, allclose |
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| 16 | |
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| 17 | from anuga.shallow_water import Domain |
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| 18 | from anuga.shallow_water import Reflective_boundary |
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| 19 | from anuga.shallow_water import Transmissive_Momentum_Set_Stage_boundary |
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| 20 | from anuga.abstract_2d_finite_volumes.util import file_function |
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| 21 | |
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| 22 | from anuga_parallel.parallel_api import myid, numprocs, distribute |
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| 23 | |
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| 24 | import project |
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| 25 | |
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| 26 | |
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| 27 | #------------------------- |
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| 28 | # Create Domain |
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| 29 | #------------------------- |
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| 30 | domain = Domain(project.mesh_filename, use_cache=True, verbose=True) |
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| 31 | domain.set_name('okushiri') |
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| 32 | domain.set_default_order(2) |
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| 33 | print domain.statistics() |
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| 34 | |
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| 35 | |
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| 36 | #------------------------- |
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| 37 | # Initial Conditions |
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| 38 | #------------------------- |
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| 39 | domain.set_quantity('friction', 0.0) |
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| 40 | domain.set_quantity('stage', 0.0) |
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| 41 | domain.set_quantity('elevation', |
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| 42 | filename = project.bathymetry_filename[:-4] + '.pts', |
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| 43 | alpha = 0.02, |
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| 44 | verbose = True, |
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| 45 | use_cache = True) |
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| 46 | |
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| 47 | #------------------------- |
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| 48 | # Boundary Conditions |
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| 49 | #------------------------- |
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| 50 | Br = Reflective_boundary(domain) |
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| 51 | |
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[3645] | 52 | domain.set_boundary({'wave': None, # Bind this one later |
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| 53 | 'wall': Br}) |
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[3640] | 54 | |
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| 55 | |
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| 56 | #------------------------- |
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| 57 | # Distribute domain |
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| 58 | #------------------------- |
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[3656] | 59 | #if numprocs > 1: |
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| 60 | # domain = distribute(domain) |
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| 61 | domain = distribute(domain) |
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[3640] | 62 | |
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[3648] | 63 | |
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| 64 | # Bind boundary, that cannot be fully specified before distribution. |
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[3645] | 65 | function = file_function(project.boundary_filename[:-4] + '.tms', |
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| 66 | domain, |
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| 67 | verbose=True) |
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[3640] | 68 | |
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[3645] | 69 | Bts = Transmissive_Momentum_Set_Stage_boundary(domain, function) |
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| 70 | domain.modify_boundary({'wave': Bts}) |
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| 71 | |
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[3648] | 72 | |
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[3640] | 73 | #------------------------- |
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| 74 | # Evolve through time |
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| 75 | #------------------------- |
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| 76 | import time |
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| 77 | t0 = time.time() |
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| 78 | |
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| 79 | for t in domain.evolve(yieldstep = 0.05, finaltime = 22.5): |
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| 80 | domain.write_time() |
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| 81 | |
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| 82 | print 'That took %.2f seconds' %(time.time()-t0) |
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