[239] | 1 | """Example of shallow water wave equation. |
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| 2 | |
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| 3 | This version is for profiling |
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[268] | 4 | (The original) |
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[239] | 5 | """ |
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| 6 | |
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| 7 | ###################### |
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| 8 | # Module imports |
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| 9 | # |
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| 10 | from shallow_water import Domain, Reflective_boundary, Dirichlet_boundary,\ |
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| 11 | Transmissive_boundary, Time_boundary,\ |
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| 12 | Weir_simple as Weir, Constant_height |
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| 13 | |
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| 14 | from mesh_factory import rectangular |
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| 15 | from Numeric import array |
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| 16 | |
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| 17 | |
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| 18 | ###################### |
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| 19 | # Domain |
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| 20 | # |
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| 21 | |
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[515] | 22 | N = 16 |
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[239] | 23 | |
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| 24 | print 'Creating domain' |
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| 25 | #Create basic mesh |
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| 26 | points, vertices, boundary = rectangular(N, N) |
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| 27 | |
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| 28 | #Create shallow water domain |
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| 29 | domain = Domain(points, vertices, boundary) |
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| 30 | domain.default_order = 2 |
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| 31 | #domain.visualise = True |
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| 32 | |
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[244] | 33 | |
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[239] | 34 | print 'Field values' |
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| 35 | def slope(x, y): |
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| 36 | return -x |
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| 37 | |
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| 38 | domain.set_quantity('elevation', slope) |
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| 39 | domain.set_quantity('friction', 0.3) |
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| 40 | |
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| 41 | |
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| 42 | # Boundary conditions |
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| 43 | # |
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| 44 | Br = Reflective_boundary(domain) |
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| 45 | domain.set_boundary({'left': Br, 'right': Br, 'bottom': Br, 'top': Br}) |
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| 46 | |
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| 47 | |
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| 48 | ###################### |
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| 49 | #Initial condition |
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[773] | 50 | domain.set_quantity('stage', Constant_height(slope, 0.3)) |
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[239] | 51 | |
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| 52 | domain.check_integrity() |
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| 53 | |
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| 54 | |
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| 55 | ###################### |
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| 56 | #Evolution |
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| 57 | |
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| 58 | import time |
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| 59 | t0 = time.time() |
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| 60 | |
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| 61 | s = 'for t in domain.evolve(yieldstep = 0.02, finaltime = 0.2): domain.write_time()' |
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| 62 | |
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| 63 | |
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| 64 | |
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| 65 | import profile, pstats |
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| 66 | FN = 'profile.dat' |
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| 67 | |
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| 68 | profile.run(s, FN) |
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| 69 | |
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| 70 | print 'That took %.2f seconds' %(time.time()-t0) |
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| 71 | |
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| 72 | S = pstats.Stats(FN) |
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| 73 | #S.sort_stats('time').print_stats(20) |
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| 74 | s = S.sort_stats('cumulative').print_stats(30) |
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| 75 | |
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| 76 | print s |
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