[25023] | 1 | #Test Name: SquareSheetHydrologyGlaDS
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| 2 | import numpy as np
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| 3 | from model import *
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| 4 | from triangle import triangle
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| 5 | from setmask import setmask
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| 6 | from setflowequation import setflowequation
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| 7 | from parameterize import parameterize
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| 8 | from solve import solve
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| 9 | from SetIceSheetBC import SetIceSheetBC
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| 10 | from generic import generic
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| 11 |
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| 12 | #create model:
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| 13 | md = triangle(model(), '../Exp/Square.exp', 50000.)
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| 14 | md.mesh.x = md.mesh.x / 100
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| 15 | md.mesh.y = md.mesh.y / 100
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| 16 | #miscellaneous
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| 17 | md = setmask(md, '', '') #everywhere grounded
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| 18 | md = setflowequation(md, 'SSA', 'all')
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| 19 | md.miscellaneous.name = 'testChannels'
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| 20 | md.stressbalance.maxiter = 2 #Make sure it runs quickly...
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| 21 |
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| 22 | #Some constants
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| 23 | md.constants.g = 9.8
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| 24 | md.materials.rho_ice = 910
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| 25 |
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| 26 | #Geometry
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| 27 | md.geometry.surface = -0.02 * md.mesh.x + 320
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| 28 | md.geometry.bed = np.zeros((md.mesh.numberofvertices))
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| 29 | md.geometry.base = md.geometry.bed
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| 30 | md.geometry.thickness = md.geometry.surface - md.geometry.bed
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| 31 |
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| 32 | #Define initial conditions
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| 33 | md.initialization.vx = 1.0e-6 * md.constants.yts * np.ones((md.mesh.numberofvertices))
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| 34 | md.initialization.vy = np.zeros((md.mesh.numberofvertices))
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| 35 | md.initialization.temperature = (273. - 20.) * np.ones((md.mesh.numberofvertices))
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| 36 | md.initialization.watercolumn = 0.03 * np.ones((md.mesh.numberofvertices))
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| 37 | md.initialization.hydraulic_potential = md.materials.rho_ice * md.constants.g * md.geometry.thickness
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| 38 |
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| 39 | #Materials
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[25029] | 40 | md.materials.rheology_B = (5e-25)**(-1./3.) * np.ones((md.mesh.numberofvertices))
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[25023] | 41 | md.materials.rheology_n = 3. * np.ones((md.mesh.numberofelements))
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| 42 |
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| 43 | #Friction
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| 44 | md.friction.coefficient = np.zeros((md.mesh.numberofvertices))
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| 45 | md.friction.p = np.ones((md.mesh.numberofelements))
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| 46 | md.friction.q = np.ones((md.mesh.numberofelements))
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| 47 | #md.friction.coupling = 0
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| 48 |
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| 49 | #Boundary conditions:
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| 50 | md = SetIceSheetBC(md)
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| 51 |
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| 52 | md.inversion.iscontrol = 0
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| 53 | md.transient = transient.deactivateall(md.transient)
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| 54 | md.transient.ishydrology = 1
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| 55 |
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| 56 | # Set numerical conditions
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| 57 | md.timestepping.time_step = 0.1 / 365
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| 58 | md.timestepping.final_time = 0.4 / 365
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| 59 |
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| 60 | #Change hydrology class to Glads model
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| 61 | md.hydrology = hydrologyglads()
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| 62 | md.hydrology.ischannels = 1
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| 63 | md.hydrology.englacial_void_ratio = 1.e-5
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| 64 | md.hydrology.moulin_input = np.zeros((md.mesh.numberofvertices))
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| 65 | md.hydrology.neumannflux = np.zeros((md.mesh.numberofelements))
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| 66 | md.hydrology.bump_height = 1.e-1 * np.ones((md.mesh.numberofvertices))
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| 67 | md.hydrology.sheet_conductivity = 1.e-3 * np.ones((md.mesh.numberofvertices))
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| 68 |
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| 69 | # BCs for hydrology
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| 70 | pos = np.where(np.logical_and(md.mesh.x == 100, md.mesh.vertexonboundary))
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| 71 | md.hydrology.spcphi = np.nan * np.ones((md.mesh.numberofvertices))
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| 72 | md.hydrology.spcphi[pos] = md.materials.rho_ice * md.constants.g * md.geometry.thickness[pos]
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| 73 |
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| 74 | md.cluster = generic('np', 2)
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| 75 | md = solve(md, 'Transient') #or 'tr'
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| 76 |
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| 77 | #Fields and tolerances to track changes
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| 78 | field_names = ['HydrologySheetThickness1', 'HydraulicPotential1', 'ChannelArea1',
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| 79 | 'HydrologySheetThickness2', 'HydraulicPotential2', 'ChannelArea2',
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| 80 | 'HydrologySheetThickness3', 'HydraulicPotential3', 'ChannelArea3',
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| 81 | 'HydrologySheetThickness4', 'HydraulicPotential4', 'ChannelArea4']
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| 82 | field_tolerances = [1e-13, 1e-13, 1e-13,
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| 83 | 1e-13, 1e-13, 2e-13,
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| 84 | 1e-13, 1e-13, 7e-13,
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| 85 | 1e-13, 1e-13, 2e-12]
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| 86 | field_values = [md.results.TransientSolution[0].HydrologySheetThickness,
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| 87 | md.results.TransientSolution[0].HydraulicPotential,
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| 88 | md.results.TransientSolution[0].ChannelArea,
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| 89 | md.results.TransientSolution[1].HydrologySheetThickness,
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| 90 | md.results.TransientSolution[1].HydraulicPotential,
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| 91 | md.results.TransientSolution[1].ChannelArea,
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| 92 | md.results.TransientSolution[2].HydrologySheetThickness,
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| 93 | md.results.TransientSolution[2].HydraulicPotential,
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| 94 | md.results.TransientSolution[2].ChannelArea,
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| 95 | md.results.TransientSolution[3].HydrologySheetThickness,
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| 96 | md.results.TransientSolution[3].HydraulicPotential,
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| 97 | md.results.TransientSolution[3].ChannelArea]
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