1 | import os.path
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2 | import inspect
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3 | import netCDF4
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4 | from numpy import *
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5 | from verbose import *
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6 | from InterpFromMeshToMesh2d import InterpFromMeshToMesh2d
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7 | from paterson import *
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8 | from SetMarineIceSheetBC import *
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9 |
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10 | #Start defining model parameters here
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11 |
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12 | #Geometry and observation
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13 | f = netCDF4.Dataset('../Data/Pig.nc','r')
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14 | x = reshape(f.variables['x'][:],(-1))
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15 | y = reshape(f.variables['y'][:],(-1))
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16 | vx_obs = f.variables['vx_obs'][:]
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17 | vy_obs = f.variables['vy_obs'][:]
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18 | index = f.variables['index'][:]
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19 | surface = f.variables['surface'][:]
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20 | thickness = f.variables['thickness'][:]
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21 | f.close()
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22 |
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23 | [md.inversion.vx_obs] =InterpFromMeshToMesh2d(index,x,y,vx_obs,md.mesh.x,md.mesh.y)
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24 | [md.inversion.vy_obs] =InterpFromMeshToMesh2d(index,x,y,vy_obs,md.mesh.x,md.mesh.y)
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25 | [md.geometry.surface] =InterpFromMeshToMesh2d(index,x,y,surface,md.mesh.x,md.mesh.y)
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26 | [md.geometry.thickness]=InterpFromMeshToMesh2d(index,x,y,thickness,md.mesh.x,md.mesh.y)
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27 | md.geometry.bed=md.geometry.surface-md.geometry.thickness
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28 | md.initialization.vx=md.inversion.vx_obs
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29 | md.initialization.vy=md.inversion.vy_obs
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30 | md.initialization.vz=zeros((md.mesh.numberofvertices,1))
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31 | md.initialization.pressure=zeros((md.mesh.numberofvertices,1))
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32 |
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33 | #Materials
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34 | md.initialization.temperature=(273.-20.)*ones((md.mesh.numberofvertices,1))
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35 | md.materials.rheology_B=paterson(md.initialization.temperature)
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36 | md.materials.rheology_n=3.*ones((md.mesh.numberofelements,1))
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37 | md.initialization.temperature=md.initialization.temperature
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38 |
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39 | #Friction
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40 | pos=numpy.nonzero(md.mask.elementonfloatingice)
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41 | md.friction.coefficient=50.*ones((md.mesh.numberofvertices,1))
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42 | md.friction.coefficient[md.mesh.elements[pos].astype(int)-1]=0.
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43 | md.friction.p=ones((md.mesh.numberofelements,1))
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44 | md.friction.q=ones((md.mesh.numberofelements,1))
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45 |
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46 | #Numerical parameters
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47 | md.diagnostic.viscosity_overshoot=0.3
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48 | md.prognostic.stabilization=1.
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49 | md.verbose=verbose(0)
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50 | md.settings.waitonlock=30
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51 | md.timestepping.time_step=1.
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52 | md.timestepping.final_time=2.
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53 | md.diagnostic.restol=0.05
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54 | md.diagnostic.reltol=1.
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55 | md.steadystate.reltol=1.
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56 | md.diagnostic.abstol=float('nan')
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57 |
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58 | #Boundary conditions:
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59 | md=SetMarineIceSheetBC(md)
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60 |
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61 | #Change name so that no test have the same name
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62 | if len(inspect.stack()) > 2:
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63 | md.miscellaneous.name = os.path.basename(inspect.stack()[2][1]).split('.')[0]
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