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annotate test/BoundaryConditions/boundary_condition_test.jl @ 1167:fd80e9a0ef99 feature/boundary_conditions

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Make use of discretize in sat functions
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Wed, 07 Dec 2022 21:56:00 +0100
parents d26aef8a5987
children bdcdbd4ea9cd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1164
d26aef8a5987 Add types for different kinds of boundary data functions to discretize the data on the grid. Add tests
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
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1 using Test
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2
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3 using Sbplib.BoundaryConditions
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4 using Sbplib.Grids
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5
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Vidar Stiernström <vidar.stiernstrom@it.uu.se>
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6 grid_1D = EquidistantGrid(11, 0.0, 1.0)
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7 grid_2D = EquidistantGrid((11,15), (0.0, 0.0), (1.0,1.0))
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8 grid_3D = EquidistantGrid((11,15,13), (0.0, 0.0, 0.0), (1.0,1.0, 1.0))
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9 (id_l,_) = boundary_identifiers(grid_1D)
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10 (_,_,_,id_n) = boundary_identifiers(grid_2D)
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11 (_,_,_,_,id_b,_) = boundary_identifiers(grid_3D)
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12
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13 @testset "BoundaryData" begin
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14
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15 @testset "ConstantBoundaryData" begin
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Vidar Stiernström <vidar.stiernstrom@it.uu.se>
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16 c = float(pi)
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17 @test ConstantBoundaryData(c) isa BoundaryData
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18 g_1D = discretize(ConstantBoundaryData(c),boundary_grid(grid_1D, id_l))
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19 g_2D = discretize(ConstantBoundaryData(c),boundary_grid(grid_2D, id_n))
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20 @test g_1D isa Function
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21 @test g_2D isa Function
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22 @test g_1D(0.) == fill(c)
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23 @test g_2D(2.) == c*ones(11)
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24 @test_throws MethodError g_1D(0.,0.)
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25 @test_throws MethodError g_2D(0.,0.)
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26 end
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27
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28 @testset "TimeDependentBoundaryData" begin
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29 f(t) = 1. /(t+0.1)
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30 @test TimeDependentBoundaryData(f) isa BoundaryData
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31 g_1D = discretize(TimeDependentBoundaryData(f),boundary_grid(grid_1D, id_l))
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32 g_2D = discretize(TimeDependentBoundaryData(f),boundary_grid(grid_2D, id_n))
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33 @test g_1D isa Function
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34 @test g_2D isa Function
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35 @test g_1D(0.) == f(0.)*fill(1)
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36 @test g_2D(2.) == f(2.)*ones(11)
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37 @test_throws MethodError g_1D(0.,0.)
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38 @test_throws MethodError g_2D(0.,0.)
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39 end
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40
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41 #TBD: Is it reasoanble to have SpaceDependentBoundaryData for 1D-grids? It would then be a constant
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42 # which then may be represented by ConstantBoundaryData.
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43 @testset "SpaceDependentBoundaryData" begin
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Vidar Stiernström <vidar.stiernstrom@it.uu.se>
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44 f0() = 2
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45 f1(x) = x.^2
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46 f2(x,y) = x.^2 - y
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47 @test SpaceDependentBoundaryData(f1) isa BoundaryData
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48 g_1D = discretize(SpaceDependentBoundaryData(f0),boundary_grid(grid_1D, id_l))
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49 g_2D = discretize(SpaceDependentBoundaryData(f1),boundary_grid(grid_2D, id_n))
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Vidar Stiernström <vidar.stiernstrom@it.uu.se>
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50 g_3D = discretize(SpaceDependentBoundaryData(f2),boundary_grid(grid_3D, id_n))
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51 @test g_1D isa Function
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52 @test g_2D isa Function
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53 @test g_3D isa Function
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54 @test_broken g_1D(1.) == fill(f0()) # Does not work since evalOn for f0 returns ().
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55 @test g_2D(2.) ≈ f1.(range(0., 1., 11)) rtol=1e-14
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56 @test g_3D(0.) ≈ evalOn(boundary_grid(grid_3D, id_n),f2) rtol=1e-14
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57 @test_throws MethodError g_1D(0.,0.)
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58 @test_throws MethodError g_2D(0.,0.)
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59 @test_throws MethodError g_3D(0.,0.)
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60 end
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61
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62 # TBD: Include tests for 1D-grids? See TBD above
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63 @testset "SpaceTimeDependentBoundaryData" begin
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64 fx1(x) = x.^2
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65 fx2(x,y) = x.^2 - y
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66 ft(t) = exp(t)
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67 ftx1(t,x) = ft(t)*fx1(x)
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68 ftx2(t,x,y) = ft(t)*fx2(x,y)
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69 @test SpaceTimeDependentBoundaryData(ftx1) isa BoundaryData
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70 g_2D = discretize(SpaceTimeDependentBoundaryData(ftx1),boundary_grid(grid_2D, id_n))
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71 g_3D = discretize(SpaceTimeDependentBoundaryData(ftx2),boundary_grid(grid_3D, id_b))
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72 @test g_2D isa Function
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73 @test g_3D isa Function
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74 @test g_2D(2.) ≈ ft(2.)*fx1.(range(0., 1., 11)) rtol=1e-14
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75 @test g_3D(3.14) ≈ ft(3.14)*evalOn(boundary_grid(grid_3D, id_b),fx2) rtol=1e-14
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76 @test_throws MethodError g_2D(0.,0.)
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77 @test_throws MethodError g_3D(0.,0.)
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78 end
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79
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80 @testset "ZeroBoundaryData" begin
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81 @test ZeroBoundaryData() isa BoundaryData
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82 g_2D = discretize(ZeroBoundaryData(), boundary_grid(grid_2D, id_n))
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83 g_3D = discretize(ZeroBoundaryData(), boundary_grid(grid_3D, id_b))
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84 @test g_2D isa Function
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85 @test g_3D isa Function
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86 @test g_2D(2.) ≈ 0.0*range(0., 1., 11) rtol=1e-14
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87 f(x,y) = 0
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88 @test g_3D(3.14) ≈ 0.0*evalOn(boundary_grid(grid_3D, id_b), f) rtol=1e-14
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89 @test_throws MethodError g_2D(0.,0.)
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90 @test_throws MethodError g_3D(0.,0.)
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91 end
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92 end
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93
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94 @testset "BoundaryCondition" begin
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95 g = ConstantBoundaryData(1.0)
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96 NeumannCondition(g,id_n) isa BoundaryCondition{ConstantBoundaryData}
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97 DirichletCondition(g,id_n) isa BoundaryCondition{ConstantBoundaryData}
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98 @test data(NeumannCondition(g,id_n)) == g
d26aef8a5987 Add types for different kinds of boundary data functions to discretize the data on the grid. Add tests
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
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99 end