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annotate test/SbpOperators/boundary_conditions/sat_test.jl @ 1871:b1eb33e62d1e refactor/grids/iterable_boundary_indices

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Remove unneded type paramter name
author Jonatan Werpers <jonatan@werpers.com>
date Mon, 27 Jan 2025 09:17:54 +0100
parents 471a948cd2b2
children
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1 using Test
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2
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3 using Diffinitive.Grids
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4 using Diffinitive.LazyTensors
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5 using Diffinitive.SbpOperators
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7 stencil_set = read_stencil_set(sbp_operators_path()*"standard_diagonal.toml"; order = 4)
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9 struct MockOp end
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11 function SbpOperators.sat_tensors(op::MockOp, g::Grid, bc::DirichletCondition; a = 1.)
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12 e = boundary_restriction(g, stencil_set, boundary(bc))
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13 L = a*e
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14 sat_op = e'
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15 return sat_op, L
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16 end
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18 function SbpOperators.sat_tensors(op::MockOp, g::Grid, bc::NeumannCondition)
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19 e = boundary_restriction(g, stencil_set, boundary(bc))
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20 d = normal_derivative(g, stencil_set, boundary(bc))
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21 L = d
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22 sat_op = e'
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23 return sat_op, L
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24 end
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26 @testset "sat" begin
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27 op = MockOp()
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28 @testset "1D" begin
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29 grid = equidistant_grid(0., 1., 11)
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30 l, r = boundary_identifiers(grid)
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31 u = eval_on(grid, x-> 1. + 2x^2)
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32 dc = DirichletCondition(1.0, l)
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33 g_l = discretize_data(grid, dc)
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34 SAT_l = sat(op, grid, dc)
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35 @test SAT_l(u, g_l) ≈ zeros((size(grid))) atol = 1e-13
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36
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37 nc = NeumannCondition(4.0, r)
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38 g_r = discretize_data(grid, nc)
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39 SAT_r = sat(op, grid, nc)
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40 @test SAT_r(u, g_r) ≈ zeros((size(grid))) atol = 1e-13
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41 end
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42 @testset "2D" begin
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43 grid = equidistant_grid((0.,0.), (1.,1.), 11, 13)
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44 W, E, S, N = boundary_identifiers(grid)
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45 u = eval_on(grid, (x,y) -> x+y^2)
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47 dc_W = DirichletCondition(1.0, W)
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48 SAT_W = sat(op, grid, dc_W)
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49 g_W = discretize_data(grid, dc_W)
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50 r_W = zeros(size(grid))
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51 r_W[1,:] .= map(y -> (y^2-1.), range(0., 1., length=13))
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52 @test SAT_W(u, g_W) ≈ r_W atol = 1e-13
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54 dc_E = DirichletCondition(2, E)
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55 SAT_E = sat(op, grid, dc_E; a = 2.)
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56 g_E = discretize_data(grid, dc_E)
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57 r_E = zeros(size(grid))
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58 r_E[end,:] .= map(y -> (2*(1. + y^2)-2.), range(0., 1., length=13))
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59 @test SAT_E(u, g_E) ≈ r_E atol = 1e-13
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61 nc_S = NeumannCondition(.0, S)
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62 SAT_S = sat(op, grid, nc_S)
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63 g_S = discretize_data(grid, nc_S)
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64 @test SAT_S(u, g_S) ≈ zeros(size(grid)) atol = 1e-13
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65
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66 nc_N = NeumannCondition(2.0, N)
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67 SAT_N = sat(op, grid, nc_N)
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68 g_N = discretize_data(grid, nc_N)
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69 @test SAT_N(u, g_N) ≈ zeros(size(grid)) atol = 1e-13
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70 end
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71 end