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comparison test/SbpOperators/boundaryops/normal_derivative_test.jl @ 1018:5ec49dd2c7c4 feature/stencil_set_type

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Reintroduce read_stencil_set
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Tue, 22 Mar 2022 09:57:28 +0100
parents 7bf3121c6864
children 7fc8df5157a7
comparison
equal deleted inserted replaced
991:37fd8c1cadb2 1018:5ec49dd2c7c4
8 8
9 @testset "normal_derivative" begin 9 @testset "normal_derivative" begin
10 g_1D = EquidistantGrid(11, 0.0, 1.0) 10 g_1D = EquidistantGrid(11, 0.0, 1.0)
11 g_2D = EquidistantGrid((11,12), (0.0, 0.0), (1.0,1.0)) 11 g_2D = EquidistantGrid((11,12), (0.0, 0.0), (1.0,1.0))
12 @testset "normal_derivative" begin 12 @testset "normal_derivative" begin
13 stencil_set = StencilSet(sbp_operators_path()*"standard_diagonal.toml"; order=4) 13 stencil_set = read_stencil_set(sbp_operators_path()*"standard_diagonal.toml"; order=4)
14 d_closure = parse_stencil(stencil_set["d1"]["closure"]) 14 d_closure = parse_stencil(stencil_set["d1"]["closure"])
15 @testset "1D" begin 15 @testset "1D" begin
16 d_l = normal_derivative(g_1D, d_closure, CartesianBoundary{1,Lower}()) 16 d_l = normal_derivative(g_1D, d_closure, CartesianBoundary{1,Lower}())
17 @test d_l == normal_derivative(g_1D, stencil_set, CartesianBoundary{1,Lower}()) 17 @test d_l == normal_derivative(g_1D, stencil_set, CartesianBoundary{1,Lower}())
18 @test d_l isa BoundaryOperator{T,Lower} where T 18 @test d_l isa BoundaryOperator{T,Lower} where T
36 v = evalOn(g_2D, (x,y)-> x^2 + (y-1)^2 + x*y) 36 v = evalOn(g_2D, (x,y)-> x^2 + (y-1)^2 + x*y)
37 v∂x = evalOn(g_2D, (x,y)-> 2*x + y) 37 v∂x = evalOn(g_2D, (x,y)-> 2*x + y)
38 v∂y = evalOn(g_2D, (x,y)-> 2*(y-1) + x) 38 v∂y = evalOn(g_2D, (x,y)-> 2*(y-1) + x)
39 # TODO: Test for higher order polynomials? 39 # TODO: Test for higher order polynomials?
40 @testset "2nd order" begin 40 @testset "2nd order" begin
41 stencil_set = StencilSet(sbp_operators_path()*"standard_diagonal.toml"; order=2) 41 stencil_set = read_stencil_set(sbp_operators_path()*"standard_diagonal.toml"; order=2)
42 d_closure = parse_stencil(stencil_set["d1"]["closure"]) 42 d_closure = parse_stencil(stencil_set["d1"]["closure"])
43 d_w, d_e, d_s, d_n = normal_derivative.(Ref(g_2D), Ref(d_closure), boundary_identifiers(g_2D)) 43 d_w, d_e, d_s, d_n = normal_derivative.(Ref(g_2D), Ref(d_closure), boundary_identifiers(g_2D))
44 44
45 @test d_w*v ≈ -v∂x[1,:] atol = 1e-13 45 @test d_w*v ≈ -v∂x[1,:] atol = 1e-13
46 @test d_e*v ≈ v∂x[end,:] atol = 1e-13 46 @test d_e*v ≈ v∂x[end,:] atol = 1e-13
47 @test d_s*v ≈ -v∂y[:,1] atol = 1e-13 47 @test d_s*v ≈ -v∂y[:,1] atol = 1e-13
48 @test d_n*v ≈ v∂y[:,end] atol = 1e-13 48 @test d_n*v ≈ v∂y[:,end] atol = 1e-13
49 end 49 end
50 50
51 @testset "4th order" begin 51 @testset "4th order" begin
52 stencil_set = StencilSet(sbp_operators_path()*"standard_diagonal.toml"; order=4) 52 stencil_set = read_stencil_set(sbp_operators_path()*"standard_diagonal.toml"; order=4)
53 d_closure = parse_stencil(stencil_set["d1"]["closure"]) 53 d_closure = parse_stencil(stencil_set["d1"]["closure"])
54 d_w, d_e, d_s, d_n = normal_derivative.(Ref(g_2D), Ref(d_closure), boundary_identifiers(g_2D)) 54 d_w, d_e, d_s, d_n = normal_derivative.(Ref(g_2D), Ref(d_closure), boundary_identifiers(g_2D))
55 55
56 @test d_w*v ≈ -v∂x[1,:] atol = 1e-13 56 @test d_w*v ≈ -v∂x[1,:] atol = 1e-13
57 @test d_e*v ≈ v∂x[end,:] atol = 1e-13 57 @test d_e*v ≈ v∂x[end,:] atol = 1e-13