mirror of
https://github.com/JuliaFEM/JuliaFEM.jl.git
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Jukka Aho
54 lines
1.6 KiB
Julia
54 lines
1.6 KiB
Julia
# This file is a part of JuliaFEM.
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# License is MIT: see https://github.com/JuliaFEM/JuliaFEM.jl/blob/master/LICENSE.md
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using JuliaFEM
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using JuliaFEM.Testing
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@testset "inverse isoparametric mapping" begin
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el = Element(Quad4, [1, 2, 3, 4])
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X = Dict{Int64, Vector{Float64}}(
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1 => [0.0, 0.0],
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2 => [1.0, 0.0],
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3 => [1.0, 1.0],
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4 => [0.0, 1.0])
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update!(el, "geometry", X)
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time = 0.0
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X1 = el("geometry", [0.1, 0.2], time)
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xi = get_local_coordinates(el, X1, time)
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X2 = el("geometry", xi, time)
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info("X1 = $X1, X2 = $X2")
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@test isapprox(X1, X2)
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end
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@testset "inside of linear element" begin
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el = Element(Quad4, [1, 2, 3, 4])
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X = Dict{Int64, Vector{Float64}}(
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1 => [0.0, 0.0],
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2 => [1.0, 0.0],
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3 => [1.0, 1.0],
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4 => [0.0, 1.0])
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update!(el, "geometry", X)
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time = 0.0
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@test inside(el, [0.5, 0.5], time) == true
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@test inside(el, [1.0, 0.5], time) == true
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@test inside(el, [1.0, 1.0], time) == true
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@test inside(el, [1.01, 1.0], time) == false
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@test inside(el, [1.0, 1.01], time) == false
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end
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@testset "inside of quadratic element" begin
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el = Element(Tri6, [1, 2, 3, 4, 5, 6])
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X = Dict{Int64, Vector{Float64}}(
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1 => [0.0, 0.0],
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2 => [1.0, 0.0],
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3 => [0.0, 1.0],
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4 => [0.5, 0.2],
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5 => [0.8, 0.6],
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6 => [-0.2, 0.5])
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update!(el, "geometry", X)
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p = [0.94, 0.3] # visually checked to be inside
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@test inside(el, p, 0.0) == true
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p = [-0.2, 0.8] # visually checked to be outside
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@test inside(el, p, 0.0) == false
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end
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