mirror of
https://github.com/JuliaFEM/JuliaFEM.jl.git
synced 2026-08-06 04:21:33 +00:00
Jukka Aho
93 lines
2.7 KiB
Julia
93 lines
2.7 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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using DataFrames
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@testset "two increments, linear solver" begin
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X = Dict{Int, 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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element = Element(Quad4, [1, 2, 3, 4])
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update!(element, "geometry", X)
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update!(element, "temperature thermal conductivity", 6.0)
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update!(element, "temperature load", 0.0 => 12.0)
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update!(element, "temperature load", 1.0 => 24.0)
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problem = Problem(Heat, "one element heat problem", 1)
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problem.properties.formulation = "2D"
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push!(problem, element)
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boundary_element = Element(Seg2, [1, 2])
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update!(boundary_element, "geometry", X)
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update!(boundary_element, "temperature 1", 0.0)
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bc = Problem(Dirichlet, "fixed", 1, "temperature")
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push!(bc, boundary_element)
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solver = Solver(Linear, problem, bc)
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solver.time = 0.0
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empty!(problem.assembly)
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solver()
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@test isapprox(solver("temperature", 0.0)[3], 1.0)
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empty!(problem.assembly)
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solver()
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@test isapprox(solver("temperature", 0.0)[3], 1.0)
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solver.time = 1.0
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empty!(problem.assembly)
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solver()
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@test isapprox(solver("temperature", 1.0)[3], 2.0)
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empty!(problem.assembly)
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solver()
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@test isapprox(solver("temperature", 1.0)[3], 2.0)
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end
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@testset "two increments, nonlinear solver" begin
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X = Dict{Int, 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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element = Element(Quad4, [1, 2, 3, 4])
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update!(element, "geometry", X)
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update!(element, "temperature thermal conductivity", 6.0)
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update!(element, "temperature load", 0.0 => 12.0)
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update!(element, "temperature load", 1.0 => 24.0)
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problem = Problem(Heat, "one element heat problem", 1)
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problem.properties.formulation = "2D"
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push!(problem, element)
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boundary_element = Element(Seg2, [1, 2])
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update!(boundary_element, "geometry", X)
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update!(boundary_element, "temperature 1", 0.0)
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bc = Problem(Dirichlet, "fixed", 1, "temperature")
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push!(bc, boundary_element)
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solver = Solver(Nonlinear, problem, bc)
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solver.time = 0.0
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empty!(problem.assembly)
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solver()
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@test isapprox(solver("temperature", 0.0)[3], 1.0)
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empty!(problem.assembly)
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solver()
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@test isapprox(solver("temperature", 0.0)[3], 1.0)
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solver.time = 1.0
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empty!(problem.assembly)
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solver()
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@test isapprox(solver("temperature", 1.0)[3], 2.0)
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empty!(problem.assembly)
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solver()
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@test isapprox(solver("temperature", 1.0)[3], 2.0)
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end
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