mirror of
https://github.com/JuliaFEM/JuliaFEM.jl.git
synced 2026-09-28 20:46:58 +00:00
Kristoffer Carlsson
62 lines
1.7 KiB
Julia
62 lines
1.7 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, Test
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X = Dict(1 => [0.0,0.0], 2 => [1.0,0.0], 3 => [1.0,1.0], 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, "thermal conductivity", 6.0)
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update!(element, "heat source", 0.0 => 12.0)
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update!(element, "heat source", 1.0 => 24.0)
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problem = Problem(PlaneHeat, "one element heat problem", 1)
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add_element!(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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add_element!(bc, boundary_element)
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analysis = Analysis(Linear)
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add_problems!(analysis, problem, bc)
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# two increments, linear solver
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run!(analysis)
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@test isapprox(analysis("temperature", 0.0)[3], 1.0)
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empty!(problem.assembly)
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run!(analysis)
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@test isapprox(analysis("temperature", 0.0)[3], 1.0)
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empty!(problem.assembly)
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analysis.properties.time = 1.0
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run!(analysis)
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@test isapprox(analysis("temperature", 1.0)[3], 2.0)
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empty!(problem.assembly)
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run!(analysis)
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@test isapprox(analysis("temperature", 1.0)[3], 2.0)
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# two increments, nonlinear solver
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delete!(element.fields, "temperature")
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analysis = Analysis(Nonlinear)
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add_problems!(analysis, problem, bc)
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empty!(problem.assembly)
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run!(analysis)
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@test isapprox(analysis("temperature", 0.0)[3], 1.0)
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empty!(problem.assembly)
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run!(analysis)
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@test isapprox(analysis("temperature", 0.0)[3], 1.0)
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empty!(problem.assembly)
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analysis.properties.time = 1.0
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run!(analysis)
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@test isapprox(analysis("temperature", 1.0)[3], 2.0)
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empty!(problem.assembly)
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run!(analysis)
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@test isapprox(analysis("temperature", 1.0)[3], 2.0)
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