mirror of
https://github.com/JuliaFEM/JuliaFEM.jl.git
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82 lines
3.3 KiB
Julia
82 lines
3.3 KiB
Julia
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# 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, LinearAlgebra, Test
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# compare simple 3d heat problem to code aster solution
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fn = @__DIR__() * "/testdata/rod_short.med"
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mesh = aster_read_mesh(fn, "Hex8")
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element_sets = join(keys(mesh.element_sets), ", ")
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@debug("element sets: $element_sets")
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problem = Problem(Heat, "rod", 1)
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volume = create_elements(mesh, "ROD")
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face2 = create_elements(mesh, "FACE2")
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face3 = create_elements(mesh, "FACE3")
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face4 = create_elements(mesh, "FACE4")
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face5 = create_elements(mesh, "FACE5")
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face6 = create_elements(mesh, "FACE6")
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update!(volume, "thermal conductivity", 50.0)
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update!(face2, "external temperature", 20.0)
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update!(face2, "heat transfer coefficient", 60.0)
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update!(face3, "external temperature", 30.0)
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update!(face3, "heat transfer coefficient", 50.0)
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update!(face4, "external temperature", 40.0)
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update!(face4, "heat transfer coefficient", 40.0)
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update!(face5, "external temperature", 50.0)
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update!(face5, "heat transfer coefficient", 30.0)
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update!(face6, "external temperature", 60.0)
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update!(face6, "heat transfer coefficient", 20.0)
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add_elements!(problem, volume, face2, face3, face4, face5, face6)
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bc = Problem(Dirichlet, "left support T=100", 1, "temperature")
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bc_elements = create_elements(mesh, "FACE1")
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update!(bc_elements, "temperature 1", 100.0)
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add_elements!(bc, bc_elements)
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analysis = Analysis(Linear)
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add_problems!(analysis, problem, bc)
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run!(analysis)
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# fields extracted from Code Aster .resu file
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temp_ca = Dict(
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1 => 1.00000000000000E+02,
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2 => 1.00000000000000E+02,
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3 => 1.00000000000000E+02,
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4 => 1.00000000000000E+02,
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5 => 3.01613322896279E+01,
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6 => 3.01263406641066E+01,
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7 => 3.02559777927923E+01,
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8 => 3.02209215997131E+01)
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FLUX_ELGA = Dict(
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1 => [1.74565160615448E+04, -9.99903237329079E+01, -3.69874201221677E+01],
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2 => [1.74565160615448E+04, -3.73168968436642E+02, -1.38038931136833E+02],
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3 => [1.74428571293096E+04, -9.99903237329079E+01, -3.70268090662933E+01],
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4 => [1.74428571293096E+04, -3.73168968436642E+02, -1.38185932677561E+02],
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5 => [1.74615686370955E+04, -9.99509347888079E+01, -3.69874201221677E+01],
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6 => [1.74615686370955E+04, -3.73021966895897E+02, -1.38038931136833E+02],
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7 => [1.74479150854902E+04, -9.99509347888065E+01, -3.70268090662933E+01],
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8 => [1.74479150854901E+04, -3.73021966895874E+02, -1.38185932677561E+02])
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FLUX_NOEU = Dict(
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1 => [1.74596669275930E+04, 7.55555618070503E-11, 3.68594044175552E-12],
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2 => [1.74684148339734E+04, 1.10418341137120E-11, 3.48876483258209E-12],
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3 => [1.74360055518019E+04, 7.91828824731056E-11, 1.95399252334028E-13],
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4 => [1.74447696000717E+04, -3.49587025993969E-12, 3.55271367880050E-13],
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5 => [1.74596669275931E+04, -4.73227515822099E+02, -1.74958127606525E+02],
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6 => [1.74684148339733E+04, -4.72904678032251E+02, -1.74958127606524E+02],
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7 => [1.74360055518019E+04, -4.73227515822118E+02, -1.75280965396335E+02],
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8 => [1.74447696000717E+04, -4.72904678032179E+02, -1.75280965396335E+02])
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time = 0.0
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temp_jf = problem("temperature", time)
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@debug("Temperature comparison between JuliaFEM and Code Aster for 3D model",
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temp_ca, temp_jf)
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T1 = [temp_ca[i] for i in 1:8]
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T2 = [temp_jf[i] for i in 1:8]
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@test isapprox(T1, T2; rtol=1.0e-9)
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