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Jukka Aho
43 lines
1.3 KiB
Julia
43 lines
1.3 KiB
Julia
# SPDX-FileCopyrightText: 2015-2026 Jukka Aho
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# SPDX-License-Identifier: MIT
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using Test
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using LinearAlgebra
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using JuliaFEM
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@testset "Material element lab (symmetric uniaxial Hex8 coupon)" begin
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L = 1.0
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mesh = material_lab_single_hex8_brick(; L = L)
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@test nelements(mesh) == 1
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S = @DOFSet{u::DOF{Displacement{3}, Vertex}}
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elements, handler = create_elements!(mesh, Element{Hex8, Lagrange{1}, S})
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δx = 1.0e-4
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E = 210e9
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ν = 0.3
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u = material_lab_linear_elastic_uniaxial_solve(mesh, handler, elements, E, ν, δx)
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@test all(isfinite, u)
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for nid in get_nodes_in_set(mesh, :xmax)
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ud = get_node_dofs(handler, Int(nid))
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@test u[ud[1]] ≈ δx rtol = 1e-8 atol = 1e-12
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end
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for nid in get_nodes_in_set(mesh, :xmin)
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ud = get_node_dofs(handler, Int(nid))
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@test abs(u[ud[1]]) < 1e-12
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end
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for nid in get_nodes_in_set(mesh, :ymin)
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ud = get_node_dofs(handler, Int(nid))
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@test abs(u[ud[2]]) < 1e-12
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end
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for nid in get_nodes_in_set(mesh, :zmin)
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ud = get_node_dofs(handler, Int(nid))
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@test abs(u[ud[3]]) < 1e-12
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end
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bc = hex8_symmetric_uniaxial_eliminated_dirichlet(mesh, handler, δx)
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@test bc isa EliminatedDirichlet
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@test length(bc.fixed_dofs) == length(bc.values)
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end
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