mirror of
https://github.com/JuliaFEM/JuliaFEM.jl.git
synced 2026-09-18 09:41:31 +00:00
Jukka Aho
29 lines
1000 B
Julia
29 lines
1000 B
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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module ElasticityTests
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using JuliaFEM.Test
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using JuliaFEM: Quad4, Field, FieldSet, CPS4, get_basis, solve!, PlaneStressElasticityProblem
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function test_elasticity_one_element()
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element = Quad4([1, 2, 3, 4])
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element["geometry"] = Vector[[0.0, 0.0], [10.0, 0.0], [10.0, 1.0], [0.0, 1.0]]
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element["youngs modulus"] = 500.0
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element["poissons ratio"] = 0.3
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element["displacement load"] = Vector[[0.0, -10.0], [0.0, -10.0], [0.0, -10.0], [0.0, -10.0]]
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equation = CPS4(element)
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free_dofs = [3, 4, 5, 6]
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problem = PlaneStressElasticityProblem([equation])
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solve!(problem, free_dofs; max_iterations=10)
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#solve!(equation, "displacement", free_dofs; max_iterations=10)
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disp = get_basis(element)("displacement", [1.0, 1.0])[2]
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info("displacement at tip: $disp")
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# verified using Code Aster.
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@test disp ≈ -8.77303119819776
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end
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end
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