mirror of
https://github.com/JuliaFEM/JuliaFEM.jl.git
synced 2026-09-21 02:18:56 +00:00
Jukka Aho
358f7701d4
Changes to test/test_elasticity_1d.jl: - Changed sqrt(3)/2 to sqrt(3) / 2 (added spaces around /) - Improves code readability and follows Julia style conventions - No functional change, formatting only
32 lines
1.1 KiB
Julia
32 lines
1.1 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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# 1d strain
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# Global node data (Dict format for backward compatibility in tests)
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X_global = Dict(1 => [0.0, 0.0, 0.0], 2 => [1.0, 1.0, 1.0])
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u_global = Dict(1 => [0.0, 0.0, 0.0], 2 => [1.0, 1.0, 1.0])
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# Convert to element-local format (extract data for element nodes)
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connectivity = (1, 2)
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X = tuple([X_global[i] for i in connectivity]...)
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u = tuple([u_global[i] for i in connectivity]...)
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# Wrap in field objects (DVTI = Discrete, Variable, Time-Invariant)
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X_field = JuliaFEM.DVTI(X)
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u_field = JuliaFEM.DVTI(u)
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# Create element with fields at construction (immutable pattern)
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element = Element(Seg2, connectivity; fields=(geometry=X_field, displacement=u_field))
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xi, time = (0.0,), 0.0
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detJ = element(xi, time, Val{:detJ})
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J = element(xi, time, Val{:Jacobian})
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# gradu = element("displacement", xi, time, Val{:Grad})
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@debug("1d seg2 info", xi, time, detJ, J)
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@test isapprox(detJ, sqrt(3) / 2)
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# Jacobian is 3×1 (physical_dim × parametric_dim) for 1D element in 3D
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@test isapprox(J, [0.5; 0.5; 0.5]) # column vector
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