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https://github.com/JuliaFEM/JuliaFEM.jl.git
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Jukka Aho
b5772b141b
New 98-line test file included in main test/runtests.jl: - Tests GlobalMaterialCache construction for stateless and stateful materials - Tests state access and update operations (get_state, set_state!, update_cache!, reset_cache!) - Tests state variable helpers (get_state_variable, set_state_variable) - Tests integration with material traits (create_global_material_cache) - Validates cache structure and state management for time-dependent materials Ensures material cache system works correctly for storing state variables at integration points.
99 lines
3.5 KiB
Julia
99 lines
3.5 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 Test
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using JuliaFEM
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using Tensors
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@testset "Global Material Cache" begin
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@testset "Basic construction" begin
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# Test stateless material
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mat = LinearElastic(E=210e9, ν=0.3)
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cache = create_global_material_cache(mat, n_ips=4, n_elems=10)
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@test cache isa GlobalMaterialCache
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@test size(cache.states) == (4, 10)
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@test size(cache.states_old) == (4, 10)
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# All states should be empty NamedTuple for stateless
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for elem_id in 1:10, ip in 1:4
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@test get_state(cache, ip, elem_id) === NamedTuple()
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@test get_old_state(cache, ip, elem_id) === NamedTuple()
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end
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end
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@testset "State access and update" begin
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# Create a simple stateful cache
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StateType = NamedTuple{(:κ,), Tuple{Float64}}
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cache = GlobalMaterialCache{StateType}(2, 3) # 2 IPs, 3 elements
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# Test initial zeros
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@test get_state(cache, 1, 1).κ == 0.0
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@test get_state(cache, 2, 3).κ == 0.0
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# Set a state
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set_state!(cache, 1, 2, (κ=0.5,))
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@test get_state(cache, 1, 2).κ == 0.5
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@test get_old_state(cache, 1, 2).κ == 0.0 # Old unchanged
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# Update cache (copy current → old)
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update_cache!(cache)
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@test get_old_state(cache, 1, 2).κ == 0.5 # Now matches current
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# Modify current
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set_state!(cache, 1, 2, (κ=0.8,))
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@test get_state(cache, 1, 2).κ == 0.8
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@test get_old_state(cache, 1, 2).κ == 0.5 # Still from previous step
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# Reset
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reset_cache!(cache)
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@test get_state(cache, 1, 2).κ == 0.0
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@test get_old_state(cache, 1, 2).κ == 0.0
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end
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@testset "State variable helpers" begin
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# Create cache with plasticity-like state
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StateType = NamedTuple{(:ε_p, :α, :κ), Tuple{SymmetricTensor{2,3,Float64,6}, SymmetricTensor{2,3,Float64,6}, Float64}}
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cache = GlobalMaterialCache{StateType}(1, 1)
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# Set a complex state
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ε_p_val = SymmetricTensor{2,3}((0.001, 0.0, 0.0, 0.0, 0.0, 0.0))
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α_val = SymmetricTensor{2,3}((100e6, 0.0, 0.0, 0.0, 0.0, 0.0))
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κ_val = 0.01
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state = (ε_p=ε_p_val, α=α_val, κ=κ_val)
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set_state!(cache, 1, 1, state)
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# Get state and extract variables
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retrieved_state = get_state(cache, 1, 1)
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extracted_ε_p = get_state_variable(retrieved_state, PlasticStrain)
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extracted_α = get_state_variable(retrieved_state, Backstress)
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extracted_κ = get_state_variable(retrieved_state, EquivalentPlasticStrain)
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@test extracted_ε_p == ε_p_val
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@test extracted_α == α_val
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@test extracted_κ == κ_val
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# Test immutable update
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new_κ = 0.02
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new_state = set_state_variable(retrieved_state, EquivalentPlasticStrain, new_κ)
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@test new_state.κ == new_κ
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@test new_state.ε_p == ε_p_val # Unchanged
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@test new_state.α == α_val # Unchanged
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# Original unchanged (immutable)
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@test retrieved_state.κ == κ_val
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end
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@testset "Integration with traits" begin
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# Verify that cache creation uses material traits correctly
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mat = LinearElastic(E=210e9, ν=0.3)
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# Material should be stateless
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@test required_state_variables(mat) === ()
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# Cache should be empty
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cache = create_global_material_cache(mat, n_ips=2, n_elems=5)
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@test cache isa GlobalMaterialCache{NamedTuple{(),Tuple{}}}
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end
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end
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