Merge pull request #25 from JuliaFEM/uniaxial

Adding uniaxial_increment! testing to ensure Materials.jl compatibility.

Author: TeroFrondelius

test/runtests.jl

@@ -14,7 +14,8 @@ eps = 1.e-12
     include("test_binary_dependencies.jl")
     if Sys.islinux()
         @testset "Norton model" begin include("test_norton_model.jl") end
-        include("test_show_methods.jl")
+
+        @testset "show methods" begin include("test_show_methods.jl") end
 
         @testset "test MFront ideal plastic material model" begin
         include("test_isotropic_linear_hardening_plasticity.jl")
@@ -30,6 +31,10 @@ eps = 1.e-12
 
         @testset "test MFront together with JuAFEM" begin
         include("test_mfront_juafem_3dbeam.jl")
+
+        @testset "test plasticity with uniaxial_increment!" begin
+        include("test_vonmises_uniaxial.jl")
+        end
         end
     end
 end

test/test_show_methods.jl

@@ -1,20 +1,23 @@
-@testset "show methods" begin
-    b = load("test_show_methods/libBehaviour.so","Norton",mbv.Tridimensional)
-    BehaviourAllocated_out = @capture_out show(b)
-    BehaviourAllocated_expected = "behaviour Norton in shared library test_show_methods/libBehaviour.so for modelling hypothesis Tridimensional generated from Norton.mfront using TFEL version: 3.3.0-dev."
-    @test BehaviourAllocated_out == BehaviourAllocated_expected
+using MFrontInterface
+using DelimitedFiles
+using Suppressor
+using Test
 
-    d = BehaviourData(b)
-    RealsVectorRef_out = @capture_out show(get_internal_state_variables(get_initial_state(d)))
-    RealsVectorRef_expected = "7-element RealsVector\n 0.0\n 0.0\n 0.0\n 0.0\n 0.0\n 0.0\n 0.0\n"
-    @test RealsVectorRef_expected == RealsVectorRef_out
+b = load("test_show_methods/libBehaviour.so","Norton",mbv.Tridimensional)
+BehaviourAllocated_out = @capture_out show(b)
+BehaviourAllocated_expected = "behaviour Norton in shared library test_show_methods/libBehaviour.so for modelling hypothesis Tridimensional generated from Norton.mfront using TFEL version: 3.3.0-dev."
+@test BehaviourAllocated_out == BehaviourAllocated_expected
 
-    StringsVectorAllocated_out = @capture_out show(get_parameters(b))
-    StringsVectorAllocated_expected = "11-element StringsVector\n epsilon\n YoungModulus\n PoissonRatio\n RelativeValueForTheEquivalentStressLowerBoundDefinition\n K\n E\n A\n minimal_time_step_scaling_factor\n maximal_time_step_scaling_factor\n theta\n numerical_jacobian_epsilon\n"
-    @test StringsVectorAllocated_expected == StringsVectorAllocated_out
+d = BehaviourData(b)
+RealsVectorRef_out = @capture_out show(get_internal_state_variables(get_initial_state(d)))
+RealsVectorRef_expected = "7-element RealsVector\n 0.0\n 0.0\n 0.0\n 0.0\n 0.0\n 0.0\n 0.0\n"
+@test RealsVectorRef_expected == RealsVectorRef_out
 
-    set_external_state_variable!(get_final_state(d), "Temperature", 293.15)
-    VariablesVectorAllocated_out = @capture_out show(get_external_state_variables(b))
-    VariablesVectorAllocated_expected = "1-element VariablesVector\n Temperature\n"
-    @test VariablesVectorAllocated_expected == VariablesVectorAllocated_out
-end
+StringsVectorAllocated_out = @capture_out show(get_parameters(b))
+StringsVectorAllocated_expected = "11-element StringsVector\n epsilon\n YoungModulus\n PoissonRatio\n RelativeValueForTheEquivalentStressLowerBoundDefinition\n K\n E\n A\n minimal_time_step_scaling_factor\n maximal_time_step_scaling_factor\n theta\n numerical_jacobian_epsilon\n"
+@test StringsVectorAllocated_expected == StringsVectorAllocated_out
+
+set_external_state_variable!(get_final_state(d), "Temperature", 293.15)
+VariablesVectorAllocated_out = @capture_out show(get_external_state_variables(b))
+VariablesVectorAllocated_expected = "1-element VariablesVector\n Temperature\n"
+@test VariablesVectorAllocated_expected == VariablesVectorAllocated_out

test/test_vonmises_uniaxial.jl

@@ -0,0 +1,51 @@
+using MFrontInterface
+using Materials
+using DelimitedFiles
+using Suppressor
+using Tensors
+using Test
+
+dtime = 0.25
+mgis_bv = MFrontInterface.behaviour
+
+function MaterialTest()
+    lib_path = "test_plasticity/libBehaviour.so"
+    behaviour_name = "IsotropicLinearHardeningPlasticity"
+    hypothesis = mgis_bv.Tridimensional
+
+    behaviour = load(lib_path, behaviour_name, hypothesis)
+    behaviour_data = BehaviourData(behaviour)
+
+    ext_variable_names = [mgis_bv.get_name(mgis_bv.get_external_state_variables(behaviour)[i]) for i in 1:mgis_bv.length(mgis_bv.get_external_state_variables(behaviour))]
+    ext_variable_values = zeros(length(ext_variable_names))
+    ext_vatiable_state = MFrontExternalVariableState(names=ext_variable_names, values=ext_variable_values)
+
+    return MFrontMaterial(behaviour=behaviour, behaviour_data=behaviour_data, external_variables=ext_vatiable_state)
+end
+
+mat = MaterialTest()
+
+times = [mat.drivers.time]
+stresses = [copy(tovoigt(mat.variables.stress))]
+stresses_expected = [[50.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+                     [100.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+                     [150.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+                     [100.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+                     [-100.0, 0.0, 0.0, 0.0, 0.0, 0.0]]
+dstrain11 = 1e-9*dtime
+strains_expected = [[dstrain11, -0.3*dstrain11, -0.3*dstrain11, 0.0, 0.0, 0.0],
+                    [2*dstrain11, -0.3*dstrain11*2, -0.3*dstrain11*2, 0.0, 0.0, 0.0],
+                    [3*dstrain11, -0.3*dstrain11*2 - 0.3*dstrain11, -0.3*dstrain11*2 - 0.3*dstrain11, 0.0, 0.0, 0.0],
+                    [2*dstrain11, -0.3*dstrain11 - 0.3*dstrain11, -0.3*dstrain11 - 0.3*dstrain11, 0.0, 0.0, 0.0],
+                    [-2*dstrain11, 0.3*dstrain11*2, 0.3*dstrain11*2, 0.0, 0.0, 0.0]]
+dtimes = [dtime, dtime, dtime, dtime, 1.0]
+dstrains11 = [dstrain11, dstrain11, dstrain11, -dstrain11, -4*dstrain11]
+for i in 1:length(dtimes)
+    dstrain11 = dstrains11[i]
+    dtime = dtimes[i]
+    uniaxial_increment!(mat, dstrain11, dtime)
+    update_material!(mat)
+    @test isapprox(tovoigt(mat.variables.stress), stresses_expected[i])
+    #@info(tovoigt(mat.drivers.strain; offdiagscale=2.0), strains_expected[i])
+    @test isapprox(tovoigt(mat.drivers.strain; offdiagscale=2.0), strains_expected[i])
+end