BlackBear Requirement Traceability Matrix

Introduction

The Requirement Traceability Matrix (RTM) for BlackBear captures all requirements and maps each to the associated design documentation and associated test case.

Dependencies

The BlackBear application is developed using MOOSE and is based on various modules, as such the RTM for BlackBear is dependent upon the following documents.

Requirements

The following is a complete list for all the functional requirements including links to the design documents and test cases for BlackBear.

Functional Requirements

blackbear: Concrete Asr Swelling
9.1.1
Blackbear shall solve coupled systems of equations for heat and moisure transfer and mechanical deformation in concrete, used as inputs for modeling expansion induced by alkali-silica reaction, as demonstrated by simulating a concrete cylinder confined by a steel jacket
1. with anisotropic expansion strains,
2. with isotropic expansion strains,
3. and with a mesh that captures a larger axial region of the cylinder.
Specification(s): ASR_swelling/test_strip, ASR_swelling/test_strip_isotropic, ASR_swelling/test_full
Design: ConcreteThermalMoisture Concrete ASR Microcracking Damage Concrete ASR Eigenstrain
Issue(s): #91
Collection(s): FUNCTIONAL
Type(s): Exodiff
1 2 2

blackbear: Concrete Asr Validation
9.2.1
Blackbear shall model the expansion induced by alkali-silica reaction as demonstrated with
1. a comparison of the ASR volumetric strain to an analytic function,
2. a maximum volumetric expansion of 0.76e-3, characteristic time of 66.84, and latency time of -126.1,
3. and a maximum volumetric expansion of 0.38e-3, characteristic time of 17.24, and latency time of -2.55.
Specification(s): ASRtest/case1, ASRtest/case2, ASRtest/case3
Design: Concrete ASR Eigenstrain
Issue(s): #89
Collection(s): FUNCTIONAL
Type(s): Exodiff
2 2 2

blackbear: Concrete Anisotropic Eigenstrain
9.3.1
BlackBear shall represent anisotropic volumetric expansion in concrete due to alkali-silica reaction and related phenomena as demonstrated by computing the expansion of a unit cube with a prescribed expansion function in the three coordinate directions
1. under free expansion conditions,
2. with a 5 MPa compressive pressure in the x direction,
3. with a 10 MPa compressive pressure in the x direction,
4. with 5 MPa compressive pressure in the x and y directions,
5. with 10 MPa compressive pressure in the x and y directions,
6. with 5 MPa compressive pressure in the x, y, and z directions,
7. and with 10 MPa compressive pressure in the x, y, and z directions.
Specification(s): concrete_anisotropic_eigenstrain/concrete_free_expansion, concrete_anisotropic_eigenstrain/concrete_expansion_load_5, concrete_anisotropic_eigenstrain/concrete_expansion_load_10, concrete_anisotropic_eigenstrain/concrete_expansion_load_5_5, concrete_anisotropic_eigenstrain/concrete_expansion_load_10_10, concrete_anisotropic_eigenstrain/concrete_expansion_load_5_5_5, concrete_anisotropic_eigenstrain/concrete_expansion_load_10_10_10
Design: Concrete ASR Eigenstrain
Issue(s): #59
Collection(s): FUNCTIONAL
Type(s): CSVDiff
2 2 2 2 2 2 2

blackbear: Concrete Drying Shrinkage
9.4.1
BlackBear shall compute drying shrinkage of concrete
1. with an exponent of 1,
2. with an exponent of 2,
3. and with an irreversibility threshold of 0.2.
Specification(s): concrete_drying_shrinkage/shrinkage, concrete_drying_shrinkage/shrinkage_quad, concrete_drying_shrinkage/shrinkage_irreversible
Design: ConcreteDryingShrinkage
Issue(s): #9
Collection(s): FUNCTIONAL
Type(s): Exodiff
2 2 2

blackbear: Concrete Expansion Microcracking
9.5.1
BlackBear shall represent damage in concrete due to alkali-silica reaction and related phenomena with anisotropy accounted for via the damage model as demonstrated by computing the expansion of a unit cube with a prescribed expansion function in the three coordinate directions
1. under free expansion conditions,
2. under free shrinkage conditions,
3. with a 5 MPa compressive pressure in the x direction,
4. with a 10 MPa compressive pressure in the x direction,
5. with a 5 MPa compressive pressure in the x and y directions,
6. with a 10 MPa compressive pressure in the x and y directions,
7. with a 5 MPa compressive pressure in the x, y, and z directions,
8. and with a 10 MPa compressive pressure in the x, y, and z directions.
Specification(s): concrete_expansion_microcracking/concrete_free_expansion, concrete_expansion_microcracking/concrete_free_shrinkage, concrete_expansion_microcracking/concrete_expansion_load_5, concrete_expansion_microcracking/concrete_expansion_load_10, concrete_expansion_microcracking/concrete_expansion_load_5_5, concrete_expansion_microcracking/concrete_expansion_load_10_10, concrete_expansion_microcracking/concrete_expansion_load_5_5_5, concrete_expansion_microcracking/concrete_expansion_load_10_10_10
Design: Concrete Expansion Microcracking Damage
Issue(s): #43
Collection(s): FUNCTIONAL
Type(s): CSVDiff
2 2 2 2 2 2 2 2
9.5.2The ConcreteExpansionMicrocrackingDamage model shall generate an error if used with a material that is not guaranteed isotropic
Specification(s): concrete_microcracking_damage_isotropic_error
Design: Concrete Expansion Microcracking Damage
Issue(s): #43
Collection(s): FAILURE_ANALYSISFUNCTIONAL
Type(s): RunException
2

blackbear: Concrete Logcreep
9.6.1
BlackBear shall compute logarithmic viscoelastic behavior of concrete
1. under standard conditions,
2. under drying conditions,
3. under low relative humidity,
4. without recoverable creep,
5. and at high temperature.
Specification(s): concrete_logcreep/concrete_logcreep_standard, concrete_logcreep/concrete_logcreep_drying, concrete_logcreep/concrete_logcreep_humidity, concrete_logcreep/concrete_logcreep_norec, concrete_logcreep/concrete_logcreep_temp
Design: ConcreteLogarithmicCreepModel
Issue(s): #9
Collection(s): FUNCTIONAL
Type(s): Exodiff
2 2 2 2 2

blackbear: Concrete Moisture Heat Transfer
9.7.1Blackbear shall model heat transfer and moisture transport in concrete, producing results from a 1D axisymmetric simulation that are comparable to those obtained in the MAQBETH experiment.
Specification(s): maqbeth
Design: ConcreteThermalMoisture
Issue(s): #91
Collection(s): FUNCTIONAL
Type(s): Exodiff
2
9.7.2
Blackbear shall compute material properties for thermal transport in concrete
1. using the Kodur 2004 model,
2. using the ASCE 1992 model,
3. and using the Eurocode 2004 model.
Specification(s): thermal_properties/kodur_2004, thermal_properties/asce_1992, thermal_properties/eurocode_2004
Design: ConcreteThermalMoisture
Issue(s): #91
Collection(s): FUNCTIONAL
Type(s): CSVDiff
2 2 2
9.7.3
Blackbear shall compute material properties for moisture transport in concrete
1. using the Bazant model,
2. and using the Mensi model
Specification(s): moisture_properties/bazant, moisture_properties/mensi
Design: ConcreteThermalMoisture
Issue(s): #91
Collection(s): FUNCTIONAL
Type(s): CSVDiff
2 2

blackbear: Mazars Damage
9.8.1
BlackBear shall provide the Mazars model for scalar damage of concrete, predicting the correct response of a unit cube loaded
1. in tension
2. and in compression.
Specification(s): mazars_damage/mazars_tension, mazars_damage/mazars_compression
Design: Mazars Damage
Issue(s): #24
Collection(s): FUNCTIONAL
Type(s): Exodiff
2 2
9.8.2The MazarsDamage model shall generate an error if used with a material that is not guaranteed isotropic
Specification(s): mazars_damage_isotropic_error
Design: Mazars Damage
Issue(s): #24
Collection(s): FAILURE_ANALYSISFUNCTIONAL
Type(s): RunException
2

blackbear: Mazars Tensile Bar
9.9.1BlackBear shall provide the Mazars scalar damage model for concrete, correctly predicting the response of a multi-element concrete bar loaded in tension
Specification(s): tensile_bar
Design: Mazars Damage
Issue(s): #24
Collection(s): FUNCTIONAL
Type(s): Exodiff
2

blackbear: Neml Benchmark
9.10.1Blackbear shall be capable of running a TM model with inelastic material exhibiting linear strain hardening.
Specification(s): neml_LSH
Design: NEML Stress
Issue(s): #59
Collection(s): FUNCTIONAL
Type(s): CSVDiff
2
9.10.2Blackbear shall be capable of using the NEML library to simulate an inelastic material exhibiting linear strain hardening.
Specification(s): TM_LSH
Design: NEML Stress
Issue(s): #59
Collection(s): FUNCTIONAL
Type(s): CSVDiff
2
9.10.3Blackbear shall be capable of running a TM model with inelastic material exhibiting power law creep behavior.
Specification(s): test5a_lim
Design: NEML Stress
Issue(s): #59
Collection(s): FUNCTIONAL
Type(s): CSVDiff
2
9.10.4Blackbear shall be capable of using the NEML library to simulate an inelastic material exhibiting power law creep behavior.
Specification(s): test5a_lim_neml
Design: NEML Stress
Issue(s): #59
Collection(s): FUNCTIONAL
Type(s): CSVDiff
2

blackbear: Neml Complex
9.11.1BlackBear shall be capable of using the NEML library to compute the response of an inelastic material
Specification(s): neml_inelastic
Design: NEML Stress
Issue(s): #59
Collection(s): FUNCTIONAL
Type(s): CSVDiff
2
9.11.2BlackBear shall be capable of using a timestep limit computed by the NEML coupling material
Specification(s): neml_inelastic_dt
Design: NEML Stress
Issue(s): #169
Collection(s): FUNCTIONAL
Type(s): CSVDiff
2

blackbear: Neml Simple
9.12.2BlackBear shall be capable of using the NEML library to compute the response of a linearly elastic material parsed from xml. Parameters defined in the xml can be overwritten by variables in the input file.
Specification(s): neml_linear_elastic_variableOverwrite
Design: NEML Stress
Issue(s): #59
Collection(s): FUNCTIONAL
Type(s): CSVDiff
2
9.12.3BlackBear shall be capable of using the NEML library to compute the response of a linearly elastic material defined in a material class
Specification(s): neml_linear_elastic_simpleMaterial
Design: NEML Stress
Issue(s): #78
Collection(s): FUNCTIONAL
Type(s): CSVDiff
2

blackbear: Neml Stochasticsimple
9.13.1BlackBear shall provide the ability to use the NEML library to model material response, and allow for parameters defined in the xml file to be overridden in the BlackBear input file
Specification(s): neml_simple_stochastic
Design: NEML Stress
Issue(s): #78
Collection(s): FUNCTIONAL
Type(s): CSVDiff
2

Usability Requirements

Performance Requirements

System Requirements

blackbear: Neml Simple
9.12.1BlackBear shall be capable of interfacing with the NEML library to compute stress
Specification(s): neml_linear_elastic
Design: NEML Stress
Issue(s): #59
Collection(s): SYSTEM
Type(s): CSVDiff
2
9.12.4BlackBear shall be capable of interfacing with the NEML library to compute thermal expansion
Specification(s): neml_linear_elastic_thermal
Design: NEML Stress NEML Thermal Expansion Eigenstrain
Issue(s): #59
Collection(s): SYSTEM
Type(s): CSVDiff
2


[test_strip_isotropic]
  type = 'Exodiff'
  input = 'asr_confined.i'
  exodiff = 'asr_confined_strip_isotropic_out.e'
  cli_args = 'Materials/ASR_expansion/expansion_type=Isotropic Outputs/file_base=asr_confined_strip_isotropic_out'
  custom_cmp = 'asr_confined.cmp'
  detail = 'with isotropic expansion strains, '
[]


[test_full]
  type = 'Exodiff'
  input = 'asr_confined.i'
  exodiff = 'asr_confined_out.e'
  max_time = 500
  heavy = true
  cli_args = 'Mesh/file=mesh_contact.e Outputs/file_base=asr_confined_out'
  custom_cmp = 'asr_confined.cmp'
  detail = 'and with a mesh that captures a larger axial region of the cylinder.'
[]


[case1]
  type = 'Exodiff'
  input = 'asr_validation.i'
  exodiff = 'asr_validation_case1_out.e'
  custom_cmp = 'asr_validation.cmp'
  cli_args = 'Outputs/file_base=asr_validation_case1_out Postprocessors/error_ASR/type=ElementL2Error Postprocessors/error_ASR/variable=ASR_vstrain Postprocessors/error_ASR/function=strain_function Postprocessors/error/type=ElementL2Error Postprocessors/error/variable=volumetric_strain Postprocessors/error/function=strain_function'
  detail = 'a comparison of the ASR volumetric strain to an analytic function, '
[]


[case2]
  type = 'Exodiff'
  input = 'asr_validation.i'
  exodiff = 'asr_validation_case2_out.e'
  custom_cmp = 'asr_validation.cmp'
  cli_args = 'Outputs/file_base=asr_validation_case2_out Materials/ASR_expansion/max_volumetric_expansion=0.76e-3 Materials/ASR_expansion/characteristic_time=66.84 Materials/ASR_expansion/latency_time=-126.1'
  detail = 'a maximum volumetric expansion of 0.76e-3, characteristic time of 66.84, and latency time of -126.1, '
[]


[case3]
  type = 'Exodiff'
  input = 'asr_validation.i'
  exodiff = 'asr_validation_case3_out.e'
  custom_cmp = 'asr_validation.cmp'
  cli_args = 'Outputs/file_base=asr_validation_case3_out Materials/ASR_expansion/max_volumetric_expansion=0.38e-3 Materials/ASR_expansion/characteristic_time=17.24 Materials/ASR_expansion/latency_time=-2.55'
  detail = 'and a maximum volumetric expansion of 0.38e-3, characteristic time of 17.24, and latency time of -2.55.'
[]


[concrete_free_expansion]
  type = 'CSVDiff'
  input = 'concrete_anisotropic_eigenstrain.i'
  csvdiff = 'concrete_free_expansion_out.csv'
  abs_zero = 1e-5
  cli_args = 'Outputs/file_base=concrete_free_expansion_out'
  allow_test_objects = True
  detail = 'under free expansion conditions, '
[]


[concrete_expansion_load_5]
  type = 'CSVDiff'
  input = 'concrete_anisotropic_eigenstrain.i'
  csvdiff = 'concrete_expansion_load_5_out.csv'
  abs_zero = 1e-5
  cli_args = 'BCs/load_x/value=-5e6 Outputs/file_base=concrete_expansion_load_5_out'
  allow_test_objects = True
  detail = 'with a 5 MPa compressive pressure in the x direction, '
[]


[concrete_expansion_load_10]
  type = 'CSVDiff'
  input = 'concrete_anisotropic_eigenstrain.i'
  csvdiff = 'concrete_expansion_load_10_out.csv'
  abs_zero = 1e-5
  cli_args = 'BCs/load_x/value=-10e6 Outputs/file_base=concrete_expansion_load_10_out'
  allow_test_objects = True
  detail = 'with a 10 MPa compressive pressure in the x direction, '
[]


[concrete_expansion_load_5_5]
  type = 'CSVDiff'
  input = 'concrete_anisotropic_eigenstrain.i'
  csvdiff = 'concrete_expansion_load_5_5_out.csv'
  abs_zero = 1e-5
  cli_args = 'BCs/load_x/value=-5e6 BCs/load_y/value=-5e6 Outputs/file_base=concrete_expansion_load_5_5_out'
  allow_test_objects = True
  detail = 'with 5 MPa compressive pressure in the x and y directions, '
[]


[concrete_expansion_load_10_10]
  type = 'CSVDiff'
  input = 'concrete_anisotropic_eigenstrain.i'
  csvdiff = 'concrete_expansion_load_10_10_out.csv'
  abs_zero = 1e-6
  cli_args = 'BCs/load_x/value=-10e6 BCs/load_y/value=-10e6 Outputs/file_base=concrete_expansion_load_10_10_out'
  allow_test_objects = True
  detail = 'with 10 MPa compressive pressure in the x and y directions, '
[]


[concrete_expansion_load_5_5_5]
  type = 'CSVDiff'
  input = 'concrete_anisotropic_eigenstrain.i'
  csvdiff = 'concrete_expansion_load_5_5_5_out.csv'
  abs_zero = 1e-6
  cli_args = 'BCs/load_x/value=-5e6 BCs/load_y/value=-5e6 BCs/load_z/value=-5e6 Outputs/file_base=concrete_expansion_load_5_5_5_out'
  allow_test_objects = True
  detail = 'with 5 MPa compressive pressure in the x, y, and z directions, '
[]


[concrete_expansion_load_10_10_10]
  type = 'CSVDiff'
  input = 'concrete_anisotropic_eigenstrain.i'
  csvdiff = 'concrete_expansion_load_10_10_10_out.csv'
  abs_zero = 1e-6
  cli_args = 'BCs/load_x/value=-10e6 BCs/load_y/value=-10e6 BCs/load_z/value=-10e6 Outputs/file_base=concrete_expansion_load_10_10_10_out'
  allow_test_objects = True
  detail = 'and with 10 MPa compressive pressure in the x, y, and z directions.'
[]


[concrete_free_expansion]
  type = 'CSVDiff'
  input = 'concrete_expansion_microcracking.i'
  csvdiff = 'concrete_expansion_microcracking_free_out.csv'
  abs_zero = 1e-5
  cli_args = 'Outputs/file_base=concrete_expansion_microcracking_free_out'
  allow_test_objects = True
  detail = 'under free expansion conditions, '
[]


[concrete_free_shrinkage]
  type = 'CSVDiff'
  input = 'concrete_expansion_microcracking.i'
  csvdiff = 'concrete_expansion_microcracking_shrinkage_out.csv'
  abs_zero = 1e-5
  cli_args = 'Functions/expansion_vs_time/value="-max(0, t - 0.0001)" Materials/microcracking/eigenstrain_factor=-1.0 Outputs/file_base=concrete_expansion_microcracking_shrinkage_out'
  allow_test_objects = True
  detail = 'under free shrinkage conditions, '
[]


[concrete_expansion_load_5]
  type = 'CSVDiff'
  input = 'concrete_expansion_microcracking.i'
  csvdiff = 'concrete_expansion_microcracking_5_out.csv'
  abs_zero = 1e-5
  cli_args = 'BCs/load_x/value=-5e6 Outputs/file_base=concrete_expansion_microcracking_5_out'
  allow_test_objects = True
  detail = 'with a 5 MPa compressive pressure in the x direction, '
[]


[concrete_expansion_load_10]
  type = 'CSVDiff'
  input = 'concrete_expansion_microcracking.i'
  csvdiff = 'concrete_expansion_microcracking_10_out.csv'
  abs_zero = 1e-6
  cli_args = 'BCs/load_x/value=-10e6 Outputs/file_base=concrete_expansion_microcracking_10_out'
  allow_test_objects = True
  detail = 'with a 10 MPa compressive pressure in the x direction, '
[]


[concrete_expansion_load_5_5]
  type = 'CSVDiff'
  input = 'concrete_expansion_microcracking.i'
  csvdiff = 'concrete_expansion_microcracking_5_5_out.csv'
  abs_zero = 1e-6
  cli_args = 'BCs/load_x/value=-5e6 BCs/load_y/value=-5e6 Outputs/file_base=concrete_expansion_microcracking_5_5_out'
  allow_test_objects = True
  detail = 'with a 5 MPa compressive pressure in the x and y directions, '
[]


[concrete_expansion_load_10_10]
  type = 'CSVDiff'
  input = 'concrete_expansion_microcracking.i'
  csvdiff = 'concrete_expansion_microcracking_10_10_out.csv'
  abs_zero = 1e-6
  cli_args = 'BCs/load_x/value=-10e6 BCs/load_y/value=-10e6 Outputs/file_base=concrete_expansion_microcracking_10_10_out'
  allow_test_objects = True
  detail = 'with a 10 MPa compressive pressure in the x and y directions, '
[]


[concrete_expansion_load_5_5_5]
  type = 'CSVDiff'
  input = 'concrete_expansion_microcracking.i'
  csvdiff = 'concrete_expansion_microcracking_5_5_5_out.csv'
  abs_zero = 1e-6
  cli_args = 'BCs/load_x/value=-5e6 BCs/load_y/value=-5e6 BCs/load_z/value=-5e6 Outputs/file_base=concrete_expansion_microcracking_5_5_5_out'
  allow_test_objects = True
  detail = 'with a 5 MPa compressive pressure in the x, y, and z directions, '
[]


[concrete_expansion_load_10_10_10]
  type = 'CSVDiff'
  input = 'concrete_expansion_microcracking.i'
  csvdiff = 'concrete_expansion_microcracking_10_10_10_out.csv'
  abs_zero = 1e-6
  cli_args = 'BCs/load_x/value=-10e6 BCs/load_y/value=-10e6 BCs/load_z/value=-10e6 Outputs/file_base=concrete_expansion_microcracking_10_10_10_out'
  allow_test_objects = True
  detail = 'and with a 10 MPa compressive pressure in the x, y, and z directions.'
[]


[concrete_microcracking_damage_isotropic_error]
  type = 'RunException'
  input = 'concrete_expansion_microcracking.i'
  expect_err = 'ConcreteExpansionMicrocrackingDamage requires that the elasticity tensor be guaranteed isotropic'
  cli_args = 'Materials/inactive=concrete Materials/aniso/type=ComputeElasticityTensor Materials/aniso/fill_methode=orthotropic Materials/aniso/C_ijkl="1 1 1 1 1 1 1 1 1"'
  allow_test_objects = True
  requirement = 'The ConcreteExpansionMicrocrackingDamage model shall generate an error if used with a material that is not guaranteed isotropic'
[]


[maqbeth]
  issues = '#91'
  requirement = 'Blackbear shall model heat transfer and moisture transport in concrete, producing results from a 1D axisymmetric simulation that are comparable to those obtained in the MAQBETH experiment.'
  type = 'Exodiff'
  input = 'maqbeth_1d.i'
  exodiff = 'maqbeth_1d_out.e'
  rel_err = 1e-6
  abs_zero = 1e-10
[]


[kodur_2004]
  detail = 'using the Kodur 2004 model, '
  type = 'CSVDiff'
  input = 'concrete_thermal_moisture_properties.i'
  cli_args = 'Materials/concrete/thermal_conductivity_model=KODUR-2004 Materials/concrete/thermal_capacity_model=KODUR-2004 Outputs/file_base=concrete_thermal_moisture_properties_kodur_2004_out'
  csvdiff = 'concrete_thermal_moisture_properties_kodur_2004_out.csv'
[]


[asce_1992]
  detail = 'using the ASCE 1992 model, '
  type = 'CSVDiff'
  input = 'concrete_thermal_moisture_properties.i'
  cli_args = 'Materials/concrete/thermal_conductivity_model=ASCE-1992 Materials/concrete/thermal_capacity_model=ASCE-1992 Outputs/file_base=concrete_thermal_moisture_properties_asce_1992_out'
  csvdiff = 'concrete_thermal_moisture_properties_asce_1992_out.csv'
[]


[eurocode_2004]
  detail = 'and using the Eurocode 2004 model.'
  type = 'CSVDiff'
  input = 'concrete_thermal_moisture_properties.i'
  cli_args = 'Materials/concrete/thermal_conductivity_model=EUROCODE-2004 Materials/concrete/thermal_capacity_model=EUROCODE-2004 Outputs/file_base=concrete_thermal_moisture_properties_eurocode_2004_out'
  csvdiff = 'concrete_thermal_moisture_properties_eurocode_2004_out.csv'
[]


[bazant]
  detail = 'using the Bazant model, '
  type = 'CSVDiff'
  input = 'concrete_thermal_moisture_properties.i'
  cli_args = 'Materials/concrete/moisture_diffusivity_model=Bazant Outputs/file_base=concrete_thermal_moisture_properties_bazant_out'
  csvdiff = 'concrete_thermal_moisture_properties_bazant_out.csv'
[]


[mensi]
  detail = 'and using the Mensi model'
  type = 'CSVDiff'
  input = 'concrete_thermal_moisture_properties.i'
  cli_args = 'Materials/concrete/moisture_diffusivity_model=Mensi Outputs/file_base=concrete_thermal_moisture_properties_mensi_out'
  csvdiff = 'concrete_thermal_moisture_properties_mensi_out.csv'
[]


[mazars_compression]
  type = 'Exodiff'
  input = 'mazars.i'
  cli_args = 'Outputs/file_base=mazars_compression_out BCs/axial_load/function=push Executioner/end_time=0.01'
  exodiff = 'mazars_compression_out.e'
  detail = 'and in compression.'
[]


[mazars_damage_isotropic_error]
  type = 'RunException'
  input = 'mazars.i'
  expect_err = 'MazarsDamage requires that the elasticity tensor be guaranteed isotropic'
  cli_args = 'Materials/inactive=elasticity Materials/aniso/type=ComputeElasticityTensor Materials/aniso/fill_methode=orthotropic Materials/aniso/C_ijkl="1 1 1 1 1 1 1 1 1"'
  requirement = 'The MazarsDamage model shall generate an error if used with a material that is not guaranteed isotropic'
[]


[tensile_bar]
  type = 'Exodiff'
  input = 'tensile_bar.i'
  exodiff = 'tensile_bar_out.e'
  abs_zero = 1e-8
  use_old_floor = true
  requirement = 'BlackBear shall provide the Mazars scalar damage model for concrete, correctly predicting the response of a multi-element concrete bar loaded in tension'
[]


[./neml_LSH]
  type = 'CSVDiff'
  input = 'elas_plas_LSH_neml.i'
  csvdiff = 'elas_plas_LSH_neml_out.csv'
  rel_err = 1e-6
  abs_zero = 1e-8
  required_objects = NEMLStress
  requirement = 'Blackbear shall be capable of running a TM model with inelastic
                   material exhibiting linear strain hardening.'
[../]


[./TM_LSH]
  type = 'CSVDiff'
  input = 'elas_plas_LSH.i'
  csvdiff = 'elas_plas_LSH_out.csv'
  rel_err = 1e-6
  abs_zero = 1e-8
  requirement = 'Blackbear shall be capable of using the NEML library to
                   simulate an inelastic material exhibiting linear strain hardening.'
[../]


[./test5a_lim]
  type = 'CSVDiff'
  input = 'nafems_test5a_lim.i'
  csvdiff = 'nafems_test5a_lim_out.csv'
  rel_err = 1e-6
  abs_zero = 1e-8
  superlu = true
  requirement = 'Blackbear shall be capable of running a TM model with inelastic
                   material exhibiting power law creep behavior.'
[../]


[./test5a_lim_neml]
  type = 'CSVDiff'
  input = 'nafems_test5a_lim_neml.i'
  csvdiff = 'nafems_test5a_lim_neml_out.csv'
  rel_err = 5e-6
  abs_zero = 1e-8
  superlu = true
  required_objects = NEMLStress
  requirement = 'Blackbear shall be capable of using the NEML library to
                   simulate an inelastic material exhibiting power law creep
                   behavior.'
[../]

[./neml_inelastic]
  type = 'CSVDiff'
  input = 'inelastic.i'
  csvdiff = 'inelastic_out.csv'
  abs_zero = 1e-8
  required_objects = NEMLStress
  issues = '#59'
  design = 'NEMLStress.md'
  requirement = 'BlackBear shall be capable of using the NEML library to compute the response of an inelastic material'
[../]


[./neml_inelastic_dt]
  type = 'CSVDiff'
  input = 'inelastic_dt.i'
  csvdiff = 'inelastic_dt_out.csv'
  abs_zero = 1e-8
  required_objects = NEMLStress
  issues = '#169'
  design = 'NEMLStress.md'
  requirement = 'BlackBear shall be capable of using a timestep limit computed by the NEML coupling material'
[../]


[./neml_linear_elastic_variableOverwrite]
  type = 'CSVDiff'
  input = 'le_stress_variableOverwrite.i'
  csvdiff = 'le_stress_out.csv'
  required_objects = NEMLStress
  design = 'NEMLStress.md'
  requirement = 'BlackBear shall be capable of using the NEML library to compute the
                   response of a linearly elastic material parsed from xml.
                   Parameters defined in the xml can be overwritten by variables in the input file.'
[../]


[./neml_linear_elastic_simpleMaterial]
  issues = '#78'
  type = 'CSVDiff'
  input = 'le_stress_simpleMaterial.i'
  csvdiff = 'le_stress_out.csv'
  required_objects = NEMLStress
  allow_test_objects = true
  design = 'NEMLStress.md'
  requirement = 'BlackBear shall be capable of using the NEML library to compute the
                   response of a linearly elastic material defined in a material class'
[../]


[neml_simple_stochastic]
  type = 'CSVDiff'
  input = 'stochastic_driver.i'
  csvdiff = 'out_avg_stress_zz_collected.csv'
  required_objects = NEMLStress
  design = 'NEMLStress.md'
  requirement = 'BlackBear shall provide the ability to use the NEML library to model 
                   material response, and allow for parameters defined in the xml file 
                   to be overridden in the BlackBear input file'
[]


[./neml_linear_elastic]
  type = 'CSVDiff'
  input = 'le_stress.i'
  csvdiff = 'le_stress_out.csv'
  required_objects = NEMLStress
  design = 'NEMLStress.md'
  collections = 'SYSTEM'
  requirement = 'BlackBear shall be capable of interfacing with the NEML library to compute
                   stress'
[../]


[./neml_linear_elastic_thermal]
  type = 'CSVDiff'
  input = 'le_stress_thermal.i'
  csvdiff = 'le_stress_thermal_out.csv'
  required_objects = 'NEMLStress NEMLThermalExpansionEigenstrain'
  design = 'NEMLStress.md NEMLThermalExpansionEigenstrain.md'
  collections = 'SYSTEM'
  requirement = 'BlackBear shall be capable of interfacing with the NEML library to compute
                   thermal expansion'
[../]

Introduction
Dependencies
Requirements