ParsedScalarReporter

Applies parsed functions to scalar entries held in reporters.

Overview

ParsedScalarReporter operates on scalars contained in series of scalar reporters using a parsed function expression as shown in Listing 1. This reporter allows several scalar reporters to be combined into scalar. Variables in the parsed function expression are given by the "reporter_symbols". There is one "reporter_names" for each "reporter_symbols". This is a scalar version of the ParsedVectorReporter reporter.

Listing 1:

[Mesh]
  [gmg]
    type = GeneratedMeshGenerator
    dim = 1
  []
[]

[Problem]
  solve = false
[]

[Executioner]
  type = Steady
[]

[Reporters]
  [dataFromVofV]
    type=VectorOfVectorTestReporter
    name = v_of_v
    vector_of_vectors = '101 201; 102 202; 103 203'
    outputs=none
  []
  [vecvec_sum]
    type = ParsedVectorVectorRealReductionReporter
    name = sum
    reporter_name= 'dataFromVofV/v_of_v'
    initial_value = 0
    expression = 'reduction_value+indexed_value'
  []
  [vecvec_sqsum]
    type = ParsedVectorVectorRealReductionReporter
    name = sqsum
    reporter_name= 'dataFromVofV/v_of_v'
    initial_value = 0
    expression = 'reduction_value+indexed_value*indexed_value'
  []
  [vecvec_multiply]
    type = ParsedVectorVectorRealReductionReporter
    name = multiply
    reporter_name= 'dataFromVofV/v_of_v'
    initial_value = 1
    expression = 'reduction_value*indexed_value'
  []
  [vecvec_max]
    type = ParsedVectorVectorRealReductionReporter
    name = max
    reporter_name= 'dataFromVofV/v_of_v'
    initial_value = -100000
    expression = 'max(reduction_value,indexed_value)'
  []

  [vecs]
    type = ConstantReporter
    real_vector_names = 'vec_a vec_b vec_c vec_d'
    real_vector_values = '1 2 3; 10 20 30; 100 10 1; 1 2 3 4'
    real_names = 'a b c'
    real_values='1 10 100'
    outputs=none
  []
  [vectorOperation]
    type = ParsedVectorReporter
    name = inner
    reporter_names = 'vecs/vec_a vecs/vec_b vecs/vec_c'
    reporter_symbols = 'a b c'
    constant_names = 'constant1 constant2'
    constant_expressions = '10 20'
    expression = '(a+b)*c+constant1+constant2'
  []
  [scalarOperation]
    type = ParsedScalarReporter
    name = inner
    reporter_names = 'vecs/a vecs/b vecs/c'
    reporter_symbols = 'a b c'
    constant_names = 'constant1 constant2'
    constant_expressions = '10 20'
    expression = '(a+b)*c+constant1+constant2'
  []

  [vec_d]
    type = ConstantReporter
    real_vector_names = 'vec_d'
    real_vector_values = '1 2 3 4'
    outputs=none
  []
  [vector_sum]
    type = ParsedVectorRealReductionReporter
    name = sum
    reporter_name= vec_d/vec_d
    initial_value = 0
    expression = 'reduction_value+indexed_value'
  []
  [vector_sqsum]
    type = ParsedVectorRealReductionReporter
    name = sqsum
    reporter_name= vec_d/vec_d
    initial_value = 0
    expression = 'reduction_value+indexed_value*indexed_value'
  []
  [vector_multiply]
    type = ParsedVectorRealReductionReporter
    name = multiply
    reporter_name= vec_d/vec_d
    initial_value = 1
    expression = 'reduction_value*indexed_value'
  []
  [vector_max]
    type = ParsedVectorRealReductionReporter
    name = max
    reporter_name= vec_d/vec_d
    initial_value = -100000
    expression = 'max(reduction_value,indexed_value)'
  []
[]

[Outputs]
  csv=true
[]

Optimization use case

This reporter was created to compute the objective function from the misfit reporter created by OptimizationData. The scalar reporter created can then be transferred as the objective value into GeneralOptimization.

Input Parameters

expressionfunction expression
C++ Type:FunctionExpression
Unit:(no unit assumed)
Controllable:No
Description:function expression
reporter_namesThe input reporter names
C++ Type:std::vector<ReporterName>
Unit:(no unit assumed)
Controllable:No
Description:The input reporter names
reporter_symbolsExpression symbol for each reporter
C++ Type:std::vector<std::string>
Unit:(no unit assumed)
Controllable:No
Description:Expression symbol for each reporter

Required Parameters

constant_expressionsVector of values for the constants in constant_names (can be an FParser expression)
C++ Type:std::vector<std::string>
Unit:(no unit assumed)
Controllable:No
Description:Vector of values for the constants in constant_names (can be an FParser expression)
constant_namesVector of constants used in the parsed function (use this for kB etc.)
C++ Type:std::vector<std::string>
Unit:(no unit assumed)
Controllable:No
Description:Vector of constants used in the parsed function (use this for kB etc.)
epsilon1e-12Fuzzy comparison tolerance
Default:1e-12
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:Fuzzy comparison tolerance
execute_onTIMESTEP_ENDThe list of flag(s) indicating when this object should be executed. For a description of each flag, see https://mooseframework.inl.gov/source/interfaces/SetupInterface.html.
Default:TIMESTEP_END
C++ Type:ExecFlagEnum
Unit:(no unit assumed)
Options:XFEM_MARK, FORWARD, ADJOINT, HOMOGENEOUS_FORWARD, ADJOINT_TIMESTEP_BEGIN, ADJOINT_TIMESTEP_END, NONE, INITIAL, LINEAR, NONLINEAR_CONVERGENCE, NONLINEAR, POSTCHECK, TIMESTEP_END, TIMESTEP_BEGIN, MULTIAPP_FIXED_POINT_END, MULTIAPP_FIXED_POINT_BEGIN, FINAL, CUSTOM
Controllable:No
Description:The list of flag(s) indicating when this object should be executed. For a description of each flag, see https://mooseframework.inl.gov/source/interfaces/SetupInterface.html.
nameresultName of output reporter.
Default:result
C++ Type:std::string
Unit:(no unit assumed)
Controllable:No
Description:Name of output reporter.
prop_getter_suffixAn optional suffix parameter that can be appended to any attempt to retrieve/get material properties. The suffix will be prepended with a '_' character.
C++ Type:MaterialPropertyName
Unit:(no unit assumed)
Controllable:No
Description:An optional suffix parameter that can be appended to any attempt to retrieve/get material properties. The suffix will be prepended with a '_' character.
use_interpolated_stateFalseFor the old and older state use projected material properties interpolated at the quadrature points. To set up projection use the ProjectedStatefulMaterialStorageAction.
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:For the old and older state use projected material properties interpolated at the quadrature points. To set up projection use the ProjectedStatefulMaterialStorageAction.
use_tFalseMake time (t) variables available in the function expression.
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Make time (t) variables available in the function expression.

Optional Parameters

allow_duplicate_execution_on_initialFalseIn the case where this UserObject is depended upon by an initial condition, allow it to be executed twice during the initial setup (once before the IC and again after mesh adaptivity (if applicable).
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:In the case where this UserObject is depended upon by an initial condition, allow it to be executed twice during the initial setup (once before the IC and again after mesh adaptivity (if applicable).
control_tagsAdds user-defined labels for accessing object parameters via control logic.
C++ Type:std::vector<std::string>
Unit:(no unit assumed)
Controllable:No
Description:Adds user-defined labels for accessing object parameters via control logic.
disable_fpoptimizerFalseDisable the function parser algebraic optimizer
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Disable the function parser algebraic optimizer
enableTrueSet the enabled status of the MooseObject.
Default:True
C++ Type:bool
Unit:(no unit assumed)
Controllable:Yes
Description:Set the enabled status of the MooseObject.
enable_ad_cacheTrueEnable caching of function derivatives for faster startup time
Default:True
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Enable caching of function derivatives for faster startup time
enable_auto_optimizeTrueEnable automatic immediate optimization of derivatives
Default:True
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Enable automatic immediate optimization of derivatives
enable_jitTrueEnable just-in-time compilation of function expressions for faster evaluation
Default:True
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Enable just-in-time compilation of function expressions for faster evaluation
evalerror_behaviornanWhat to do if evaluation error occurs. Options are to pass a nan, pass a nan with a warning, throw a error, or throw an exception
Default:nan
C++ Type:MooseEnum
Unit:(no unit assumed)
Options:nan, nan_warning, error, exception
Controllable:No
Description:What to do if evaluation error occurs. Options are to pass a nan, pass a nan with a warning, throw a error, or throw an exception
execution_order_group0Execution order groups are executed in increasing order (e.g., the lowest number is executed first). Note that negative group numbers may be used to execute groups before the default (0) group. Please refer to the user object documentation for ordering of user object execution within a group.
Default:0
C++ Type:int
Unit:(no unit assumed)
Controllable:No
Description:Execution order groups are executed in increasing order (e.g., the lowest number is executed first). Note that negative group numbers may be used to execute groups before the default (0) group. Please refer to the user object documentation for ordering of user object execution within a group.
force_postauxFalseForces the UserObject to be executed in POSTAUX
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Forces the UserObject to be executed in POSTAUX
force_preauxFalseForces the UserObject to be executed in PREAUX
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Forces the UserObject to be executed in PREAUX
force_preicFalseForces the UserObject to be executed in PREIC during initial setup
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Forces the UserObject to be executed in PREIC during initial setup
outputsVector of output names where you would like to restrict the output of variables(s) associated with this object
C++ Type:std::vector<OutputName>
Unit:(no unit assumed)
Controllable:No
Description:Vector of output names where you would like to restrict the output of variables(s) associated with this object
use_displaced_meshFalseWhether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Whether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.

Advanced Parameters

Input Files

(modules/optimization/test/tests/reporters/vector_math/vectorMath.i)
(modules/combined/test/tests/optimization/invOpt_mechanics/forward_and_adjoint.i)
(modules/optimization/test/tests/optimizationreporter/bc_load_linearFunction/forward_and_adjoint.i)
(modules/optimization/examples/materialFrequency/wave1D/model_grad.i)

(modules/optimization/test/tests/reporters/vector_math/vectorMath.i)

[Mesh]
  [gmg]
    type = GeneratedMeshGenerator
    dim = 1
  []
[]

[Problem]
  solve = false
[]

[Executioner]
  type = Steady
[]

[Reporters]
  [dataFromVofV]
    type=VectorOfVectorTestReporter
    name = v_of_v
    vector_of_vectors = '101 201; 102 202; 103 203'
    outputs=none
  []
  [vecvec_sum]
    type = ParsedVectorVectorRealReductionReporter
    name = sum
    reporter_name= 'dataFromVofV/v_of_v'
    initial_value = 0
    expression = 'reduction_value+indexed_value'
  []
  [vecvec_sqsum]
    type = ParsedVectorVectorRealReductionReporter
    name = sqsum
    reporter_name= 'dataFromVofV/v_of_v'
    initial_value = 0
    expression = 'reduction_value+indexed_value*indexed_value'
  []
  [vecvec_multiply]
    type = ParsedVectorVectorRealReductionReporter
    name = multiply
    reporter_name= 'dataFromVofV/v_of_v'
    initial_value = 1
    expression = 'reduction_value*indexed_value'
  []
  [vecvec_max]
    type = ParsedVectorVectorRealReductionReporter
    name = max
    reporter_name= 'dataFromVofV/v_of_v'
    initial_value = -100000
    expression = 'max(reduction_value,indexed_value)'
  []

  [vecs]
    type = ConstantReporter
    real_vector_names = 'vec_a vec_b vec_c vec_d'
    real_vector_values = '1 2 3; 10 20 30; 100 10 1; 1 2 3 4'
    real_names = 'a b c'
    real_values='1 10 100'
    outputs=none
  []
  [vectorOperation]
    type = ParsedVectorReporter
    name = inner
    reporter_names = 'vecs/vec_a vecs/vec_b vecs/vec_c'
    reporter_symbols = 'a b c'
    constant_names = 'constant1 constant2'
    constant_expressions = '10 20'
    expression = '(a+b)*c+constant1+constant2'
  []
  [scalarOperation]
    type = ParsedScalarReporter
    name = inner
    reporter_names = 'vecs/a vecs/b vecs/c'
    reporter_symbols = 'a b c'
    constant_names = 'constant1 constant2'
    constant_expressions = '10 20'
    expression = '(a+b)*c+constant1+constant2'
  []

  [vec_d]
    type = ConstantReporter
    real_vector_names = 'vec_d'
    real_vector_values = '1 2 3 4'
    outputs=none
  []
  [vector_sum]
    type = ParsedVectorRealReductionReporter
    name = sum
    reporter_name= vec_d/vec_d
    initial_value = 0
    expression = 'reduction_value+indexed_value'
  []
  [vector_sqsum]
    type = ParsedVectorRealReductionReporter
    name = sqsum
    reporter_name= vec_d/vec_d
    initial_value = 0
    expression = 'reduction_value+indexed_value*indexed_value'
  []
  [vector_multiply]
    type = ParsedVectorRealReductionReporter
    name = multiply
    reporter_name= vec_d/vec_d
    initial_value = 1
    expression = 'reduction_value*indexed_value'
  []
  [vector_max]
    type = ParsedVectorRealReductionReporter
    name = max
    reporter_name= vec_d/vec_d
    initial_value = -100000
    expression = 'max(reduction_value,indexed_value)'
  []
[]

[Outputs]
  csv=true
[]

(modules/optimization/test/tests/reporters/vector_math/vectorMath.i)

[Mesh]
  [gmg]
    type = GeneratedMeshGenerator
    dim = 1
  []
[]

[Problem]
  solve = false
[]

[Executioner]
  type = Steady
[]

[Reporters]
  [dataFromVofV]
    type=VectorOfVectorTestReporter
    name = v_of_v
    vector_of_vectors = '101 201; 102 202; 103 203'
    outputs=none
  []
  [vecvec_sum]
    type = ParsedVectorVectorRealReductionReporter
    name = sum
    reporter_name= 'dataFromVofV/v_of_v'
    initial_value = 0
    expression = 'reduction_value+indexed_value'
  []
  [vecvec_sqsum]
    type = ParsedVectorVectorRealReductionReporter
    name = sqsum
    reporter_name= 'dataFromVofV/v_of_v'
    initial_value = 0
    expression = 'reduction_value+indexed_value*indexed_value'
  []
  [vecvec_multiply]
    type = ParsedVectorVectorRealReductionReporter
    name = multiply
    reporter_name= 'dataFromVofV/v_of_v'
    initial_value = 1
    expression = 'reduction_value*indexed_value'
  []
  [vecvec_max]
    type = ParsedVectorVectorRealReductionReporter
    name = max
    reporter_name= 'dataFromVofV/v_of_v'
    initial_value = -100000
    expression = 'max(reduction_value,indexed_value)'
  []

  [vecs]
    type = ConstantReporter
    real_vector_names = 'vec_a vec_b vec_c vec_d'
    real_vector_values = '1 2 3; 10 20 30; 100 10 1; 1 2 3 4'
    real_names = 'a b c'
    real_values='1 10 100'
    outputs=none
  []
  [vectorOperation]
    type = ParsedVectorReporter
    name = inner
    reporter_names = 'vecs/vec_a vecs/vec_b vecs/vec_c'
    reporter_symbols = 'a b c'
    constant_names = 'constant1 constant2'
    constant_expressions = '10 20'
    expression = '(a+b)*c+constant1+constant2'
  []
  [scalarOperation]
    type = ParsedScalarReporter
    name = inner
    reporter_names = 'vecs/a vecs/b vecs/c'
    reporter_symbols = 'a b c'
    constant_names = 'constant1 constant2'
    constant_expressions = '10 20'
    expression = '(a+b)*c+constant1+constant2'
  []

  [vec_d]
    type = ConstantReporter
    real_vector_names = 'vec_d'
    real_vector_values = '1 2 3 4'
    outputs=none
  []
  [vector_sum]
    type = ParsedVectorRealReductionReporter
    name = sum
    reporter_name= vec_d/vec_d
    initial_value = 0
    expression = 'reduction_value+indexed_value'
  []
  [vector_sqsum]
    type = ParsedVectorRealReductionReporter
    name = sqsum
    reporter_name= vec_d/vec_d
    initial_value = 0
    expression = 'reduction_value+indexed_value*indexed_value'
  []
  [vector_multiply]
    type = ParsedVectorRealReductionReporter
    name = multiply
    reporter_name= vec_d/vec_d
    initial_value = 1
    expression = 'reduction_value*indexed_value'
  []
  [vector_max]
    type = ParsedVectorRealReductionReporter
    name = max
    reporter_name= vec_d/vec_d
    initial_value = -100000
    expression = 'max(reduction_value,indexed_value)'
  []
[]

[Outputs]
  csv=true
[]

(modules/combined/test/tests/optimization/invOpt_mechanics/forward_and_adjoint.i)

# DO NOT CHANGE THIS TEST
# this test is documented as an example in forceInv_NeumannBC.md
# if this test is changed, the figures will need to be updated.

[Mesh]
  type = GeneratedMesh
  dim = 2
  nx = 10
  ny = 2
  xmin = 0.0
  xmax = 5.0
  ymin = 0.0
  ymax = 1.0
  use_displaced_mesh = false
[]

[Variables]
  [disp_x]
  []
  [disp_y]
  []
[]

[Physics]
  [SolidMechanics]
    [QuasiStatic]
      displacements = 'disp_x disp_y'
      [all]
        displacements = 'disp_x disp_y'
        strain = SMALL
      []
    []
  []
[]

[BCs]
  [left_ux]
    type = DirichletBC
    variable = disp_x
    boundary = left
    value = 0
  []
  [left_uy]
    type = DirichletBC
    variable = disp_y
    boundary = left
    value = 0
  []
  [right_fy]
    type = FunctionNeumannBC
    variable = disp_y
    boundary = right
    function = right_fy_func
  []
  [right_fx]
    type = FunctionNeumannBC
    variable = disp_x
    boundary = right
    function = right_fx_func
  []
[]

[Functions]
  [right_fy_func]
    type = ParsedOptimizationFunction
    expression = 'val_y'
    param_symbol_names = 'val_x val_y'
    param_vector_name = 'params/right_values'
  []
  [right_fx_func]
    type = ParsedOptimizationFunction
    expression = 'val_x'
    param_symbol_names = 'val_x val_y'
    param_vector_name = 'params/right_values'
  []
[]

[Materials]
  [elasticity]
    type = ComputeIsotropicElasticityTensor
    youngs_modulus = 10e3
    poissons_ratio = 0.3
  []
  [stress]
    type = ComputeLinearElasticStress
  []
[]

[Executioner]
  type = SteadyAndAdjoint
  forward_system = nl0
  adjoint_system = adjoint
  nl_abs_tol = 1e-6
  nl_rel_tol = 1e-8
  petsc_options_iname = '-pc_type'
  petsc_options_value = 'lu'
[]

[VectorPostprocessors]
  [point_sample]
    type = PointValueSampler
    variable = 'disp_x disp_y'
    points = '5.0 1.0 0'
    sort_by = x
  []
[]

[Reporters]
  [measure_data_x]
    type = OptimizationData
    objective_name = objective_value
    variable = disp_x
    measurement_points = '5.0 1.0 0.0'
    measurement_values = '-13.00873469088'
  []
  [measure_data_y]
    type = OptimizationData
    objective_name = objective_value
    variable = disp_y
    measurement_points = '5.0 1.0 0.0'
    measurement_values = '85.008027719915'
  []
  [params]
    type = ConstantReporter
    real_vector_names = 'right_values'
    real_vector_values = '-1300 2100 ' # True Values
  []
  [combined]
    type = ParsedVectorReporter
    name = gradient
    reporter_names = 'adjoint_pt_x/inner_product adjoint_pt_y/inner_product'
    reporter_symbols = 'a b'
    expression = 'a+b'
    execute_on = ADJOINT_TIMESTEP_END
    # Just to confirm this happens after the gradient calcutions
    execution_order_group = 1
  []
  [obj]
    type = ParsedScalarReporter
    name = obj_val
    reporter_names = 'measure_data_x/objective_value
    measure_data_y/objective_value'
    reporter_symbols = 'a b'
    expression = 'a+b'
    execute_on = ADJOINT_TIMESTEP_END
    # Just to confirm this happens after the gradient calcutions
    execution_order_group = 1
  []
[]

[Outputs]
  csv = false
  console = false
  exodus = false
  file_base = 'forward'
  execute_on = 'FINAL'
  json = false
[]

[Problem]
  nl_sys_names = 'nl0 adjoint'
  kernel_coverage_check = false
  skip_nl_system_check = true
[]

[Variables]
  [adjoint_x]
    initial_condition = 0
    solver_sys = adjoint
    outputs = none
  []
  [adjoint_y]
    initial_condition = 0
    solver_sys = adjoint
    outputs = none
  []
[]

[DiracKernels]
  [pt_x]
    type = ReporterPointSource
    variable = adjoint_x
    x_coord_name = measure_data_x/measurement_xcoord
    y_coord_name = measure_data_x/measurement_ycoord
    z_coord_name = measure_data_x/measurement_zcoord
    value_name = measure_data_x/misfit_values
  []
  [pt_y]
    type = ReporterPointSource
    variable = adjoint_y
    x_coord_name = measure_data_y/measurement_xcoord
    y_coord_name = measure_data_y/measurement_ycoord
    z_coord_name = measure_data_y/measurement_zcoord
    value_name = measure_data_y/misfit_values
  []
[]

[VectorPostprocessors]
  [adjoint_pt_x]
    type = SideOptimizationNeumannFunctionInnerProduct
    variable = adjoint_x
    function = right_fx_func
    boundary = right
    execute_on = ADJOINT_TIMESTEP_END
  []
  [adjoint_pt_y]
    type = SideOptimizationNeumannFunctionInnerProduct
    variable = adjoint_y
    function = right_fy_func
    boundary = right
    execute_on = ADJOINT_TIMESTEP_END
  []
[]

(modules/optimization/test/tests/optimizationreporter/bc_load_linearFunction/forward_and_adjoint.i)

[Mesh]
  [gmg]
    type = GeneratedMeshGenerator
    dim = 2
    nx = 10
    ny = 20
    xmax = 1
    ymax = 2
    bias_x = 1.1
    bias_y = 1.1
  []
[]

[Problem]
  nl_sys_names = 'nl0 adjoint'
  kernel_coverage_check = false
[]

[Variables]
  [temperature]
  []
  [temperature_adjoint]
    solver_sys = adjoint
  []
[]

[Kernels]
  [heat_conduction]
    type = MatDiffusion
    variable = temperature
    diffusivity = thermal_conductivity
  []
[]

[BCs]
  [left]
    type = FunctionNeumannBC
    variable = temperature
    boundary = left
    function = left_function
  []
  [right]
    type = FunctionNeumannBC
    variable = temperature
    boundary = right
    function = right_function
  []
  [bottom]
    type = DirichletBC
    variable = temperature
    boundary = bottom
    value = 200
  []
  [top]
    type = DirichletBC
    variable = temperature
    boundary = top
    value = 100
  []
[]

[Functions]
  [left_function]
    type = ParsedOptimizationFunction
    expression = 'a + b*y'
    param_symbol_names = 'a b'
    param_vector_name = 'params/left'
  []
  [right_function]
    type = ParsedOptimizationFunction
    expression = 'a'
    param_symbol_names = 'a'
    param_vector_name = 'params/right'
  []
[]

[Materials]
  [steel]
    type = GenericConstantMaterial
    prop_names = thermal_conductivity
    prop_values = 5
  []
[]

[Executioner]
  type = SteadyAndAdjoint
  forward_system = nl0
  adjoint_system = adjoint
  line_search = none
  nl_rel_tol = 1e-12
  l_tol = 1e-12
  petsc_options_iname = '-pc_type'
  petsc_options_value = 'lu'
[]

[DiracKernels]
  [pt]
    type = ReporterPointSource
    variable = temperature_adjoint
    x_coord_name = measure_data/measurement_xcoord
    y_coord_name = measure_data/measurement_ycoord
    z_coord_name = measure_data/measurement_zcoord
    value_name = measure_data/misfit_values
    weight_name = measure_data/weight
  []
[]

[VectorPostprocessors]
  [grad_bc_left]
    type = SideOptimizationNeumannFunctionInnerProduct
    variable = temperature_adjoint
    function = left_function
    boundary = left
    execute_on = ADJOINT_TIMESTEP_END
  []
  [grad_bc_right]
    type = SideOptimizationNeumannFunctionInnerProduct
    variable = temperature_adjoint
    function = right_function
    boundary = right
    execute_on = ADJOINT_TIMESTEP_END
  []
[]

[Reporters]
  [measure_data]
    type = OptimizationData
    variable = temperature
    measurement_file = 'measurementData.csv'
    file_xcoord = 'coordx'
    file_ycoord ='y'
    file_zcoord = 'z'
    file_value = 'weightedMeasurement'
    file_variable_weights = 'weight'
    variable_weight_names = 'weight'
  []
  [params]
    type = ConstantReporter
    real_vector_names = 'left right'
    real_vector_values = '0 0; 0' # Dummy
  []
  [vector_sqsum]
    type = ParsedVectorRealReductionReporter
    name = sqsum
    reporter_name= 'measure_data/misfit_values'
    initial_value = 0
    expression = 'reduction_value+indexed_value*indexed_value'
    outputs=none
  []
  [obj_sum]
    type = ParsedScalarReporter
    name = value
    reporter_names = 'vector_sqsum/sqsum'
    reporter_symbols = 'a'
    expression = '0.5*a'
  []
[]

[Outputs]
  console = false
  exodus = true
[]

(modules/optimization/examples/materialFrequency/wave1D/model_grad.i)

id = 1
frequencyHz = 1.0
omega = '${fparse 2*3.14159265359*frequencyHz}'

[Problem]
  nl_sys_names = 'nl0 adjoint'
  kernel_coverage_check = false
  skip_nl_system_check = true
[]

[Executioner]
  type = SteadyAndAdjoint
  forward_system = nl0
  adjoint_system = adjoint
  petsc_options_iname = '-pc_type'
  petsc_options_value = 'lu'
  nl_forced_its = 1
  line_search = none
  nl_abs_tol = 1e-8
[]

[Outputs]
  csv = false
  console = false
  json = false
[]

[Mesh]
  type = GeneratedMesh
  dim = 1
  nx = 200
  xmax = 2
[]

[Variables]
  [ur]
  []
  [ui]
  []
  [uradj]
    initial_condition = 0
    solver_sys = adjoint
  []
  [uiadj]
    initial_condition = 0
    solver_sys = adjoint
  []
[]

[Kernels]
  [stiff]
    type = MatDiffusion
    variable = ur
    diffusivity = G
  []
  [mass]
    type = Reaction
    variable = ur
    rate = '${fparse -1.0*omega*omega}'
  []
  [stiffV]
    type = MatDiffusion
    variable = ui
    diffusivity = G
  []
  [massV]
    type = Reaction
    variable = ui
    rate = '${fparse -1.0*omega*omega}'
  []
[]

[BCs]
  [leftU]
    type = CoupledVarNeumannBC
    boundary = left
    variable = ur
    coef = 2.0
    v = ui
  []
  [leftV]
    type = CoupledVarNeumannBC
    boundary = left
    variable = ui
    coef = -2.0
    v = ur
  []
  [right]
    type = NeumannBC
    variable = ur
    boundary = right
    value = 1
  []
[]

[Materials]
  [G]
    type = GenericFunctionMaterial
    prop_names = G
    prop_values = G_function
  []
[]

[Functions]
  [G_function]
    type = NearestReporterCoordinatesFunction
    x_coord_name = parameters/coordx
    value_name = parameters/G
  []
[]

[Reporters]
  [parameters]
    type = ConstantReporter
    real_vector_names = 'coordx G'
    # 'True value when used to generate synthetic data'
    # real_vector_values = '5.0 15.0; 4.0 4.0'
    real_vector_values = '1.0; 4.0'
  []
[]

[DiracKernels]
  [misfit_ur]
    type = ReporterPointSource
    variable = uradj
    x_coord_name = measure_data_ur/measurement_xcoord
    y_coord_name = measure_data_ur/measurement_ycoord
    z_coord_name = measure_data_ur/measurement_zcoord
    value_name = measure_data_ur/misfit_values
  []
  [misfit_ui]
    type = ReporterPointSource
    variable = uiadj
    x_coord_name = measure_data_ui/measurement_xcoord
    y_coord_name = measure_data_ui/measurement_ycoord
    z_coord_name = measure_data_ui/measurement_zcoord
    value_name = measure_data_ui/misfit_values
  []
[]

[VectorPostprocessors]
  [gradient_from_real]
    type = ElementOptimizationDiffusionCoefFunctionInnerProduct
    variable = uradj
    forward_variable = ur
    function = G_function
    execute_on = ADJOINT_TIMESTEP_END
    # Just to confirm this happens BEFORE the gradient calcutions
    execution_order_group = -1
  []
  [gradient_from_imag]
    type = ElementOptimizationDiffusionCoefFunctionInnerProduct
    variable = uiadj
    forward_variable = ui
    function = G_function
    execute_on = ADJOINT_TIMESTEP_END
    # Just to confirm this happens BEFORE the gradient calcutions
    execution_order_group = -1
  []
[]

[Reporters]
  [measure_data_ur]
    type = OptimizationData
    objective_name = obj_val
    variable = 'ur'
    file_value = 'value'
    measurement_file = 'measurement/frequency_ur_${id}.csv'
  []
  [measure_data_ui]
    type = OptimizationData
    objective_name = obj_val
    variable = 'ui'
    file_value = 'value'
    measurement_file = 'measurement/frequency_ui_${id}.csv'
  []
  [gradient]
    type = ParsedVectorReporter
    name = gradient
    reporter_names = 'gradient_from_real/inner_product gradient_from_imag/inner_product'
    reporter_symbols = 'a b'
    expression = 'a+b'
    execute_on = ADJOINT_TIMESTEP_END
    execution_order_group = 0
  []
  [objective]
    type = ParsedScalarReporter
    name = objective
    reporter_names = 'measure_data_ur/obj_val measure_data_ui/obj_val'
    reporter_symbols = 'a b'
    expression = 'a+b'
    execute_on = ADJOINT_TIMESTEP_END
    # Just to confirm this happens after the gradient calcutions
    execution_order_group = 1
  []
[]

Overview
Optimization use case
Input Parameters
Input Files