ScalarAdvectionArtDiffNoBCBC

construction:Undocumented Class

The ScalarAdvectionArtDiffNoBCBC has not been documented. The content listed below should be used as a starting point for documenting the class, which includes the typical automatic documentation associated with a MooseObject; however, what is contained is ultimately determined by what is necessary to make the documentation clear for users.

Overview

Example Input File Syntax

Input Parameters

boundaryThe list of boundary IDs from the mesh where this object applies
C++ Type:std::vector<BoundaryName>
Unit:(no unit assumed)
Controllable:No
Description:The list of boundary IDs from the mesh where this object applies
variableThe name of the variable that this residual object operates on
C++ Type:NonlinearVariableName
Unit:(no unit assumed)
Controllable:No
Description:The name of the variable that this residual object operates on

Required Parameters

conc_scaling1The amount by which to scale the concentration variable.
Default:1
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:The amount by which to scale the concentration variable.
displacementsThe displacements
C++ Type:std::vector<VariableName>
Unit:(no unit assumed)
Controllable:No
Description:The displacements
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.
scale1Amount to scale artificial diffusion.
Default:1
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:Amount to scale artificial diffusion.
tau1The amount by which to scale the artificial diffusion.
Default:1
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:The amount by which to scale the artificial diffusion.
ux-velocity
C++ Type:std::vector<VariableName>
Unit:(no unit assumed)
Controllable:No
Description:x-velocity
u_def0Allows user to specify constant value for u component of velocity.
Default:0
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:Allows user to specify constant value for u component of velocity.
use_exp_formFalseWhether concentrations should be in an expotential/logarithmic format.
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Whether concentrations should be in an expotential/logarithmic format.
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.
vy-velocity
C++ Type:std::vector<VariableName>
Unit:(no unit assumed)
Controllable:No
Description:y-velocity
v_def0Allows user to specify constant value for v component of velocity.
Default:0
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:Allows user to specify constant value for v component of velocity.
wz-velocity
C++ Type:std::vector<VariableName>
Unit:(no unit assumed)
Controllable:No
Description:z-velocity
w_def0Allows user to specify constant value for w component of velocity.
Default:0
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:Allows user to specify constant value for w component of velocity.

Optional Parameters

absolute_value_vector_tagsThe tags for the vectors this residual object should fill with the absolute value of the residual contribution
C++ Type:std::vector<TagName>
Unit:(no unit assumed)
Controllable:No
Description:The tags for the vectors this residual object should fill with the absolute value of the residual contribution
extra_matrix_tagsThe extra tags for the matrices this Kernel should fill
C++ Type:std::vector<TagName>
Unit:(no unit assumed)
Controllable:No
Description:The extra tags for the matrices this Kernel should fill
extra_vector_tagsThe extra tags for the vectors this Kernel should fill
C++ Type:std::vector<TagName>
Unit:(no unit assumed)
Controllable:No
Description:The extra tags for the vectors this Kernel should fill
matrix_tagssystemThe tag for the matrices this Kernel should fill
Default:system
C++ Type:MultiMooseEnum
Unit:(no unit assumed)
Options:nontime, system
Controllable:No
Description:The tag for the matrices this Kernel should fill
vector_tagsnontimeThe tag for the vectors this Kernel should fill
Default:nontime
C++ Type:MultiMooseEnum
Unit:(no unit assumed)
Options:nontime, time
Controllable:No
Description:The tag for the vectors this Kernel should fill

Tagging Parameters

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.
diag_save_inThe name of auxiliary variables to save this BC's diagonal jacobian contributions to. Everything about that variable must match everything about this variable (the type, what blocks it's on, etc.)
C++ Type:std::vector<AuxVariableName>
Unit:(no unit assumed)
Controllable:No
Description:The name of auxiliary variables to save this BC's diagonal jacobian contributions to. Everything about that variable must match everything about this variable (the type, what blocks it's on, etc.)
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.
implicitTrueDetermines whether this object is calculated using an implicit or explicit form
Default:True
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Determines whether this object is calculated using an implicit or explicit form
save_inThe name of auxiliary variables to save this BC's residual contributions to. Everything about that variable must match everything about this variable (the type, what blocks it's on, etc.)
C++ Type:std::vector<AuxVariableName>
Unit:(no unit assumed)
Controllable:No
Description:The name of auxiliary variables to save this BC's residual contributions to. Everything about that variable must match everything about this variable (the type, what blocks it's on, etc.)
seed0The seed for the master random number generator
Default:0
C++ Type:unsigned int
Unit:(no unit assumed)
Controllable:No
Description:The seed for the master random number generator
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

(problems/011717_precursors/Input.i)
(problems/011717_precursors/Input_restart_rdg_module.i)
(problems/011317_notebook_add_temperature_coupling/Input_serpent.i)
(problems/011317_notebook_perfectly_bracketed_critical_buckling_height_from_newt/Input.i)
(problems/011317_notebook_perfectly_bracketed_critical_buckling_height_from_newt/Input_serpent.i)
(problems/011317_notebook_add_temperature_coupling/Input.i)

(problems/011717_precursors/Input.i)

flow_velocity=147 # Cammi 147 cm/s
inlet_temp=824
initial_outlet_temp=824
nt_scale=1e16
precursor_log_inlet_conc=-17
reactor_height=115 # Cammi 396 cm; critical_buckling_from_newt ~ 115 cm
global_temperature=temp

[GlobalParams]
  num_groups = 2
  num_precursor_groups = 6
  use_exp_form = true
  group_fluxes = 'group1 group2'
  v_def = ${flow_velocity}
  tau = 1
  transient_simulation = true
  incompressible_flow = false
  # prec_scale = 1e5
[../]

[Mesh]
  file = 'cylinder_structured.msh'
[../]


[Nt]
  var_name_base = 'group'
  vacuum_boundaries = 'fuel_top graphite_top fuel_bottom graphite_bottom'
  temp_scaling = 1e0
  nt_ic_function = 'nt_ic_func'
  # create_temperature_var = false
  temperature = ${global_temperature}
  # temperature_value = ${global_temperature}
[]

[Precursors]
  var_name_base = pre
  block = 'fuel'
  inlet_boundary = 'fuel_bottom'
  inlet_boundary_condition = 'DirichletBC'
  inlet_bc_value = ${precursor_log_inlet_conc}
  outlet_boundary = 'fuel_top'
  initial_condition = ${precursor_log_inlet_conc}
  tau = 1
  use_source_stabilization = true
  offset = 24
[]

[Kernels]
  # Temperature
  [./temp_flow_fuel]
    block = 'fuel'
    type = MatINSTemperatureRZ
    variable = temp
    rho = 'rho'
    k = 'k'
    cp = 'cp'
    uz = ${flow_velocity}
  [../]
  [./temp_art_diff_fuel]
    block = 'fuel'
    type = ScalarAdvectionArtDiff
    variable = temp
    use_exp_form = false
  [../]
  [./temp_flow_moder]
    block = 'moder'
    type = MatINSTemperatureRZ
    variable = temp
    rho = 'rho'
    k = 'k'
    cp = 'cp'
  [../]
  [./temp_source]
    type = TransientFissionHeatSource
    variable = temp
    nt_scale=${nt_scale}
  [../]
  [./temp_time_derivative]
    type = MatINSTemperatureTimeDerivative
    variable = temp
    rho = 'rho'
    cp = 'cp'
  [../]
[]

[Materials]
  [./fuel]
    type = CammiFuel
    block = 'fuel'
    property_tables_root = '../property_file_dir/newt_fuel_'
    prop_names = 'cp'
    prop_values = '1357' # Cammi 2011 at 908 K
    interp_type = 'spline'
    temperature = ${global_temperature}
  [../]
  [./moder]
    type = CammiModerator
    block = 'moder'
    property_tables_root = '../property_file_dir/newt_mod_'
    prop_names = 'rho cp'
    prop_values = '1.843e-3 1760' # Cammi 2011 at 908 K
    interp_type = 'spline'
    temperature = ${global_temperature}
  [../]
[]

[BCs]
  [./temp_inlet]
    boundary = 'fuel_bottom graphite_bottom'
    type = DirichletBC
    variable = temp
    value = ${inlet_temp}
  [../]
  [./temp_outlet]
    boundary = 'fuel_top'
    type = MatINSTemperatureNoBCBC
    variable = temp
    k = 'k'
  [../]
  [./temp_art_diff_fuel]
    boundary = 'fuel_top'
    type = ScalarAdvectionArtDiffNoBCBC
    variable = temp
    use_exp_form = false
  [../]
[]

[Problem]
  type = FEProblem
  coord_type = RZ
[../]

[Executioner]
  type = Transient
  end_time = 10000

  # line_search = none
  nl_rel_tol = 1e-6
  nl_abs_tol = 1e-5
  # trans_ss_check = true
  # ss_check_tol = 8e-9

  solve_type = 'NEWTON'
  petsc_options = '-snes_converged_reason -ksp_converged_reason -snes_linesearch_monitor'
  petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -ksp_type -snes_linesearch_minlambda -pc_factor_mat_solver_package'
  petsc_options_value = 'lu NONZERO 1.e-10 preonly 1e-3 mumps'

  nl_max_its = 10
  l_max_its = 10

  dtmin = 1e-5
  [./TimeStepper]
    type = IterationAdaptiveDT
    cutback_factor = 0.4
    dt = 1e-4
    growth_factor = 1.05
    optimal_iterations = 20
  [../]
[]

[Preconditioning]
  [./SMP]
    type = SMP
    full = true
  [../]
[]

[Outputs]
  csv = true
  [./out]
    type = Exodus
    execute_on = 'initial timestep_end'
  [../]
  [./dof_map]
    type = DOFMap
  [../]
[]

[Debug]
  show_var_residual_norms = true
[]

[ICs]
  # [./temp_ic]
  #   type = ConstantIC
  #   variable = temp
  #   value = ${inlet_temp}
  # [../]
  [./temp_all_ic_func]
    type = FunctionIC
    variable = temp
    function = temp_ic_func
  [../]
[]

[Functions]
  [./temp_ic_func]
    type = ParsedFunction
    value = '(${initial_outlet_temp} - ${inlet_temp}) / ${reactor_height} * y + ${inlet_temp}'
  [../]
  [./nt_ic_func]
    type = ParsedFunction
    value = '4/${reactor_height} * y * (1 - y/${reactor_height})'
  [../]
[]

[Postprocessors]
  [./group1_current]
    type = IntegralNewVariablePostprocessor
    variable = group1
    outputs = 'csv console'
  [../]
  [./group1_old]
    type = IntegralOldVariablePostprocessor
    variable = group1
    outputs = 'csv console'
  [../]
  [./multiplication]
    type = DivisionPostprocessor
    value1 = group1_current
    value2 = group1_old
    outputs = 'csv console'
  [../]
  [./temp_fuel]
    type = ElementAverageValue
    variable = temp
    block = 'fuel'
    # execute_on = 'linear nonlinear'
    outputs = 'csv console'
  [../]
  [./temp_moder]
    type = ElementAverageValue
    variable = temp
    block = 'moder'
    # execute_on = 'linear nonlinear'
    outputs = 'csv console'
  [../]
[]

(problems/011717_precursors/Input_restart_rdg_module.i)

flow_velocity=147 # Cammi 147 cm/s
inlet_temp=824
initial_outlet_temp=824
nt_scale=1e16
precursor_log_inlet_conc=-25
reactor_height=115 # Cammi 396 cm; critical_buckling_from_newt ~ 115 cm
global_temperature=temp

[GlobalParams]
  num_groups = 2
  num_precursor_groups = 6
  use_exp_form = true
  group_fluxes = 'group1 group2'
  u_def = 0
  v_def = ${flow_velocity}
  w_def = 0
  tau = 1
  transient_simulation = true
  incompressible_flow = false
[../]

[Mesh]
  file = 'Input_out.e'
[../]

[Nt]
  var_name_base = 'group'
  vacuum_boundaries = 'fuel_top graphite_top fuel_bottom graphite_bottom'
  temp_scaling = 1e0
  nt_ic_function = 'nt_ic_func'
  # create_temperature_var = false
  temperature = ${global_temperature}
  # temperature_value = ${global_temperature}
  init_nts_from_file = true
  init_temperature_from_file = true
[]

[Precursors]
  var_name_base = pre
  block = 'fuel'
  advection_boundaries = 'fuel_top fuel_bottom'
  family = MONOMIAL
  order = CONSTANT
[]

[Kernels]
  # Temperature
  [./temp_flow_fuel]
    block = 'fuel'
    type = MatINSTemperatureRZ
    variable = temp
    uz = ${flow_velocity}
  [../]
  [./temp_art_diff_fuel]
    block = 'fuel'
    type = ScalarAdvectionArtDiff
    variable = temp
    use_exp_form = false
  [../]
  [./temp_flow_moder]
    block = 'moder'
    type = MatINSTemperatureRZ
    variable = temp
  [../]
  [./temp_source]
    type = TransientFissionHeatSource
    variable = temp
    nt_scale=${nt_scale}
  [../]
  [./temp_time_derivative]
    type = MatINSTemperatureTimeDerivative
    variable = temp
  [../]
[]

[Materials]
  [./fuel]
    type = CammiFuel
    block = 'fuel'
    property_tables_root = '../property_file_dir/newt_fuel_'
    prop_names = 'cp'
    prop_values = '1357' # Cammi 2011 at 908 K
    interp_type = 'spline'
    temperature = ${global_temperature}
  [../]
  [./moder]
    type = CammiModerator
    block = 'moder'
    property_tables_root = '../property_file_dir/newt_mod_'
    prop_names = 'rho cp'
    prop_values = '1.843e-3 1760' # Cammi 2011 at 908 K
    interp_type = 'spline'
    temperature = ${global_temperature}
  [../]
[]

[BCs]
  [./temp_inlet]
    boundary = 'fuel_bottom graphite_bottom'
    type = DirichletBC
    variable = temp
    value = ${inlet_temp}
  [../]
  [./temp_outlet]
    boundary = 'fuel_top'
    type = MatINSTemperatureNoBCBC
    variable = temp
    k = 'k'
  [../]
  [./temp_art_diff_fuel]
    boundary = 'fuel_top'
    type = ScalarAdvectionArtDiffNoBCBC
    variable = temp
    use_exp_form = false
  [../]
[]

[Problem]
  type = FEProblem
  coord_type = RZ
[../]

[Executioner]
  type = Transient
  end_time = 10000

  # line_search = none
  nl_rel_tol = 1e-6
  nl_abs_tol = 1e-5
  # trans_ss_check = true
  # ss_check_tol = 8e-9

  solve_type = 'NEWTON'
  petsc_options = '-snes_converged_reason -ksp_converged_reason -snes_linesearch_monitor'
  petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -ksp_type -snes_linesearch_minlambda -pc_factor_mat_solver_package'
  petsc_options_value = 'lu NONZERO 1.e-10 preonly 1e-3 mumps'

  nl_max_its = 20
  l_max_its = 10

  dtmin = 1e-5
  [./TimeStepper]
    type = IterationAdaptiveDT
    cutback_factor = 0.4
    dt = 1e-4
    growth_factor = 1.05
    optimal_iterations = 20
  [../]
[]

[Preconditioning]
  [./SMP]
    type = SMP
    full = true
  [../]
[]

[Outputs]
  csv = true
  [./out]
    type = Exodus
    execute_on = 'initial timestep_end'
  [../]
  [./dof_map]
    type = DOFMap
  [../]
[]

[Debug]
  show_var_residual_norms = true
[]

# [ICs]
#   [./temp_all_ic_func]
#     type = FunctionIC
#     variable = temp
#     function = temp_ic_func
#   [../]
# []

[Functions]
  [./temp_ic_func]
    type = ParsedFunction
    value = '(${initial_outlet_temp} - ${inlet_temp}) / ${reactor_height} * y + ${inlet_temp}'
  [../]
  [./nt_ic_func]
    type = ParsedFunction
    value = '4/${reactor_height} * y * (1 - y/${reactor_height})'
  [../]
[]

[Postprocessors]
  [./group1_current]
    type = IntegralNewVariablePostprocessor
    variable = group1
    outputs = 'csv console'
  [../]
  [./group1_old]
    type = IntegralOldVariablePostprocessor
    variable = group1
    outputs = 'csv console'
  [../]
  [./multiplication]
    type = DivisionPostprocessor
    value1 = group1_current
    value2 = group1_old
    outputs = 'csv console'
  [../]
  [./temp_fuel]
    type = ElementAverageValue
    variable = temp
    block = 'fuel'
    # execute_on = 'linear nonlinear'
    outputs = 'csv console'
  [../]
  [./temp_moder]
    type = ElementAverageValue
    variable = temp
    block = 'moder'
    # execute_on = 'linear nonlinear'
    outputs = 'csv console'
  [../]
[]

(problems/011317_notebook_add_temperature_coupling/Input_serpent.i)

flow_velocity=147 # Cammi 147 cm/s
inlet_temp=824
initial_outlet_temp=824
nt_scale=1e0
precursor_log_inlet_conc=-17
reactor_height=175 # Cammi 396 cm; critical_buckling_from_newt ~ 115 cm
global_temperature=900

[GlobalParams]
  num_groups = 2
  num_precursor_groups = 8
  use_exp_form = true
  group_fluxes = 'group1 group2'
  v_def = ${flow_velocity}
  tau = 1
  transient_simulation = true
  incompressible_flow = false
  # prec_scale = 1e5
[../]

[Mesh]
  file = 'cylinder_structured.msh'
[../]


[Nt]
  var_name_base = 'group'
  vacuum_boundaries = 'fuel_top graphite_top fuel_bottom graphite_bottom'
  temp_scaling = 1e0
  nt_ic_function = 'nt_ic_func'
  create_temperature_var = false
  # temperature = ${global_temperature}
  temperature_value = ${global_temperature}
[]

# [Precursors]
#   var_name_base = pre
#   block = 'fuel'
#   inlet_boundary = 'fuel_bottom'
#   inlet_boundary_condition = 'DirichletBC'
#   inlet_bc_value = ${precursor_log_inlet_conc}
#   outlet_boundary = 'fuel_top'
#   initial_condition = ${precursor_log_inlet_conc}
#   tau = 1
#   use_source_stabilization = true
#   offset = 24
# []

# [Kernels]
#   # Temperature
#   [./temp_flow_fuel]
#     block = 'fuel'
#     type = MatINSTemperatureRZ
#     variable = temp
#     rho = 'rho'
#     k = 'k'
#     cp = 'cp'
#     uz = ${flow_velocity}
#   [../]
#   [./temp_art_diff_fuel]
#     block = 'fuel'
#     type = ScalarAdvectionArtDiff
#     variable = temp
#     use_exp_form = false
#   [../]
#   [./temp_flow_moder]
#     block = 'moder'
#     type = MatINSTemperatureRZ
#     variable = temp
#     rho = 'rho'
#     k = 'k'
#     cp = 'cp'
#   [../]
#   [./temp_source]
#     type = TransientFissionHeatSource
#     variable = temp
#     nt_scale=${nt_scale}
#   [../]
#   [./temp_time_derivative]
#     type = MatINSTemperatureTimeDerivative
#     variable = temp
#     rho = 'rho'
#     cp = 'cp'
#   [../]
# []

[Materials]
  [./fuel]
    type = CammiFuel
    block = 'fuel'
    property_tables_root = '../property_file_dir/msr2g_Th_U_two_mat_homogenization_fuel_data_func_of_fuel_temp_'
    prop_names = 'cp'
    prop_values = '1357' # Cammi 2011 at 908 K
    interp_type = 'spline'
    temperature = ${global_temperature}
  [../]
  [./moder]
    type = CammiModerator
    block = 'moder'
    property_tables_root = '../property_file_dir/msr2g_Th_U_two_mat_homogenization_mod_data_func_of_mod_temp_'
    prop_names = 'rho cp'
    prop_values = '1.843e-3 1760' # Cammi 2011 at 908 K
    interp_type = 'spline'
    temperature = ${global_temperature}
  [../]
[]

# [BCs]
#   [./temp_inlet]
#     boundary = 'fuel_bottom graphite_bottom'
#     type = DirichletBC
#     variable = temp
#     value = ${inlet_temp}
#   [../]
#   [./temp_outlet]
#     boundary = 'fuel_top'
#     type = MatINSTemperatureNoBCBC
#     variable = temp
#     k = 'k'
#   [../]
#   [./temp_art_diff_fuel]
#     boundary = 'fuel_top'
#     type = ScalarAdvectionArtDiffNoBCBC
#     variable = temp
#     use_exp_form = false
#   [../]
# []

[Problem]
  type = FEProblem
  coord_type = RZ
[../]

[Executioner]
  type = Transient
  end_time = 10000

  # line_search = none
  nl_rel_tol = 1e-6
  # nl_abs_tol = 1e-5
  # trans_ss_check = true
  # ss_check_tol = 8e-9

  solve_type = 'NEWTON'
  petsc_options = '-snes_converged_reason -ksp_converged_reason -snes_linesearch_monitor'
  petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -ksp_type -snes_linesearch_minlambda -pc_factor_mat_solver_package'
  petsc_options_value = 'lu NONZERO 1.e-10 preonly 1e-3 mumps'

  nl_max_its = 10
  l_max_its = 10

  dtmin = 1e-5
  [./TimeStepper]
    type = IterationAdaptiveDT
    cutback_factor = 0.4
    dt = 1e-4
    growth_factor = 1.2
    optimal_iterations = 20
  [../]
[]

[Preconditioning]
  [./SMP]
    type = SMP
    full = true
  [../]
[]

[Outputs]
  csv = true
  [./out]
    type = Exodus
    execute_on = 'initial timestep_end'
  [../]
  [./dof_map]
    type = DOFMap
  [../]
[]

[Debug]
  show_var_residual_norms = true
[]

# [ICs]
#   # [./temp_ic]
#   #   type = ConstantIC
#   #   variable = temp
#   #   value = ${inlet_temp}
#   # [../]
#   [./temp_all_ic_func]
#     type = FunctionIC
#     variable = temp
#     function = temp_ic_func
#   [../]
# []

[Functions]
  [./temp_ic_func]
    type = ParsedFunction
    value = '(${initial_outlet_temp} - ${inlet_temp}) / ${reactor_height} * y + ${inlet_temp}'
  [../]
  [./nt_ic_func]
    type = ParsedFunction
    value = '4/${reactor_height} * y * (1 - y/${reactor_height})'
  [../]
[]

[Postprocessors]
  [./group1_current]
    type = IntegralNewVariablePostprocessor
    variable = group1
    outputs = 'csv console'
  [../]
  [./group1_old]
    type = IntegralOldVariablePostprocessor
    variable = group1
    outputs = 'csv console'
  [../]
  [./multiplication]
    type = DivisionPostprocessor
    value1 = group1_current
    value2 = group1_old
    outputs = 'csv console'
  [../]
  # [./temp_fuel]
  #   type = ElementAverageValue
  #   variable = temp
  #   block = 'fuel'
  #   # execute_on = 'linear nonlinear'
  #   outputs = 'csv console'
  # [../]
  # [./temp_moder]
  #   type = ElementAverageValue
  #   variable = temp
  #   block = 'moder'
  #   # execute_on = 'linear nonlinear'
  #   outputs = 'csv console'
  # [../]
[]

(problems/011317_notebook_perfectly_bracketed_critical_buckling_height_from_newt/Input.i)

flow_velocity=147 # Cammi 147 cm/s
inlet_temp=824
initial_outlet_temp=824
nt_scale=1e0
precursor_log_inlet_conc=-17
reactor_height=115 # Cammi 396 cm; critical_buckling_from_newt ~ 115 cm
global_temperature=950

[GlobalParams]
  num_groups = 2
  num_precursor_groups = 6
  use_exp_form = true
  group_fluxes = 'group1 group2'
  v_def = ${flow_velocity}
  tau = 1
  transient_simulation = true
  incompressible_flow = false
  # prec_scale = 1e5
[../]

[Mesh]
  file = 'cylinder_structured.msh'
[../]


[Nt]
  var_name_base = 'group'
  vacuum_boundaries = 'fuel_top graphite_top fuel_bottom graphite_bottom'
  temp_scaling = 1e0
  nt_ic_function = 'nt_ic_func'
  create_temperature_var = false
  # temperature = ${global_temperature}
  temperature_value = ${global_temperature}
[]

# [Precursors]
#   var_name_base = pre
#   block = 'fuel'
#   inlet_boundary = 'fuel_bottom'
#   inlet_boundary_condition = 'DirichletBC'
#   inlet_bc_value = ${precursor_log_inlet_conc}
#   outlet_boundary = 'fuel_top'
#   initial_condition = ${precursor_log_inlet_conc}
#   tau = 1
#   use_source_stabilization = true
#   offset = 24
# []

# [Kernels]
#   # Temperature
#   [./temp_flow_fuel]
#     block = 'fuel'
#     type = MatINSTemperatureRZ
#     variable = temp
#     rho = 'rho'
#     k = 'k'
#     cp = 'cp'
#     uz = ${flow_velocity}
#   [../]
#   [./temp_art_diff_fuel]
#     block = 'fuel'
#     type = ScalarAdvectionArtDiff
#     variable = temp
#     use_exp_form = false
#   [../]
#   [./temp_flow_moder]
#     block = 'moder'
#     type = MatINSTemperatureRZ
#     variable = temp
#     rho = 'rho'
#     k = 'k'
#     cp = 'cp'
#   [../]
#   [./temp_source]
#     type = TransientFissionHeatSource
#     variable = temp
#     nt_scale=${nt_scale}
#   [../]
#   [./temp_time_derivative]
#     type = MatINSTemperatureTimeDerivative
#     variable = temp
#     rho = 'rho'
#     cp = 'cp'
#   [../]
# []

[Materials]
  [./fuel]
    type = CammiFuel
    block = 'fuel'
    property_tables_root = '../property_file_dir/newt_fuel_'
    prop_names = 'cp'
    prop_values = '1357' # Cammi 2011 at 908 K
    interp_type = 'spline'
    temperature = ${global_temperature}
  [../]
  [./moder]
    type = CammiModerator
    block = 'moder'
    property_tables_root = '../property_file_dir/newt_mod_'
    prop_names = 'rho cp'
    prop_values = '1.843e-3 1760' # Cammi 2011 at 908 K
    interp_type = 'spline'
    temperature = ${global_temperature}
  [../]
[]

# [BCs]
#   [./temp_inlet]
#     boundary = 'fuel_bottom graphite_bottom'
#     type = DirichletBC
#     variable = temp
#     value = ${inlet_temp}
#   [../]
#   [./temp_outlet]
#     boundary = 'fuel_top'
#     type = MatINSTemperatureNoBCBC
#     variable = temp
#     k = 'k'
#   [../]
#   [./temp_art_diff_fuel]
#     boundary = 'fuel_top'
#     type = ScalarAdvectionArtDiffNoBCBC
#     variable = temp
#     use_exp_form = false
#   [../]
# []

[Problem]
  type = FEProblem
  coord_type = RZ
[../]

[Executioner]
  type = Transient
  end_time = 10000

  # line_search = none
  nl_rel_tol = 1e-6
  # nl_abs_tol = 1e-5
  # trans_ss_check = true
  # ss_check_tol = 8e-9

  solve_type = 'NEWTON'
  petsc_options = '-snes_converged_reason -ksp_converged_reason -snes_linesearch_monitor'
  petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -ksp_type -snes_linesearch_minlambda -pc_factor_mat_solver_package'
  petsc_options_value = 'lu NONZERO 1.e-10 preonly 1e-3 mumps'

  nl_max_its = 10
  l_max_its = 10

  dtmin = 1e-5
  [./TimeStepper]
    type = IterationAdaptiveDT
    cutback_factor = 0.4
    dt = 1e-4
    growth_factor = 1.2
    optimal_iterations = 20
  [../]
[]

[Preconditioning]
  [./SMP]
    type = SMP
    full = true
  [../]
[]

[Outputs]
  csv = true
  [./out]
    type = Exodus
    execute_on = 'initial timestep_end'
  [../]
  [./dof_map]
    type = DOFMap
  [../]
[]

[Debug]
  show_var_residual_norms = true
[]

# [ICs]
#   # [./temp_ic]
#   #   type = ConstantIC
#   #   variable = temp
#   #   value = ${inlet_temp}
#   # [../]
#   [./temp_all_ic_func]
#     type = FunctionIC
#     variable = temp
#     function = temp_ic_func
#   [../]
# []

[Functions]
  [./temp_ic_func]
    type = ParsedFunction
    value = '(${initial_outlet_temp} - ${inlet_temp}) / ${reactor_height} * y + ${inlet_temp}'
  [../]
  [./nt_ic_func]
    type = ParsedFunction
    value = '4/${reactor_height} * y * (1 - y/${reactor_height})'
  [../]
[]

[Postprocessors]
  [./group1_current]
    type = IntegralNewVariablePostprocessor
    variable = group1
    outputs = 'csv console'
  [../]
  [./group1_old]
    type = IntegralOldVariablePostprocessor
    variable = group1
    outputs = 'csv console'
  [../]
  [./multiplication]
    type = DivisionPostprocessor
    value1 = group1_current
    value2 = group1_old
    outputs = 'csv console'
  [../]
  # [./temp_fuel]
  #   type = ElementAverageValue
  #   variable = temp
  #   block = 'fuel'
  #   # execute_on = 'linear nonlinear'
  #   outputs = 'csv console'
  # [../]
  # [./temp_moder]
  #   type = ElementAverageValue
  #   variable = temp
  #   block = 'moder'
  #   # execute_on = 'linear nonlinear'
  #   outputs = 'csv console'
  # [../]
[]

(problems/011317_notebook_perfectly_bracketed_critical_buckling_height_from_newt/Input_serpent.i)

flow_velocity=147 # Cammi 147 cm/s
inlet_temp=824
initial_outlet_temp=824
nt_scale=1e0
precursor_log_inlet_conc=-17
reactor_height=175 # Cammi 396 cm; critical_buckling_from_newt ~ 115 cm
global_temperature=900

[GlobalParams]
  num_groups = 2
  num_precursor_groups = 8
  use_exp_form = true
  group_fluxes = 'group1 group2'
  v_def = ${flow_velocity}
  tau = 1
  transient_simulation = true
  incompressible_flow = false
  # prec_scale = 1e5
[../]

[Mesh]
  file = 'cylinder_structured.msh'
[../]


[Nt]
  var_name_base = 'group'
  vacuum_boundaries = 'fuel_top graphite_top fuel_bottom graphite_bottom'
  temp_scaling = 1e0
  nt_ic_function = 'nt_ic_func'
  create_temperature_var = false
  # temperature = ${global_temperature}
  temperature_value = ${global_temperature}
[]

# [Precursors]
#   var_name_base = pre
#   block = 'fuel'
#   inlet_boundary = 'fuel_bottom'
#   inlet_boundary_condition = 'DirichletBC'
#   inlet_bc_value = ${precursor_log_inlet_conc}
#   outlet_boundary = 'fuel_top'
#   initial_condition = ${precursor_log_inlet_conc}
#   tau = 1
#   use_source_stabilization = true
#   offset = 24
# []

# [Kernels]
#   # Temperature
#   [./temp_flow_fuel]
#     block = 'fuel'
#     type = MatINSTemperatureRZ
#     variable = temp
#     rho = 'rho'
#     k = 'k'
#     cp = 'cp'
#     uz = ${flow_velocity}
#   [../]
#   [./temp_art_diff_fuel]
#     block = 'fuel'
#     type = ScalarAdvectionArtDiff
#     variable = temp
#     use_exp_form = false
#   [../]
#   [./temp_flow_moder]
#     block = 'moder'
#     type = MatINSTemperatureRZ
#     variable = temp
#     rho = 'rho'
#     k = 'k'
#     cp = 'cp'
#   [../]
#   [./temp_source]
#     type = TransientFissionHeatSource
#     variable = temp
#     nt_scale=${nt_scale}
#   [../]
#   [./temp_time_derivative]
#     type = MatINSTemperatureTimeDerivative
#     variable = temp
#     rho = 'rho'
#     cp = 'cp'
#   [../]
# []

[Materials]
  [./fuel]
    type = CammiFuel
    block = 'fuel'
    property_tables_root = '../property_file_dir/msr2g_Th_U_two_mat_homogenization_fuel_data_func_of_fuel_temp_'
    prop_names = 'cp'
    prop_values = '1357' # Cammi 2011 at 908 K
    interp_type = 'spline'
    temperature = ${global_temperature}
  [../]
  [./moder]
    type = CammiModerator
    block = 'moder'
    property_tables_root = '../property_file_dir/msr2g_Th_U_two_mat_homogenization_mod_data_func_of_mod_temp_'
    prop_names = 'rho cp'
    prop_values = '1.843e-3 1760' # Cammi 2011 at 908 K
    interp_type = 'spline'
    temperature = ${global_temperature}
  [../]
[]

# [BCs]
#   [./temp_inlet]
#     boundary = 'fuel_bottom graphite_bottom'
#     type = DirichletBC
#     variable = temp
#     value = ${inlet_temp}
#   [../]
#   [./temp_outlet]
#     boundary = 'fuel_top'
#     type = MatINSTemperatureNoBCBC
#     variable = temp
#     k = 'k'
#   [../]
#   [./temp_art_diff_fuel]
#     boundary = 'fuel_top'
#     type = ScalarAdvectionArtDiffNoBCBC
#     variable = temp
#     use_exp_form = false
#   [../]
# []

[Problem]
  type = FEProblem
  coord_type = RZ
[../]

[Executioner]
  type = Transient
  end_time = 10000

  # line_search = none
  nl_rel_tol = 1e-6
  # nl_abs_tol = 1e-5
  # trans_ss_check = true
  # ss_check_tol = 8e-9

  solve_type = 'NEWTON'
  petsc_options = '-snes_converged_reason -ksp_converged_reason -snes_linesearch_monitor'
  petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -ksp_type -snes_linesearch_minlambda -pc_factor_mat_solver_package'
  petsc_options_value = 'lu NONZERO 1.e-10 preonly 1e-3 mumps'

  nl_max_its = 10
  l_max_its = 10

  dtmin = 1e-5
  [./TimeStepper]
    type = IterationAdaptiveDT
    cutback_factor = 0.4
    dt = 1e-4
    growth_factor = 1.2
    optimal_iterations = 20
  [../]
[]

[Preconditioning]
  [./SMP]
    type = SMP
    full = true
  [../]
[]

[Outputs]
  csv = true
  [./out]
    type = Exodus
    execute_on = 'initial timestep_end'
  [../]
  [./dof_map]
    type = DOFMap
  [../]
[]

[Debug]
  show_var_residual_norms = true
[]

# [ICs]
#   # [./temp_ic]
#   #   type = ConstantIC
#   #   variable = temp
#   #   value = ${inlet_temp}
#   # [../]
#   [./temp_all_ic_func]
#     type = FunctionIC
#     variable = temp
#     function = temp_ic_func
#   [../]
# []

[Functions]
  [./temp_ic_func]
    type = ParsedFunction
    value = '(${initial_outlet_temp} - ${inlet_temp}) / ${reactor_height} * y + ${inlet_temp}'
  [../]
  [./nt_ic_func]
    type = ParsedFunction
    value = '4/${reactor_height} * y * (1 - y/${reactor_height})'
  [../]
[]

[Postprocessors]
  [./group1_current]
    type = IntegralNewVariablePostprocessor
    variable = group1
    outputs = 'csv console'
  [../]
  [./group1_old]
    type = IntegralOldVariablePostprocessor
    variable = group1
    outputs = 'csv console'
  [../]
  [./multiplication]
    type = DivisionPostprocessor
    value1 = group1_current
    value2 = group1_old
    outputs = 'csv console'
  [../]
  # [./temp_fuel]
  #   type = ElementAverageValue
  #   variable = temp
  #   block = 'fuel'
  #   # execute_on = 'linear nonlinear'
  #   outputs = 'csv console'
  # [../]
  # [./temp_moder]
  #   type = ElementAverageValue
  #   variable = temp
  #   block = 'moder'
  #   # execute_on = 'linear nonlinear'
  #   outputs = 'csv console'
  # [../]
[]

(problems/011317_notebook_add_temperature_coupling/Input.i)

flow_velocity=147 # Cammi 147 cm/s
inlet_temp=824
initial_outlet_temp=824
nt_scale=1e16
precursor_log_inlet_conc=-17
reactor_height=115 # Cammi 396 cm; critical_buckling_from_newt ~ 115 cm
global_temperature=temp

[GlobalParams]
  num_groups = 2
  num_precursor_groups = 6
  use_exp_form = true
  group_fluxes = 'group1 group2'
  v_def = ${flow_velocity}
  tau = 1
  transient_simulation = true
  incompressible_flow = false
  # prec_scale = 1e5
[../]

[Mesh]
  file = 'cylinder_structured.msh'
[../]


[Nt]
  var_name_base = 'group'
  vacuum_boundaries = 'fuel_top graphite_top fuel_bottom graphite_bottom'
  temp_scaling = 1e0
  nt_ic_function = 'nt_ic_func'
  # create_temperature_var = false
  temperature = ${global_temperature}
  # temperature_value = ${global_temperature}
[]

# [Precursors]
#   var_name_base = pre
#   block = 'fuel'
#   inlet_boundary = 'fuel_bottom'
#   inlet_boundary_condition = 'DirichletBC'
#   inlet_bc_value = ${precursor_log_inlet_conc}
#   outlet_boundary = 'fuel_top'
#   initial_condition = ${precursor_log_inlet_conc}
#   tau = 1
#   use_source_stabilization = true
#   offset = 24
# []

[Kernels]
  # Temperature
  [./temp_flow_fuel]
    block = 'fuel'
    type = MatINSTemperatureRZ
    variable = temp
    rho = 'rho'
    k = 'k'
    cp = 'cp'
    uz = ${flow_velocity}
  [../]
  [./temp_art_diff_fuel]
    block = 'fuel'
    type = ScalarAdvectionArtDiff
    variable = temp
    use_exp_form = false
  [../]
  [./temp_flow_moder]
    block = 'moder'
    type = MatINSTemperatureRZ
    variable = temp
    rho = 'rho'
    k = 'k'
    cp = 'cp'
  [../]
  [./temp_source]
    type = TransientFissionHeatSource
    variable = temp
    nt_scale=${nt_scale}
  [../]
  [./temp_time_derivative]
    type = MatINSTemperatureTimeDerivative
    variable = temp
    rho = 'rho'
    cp = 'cp'
  [../]
[]

[Materials]
  [./fuel]
    type = CammiFuel
    block = 'fuel'
    property_tables_root = '../property_file_dir/newt_fuel_'
    prop_names = 'cp'
    prop_values = '1357' # Cammi 2011 at 908 K
    interp_type = 'spline'
    temperature = ${global_temperature}
  [../]
  [./moder]
    type = CammiModerator
    block = 'moder'
    property_tables_root = '../property_file_dir/newt_mod_'
    prop_names = 'rho cp'
    prop_values = '1.843e-3 1760' # Cammi 2011 at 908 K
    interp_type = 'spline'
    temperature = ${global_temperature}
  [../]
[]

[BCs]
  [./temp_inlet]
    boundary = 'fuel_bottom graphite_bottom'
    type = DirichletBC
    variable = temp
    value = ${inlet_temp}
  [../]
  [./temp_outlet]
    boundary = 'fuel_top'
    type = MatINSTemperatureNoBCBC
    variable = temp
    k = 'k'
  [../]
  [./temp_art_diff_fuel]
    boundary = 'fuel_top'
    type = ScalarAdvectionArtDiffNoBCBC
    variable = temp
    use_exp_form = false
  [../]
[]

[Problem]
  type = FEProblem
  coord_type = RZ
[../]

[Executioner]
  type = Transient
  end_time = 10000

  # line_search = none
  nl_rel_tol = 1e-6
  nl_abs_tol = 1e-5
  # trans_ss_check = true
  # ss_check_tol = 8e-9

  solve_type = 'NEWTON'
  petsc_options = '-snes_converged_reason -ksp_converged_reason -snes_linesearch_monitor'
  petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -ksp_type -snes_linesearch_minlambda -pc_factor_mat_solver_package'
  petsc_options_value = 'lu NONZERO 1.e-10 preonly 1e-3 mumps'

  nl_max_its = 10
  l_max_its = 10

  dtmin = 1e-5
  [./TimeStepper]
    type = IterationAdaptiveDT
    cutback_factor = 0.4
    dt = 1e-4
    growth_factor = 1.05
    optimal_iterations = 20
  [../]
[]

[Preconditioning]
  [./SMP]
    type = SMP
    full = true
  [../]
[]

[Outputs]
  csv = true
  [./out]
    type = Exodus
    execute_on = 'initial timestep_end'
  [../]
  [./dof_map]
    type = DOFMap
  [../]
[]

[Debug]
  show_var_residual_norms = true
[]

[ICs]
  # [./temp_ic]
  #   type = ConstantIC
  #   variable = temp
  #   value = ${inlet_temp}
  # [../]
  [./temp_all_ic_func]
    type = FunctionIC
    variable = temp
    function = temp_ic_func
  [../]
[]

[Functions]
  [./temp_ic_func]
    type = ParsedFunction
    value = '(${initial_outlet_temp} - ${inlet_temp}) / ${reactor_height} * y + ${inlet_temp}'
  [../]
  [./nt_ic_func]
    type = ParsedFunction
    value = '4/${reactor_height} * y * (1 - y/${reactor_height})'
  [../]
[]

[Postprocessors]
  [./group1_current]
    type = IntegralNewVariablePostprocessor
    variable = group1
    outputs = 'csv console'
  [../]
  [./group1_old]
    type = IntegralOldVariablePostprocessor
    variable = group1
    outputs = 'csv console'
  [../]
  [./multiplication]
    type = DivisionPostprocessor
    value1 = group1_current
    value2 = group1_old
    outputs = 'csv console'
  [../]
  [./temp_fuel]
    type = ElementAverageValue
    variable = temp
    block = 'fuel'
    # execute_on = 'linear nonlinear'
    outputs = 'csv console'
  [../]
  [./temp_moder]
    type = ElementAverageValue
    variable = temp
    block = 'moder'
    # execute_on = 'linear nonlinear'
    outputs = 'csv console'
  [../]
[]

Overview
Example Input File Syntax
Input Parameters
Input Files