ThermocoupleSensorPostprocessor

This is a ThermocoupleSensorPostprocessor for various classes of thermocouples, described by the 'thermocouple_type' parameter

Description

ThermocoupleSensorPostprocessor object implements a thermocouple sensor that takes in the calculated input signal from moose and outputs a realistic and sensor-mediated output that accounts for efficiency, drift, delay and noise of the sensor in question. Different types of thermocouples are included. This is a child class of GeneralSensorPostprocessor.

From the GeneralSensorPostprocessor, $var element = document.getElementById("moose-equation-24343828-f07a-40ba-b02f-dc0ae5856f34");katex.render(" \\tilde{u}(t) = u(t) + f_{SN}(t)n(\\sigma(t)) ", element, {displayMode:true,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$

$var element = document.getElementById("moose-equation-dd51ef19-5ad3-48f5-b533-7711392c8dbb");katex.render("v(t) = \\mu(t) + \\eta(t) \\left\\{ K_p \\tilde{u}(t-\\tau(t)) + K_i \\int_{0}^{t} \\tilde{u}(t') R(t, t') dt' \\right\\} + \\epsilon(\\sigma(t))", element, {displayMode:true,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$

For a thermocouple, $var element = document.getElementById("moose-equation-13763629-a6b1-4830-b3c6-f9ade905cb49");katex.render("R(t, t') = \\frac{e^{-(t-t')/\\tau}}{\\tau} ,", element, {displayMode:true,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$

$var element = document.getElementById("moose-equation-653f505c-3d90-4434-8123-3eb35bd09bd7");katex.render("K_p=0, K_i=1,", element, {displayMode:true,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$

$var element = document.getElementById("moose-equation-8cf56439-0f0f-492d-a161-4d58c756812b");katex.render("v(t) = \\mu(t) + \\eta(t)~\\int_{0}^{t} \\tilde{u}(t') e^{(t-t')/\\tau} dt' + \\epsilon(\\sigma(t))", element, {displayMode:true,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$

Input Parameters

input_signalThe input signal postprocessor
C++ Type:PostprocessorName
Unit:(no unit assumed)
Controllable:No
Description:The input signal postprocessor

Required Parameters

R_function1The function R for the integration term.
Default:1
C++ Type:FunctionName
Unit:(no unit assumed)
Controllable:No
Description:The function R for the integration term.
delay_function0.1Delay function describing the delay over time
Default:0.1
C++ Type:FunctionName
Unit:(no unit assumed)
Controllable:No
Description:Delay function describing the delay over time
drift_function0Drift function describing signal drift over time
Default:0
C++ Type:FunctionName
Unit:(no unit assumed)
Controllable:No
Description:Drift function describing signal drift over time
efficiency_function0.8Efficiency function describing efficiency over time
Default:0.8
C++ Type:FunctionName
Unit:(no unit assumed)
Controllable:No
Description:Efficiency function describing efficiency over time
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, TRANSFER
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.
integral_weight1The weight assigned to the integral term
Default:1
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:The weight assigned to the integral term
noise_std_dev_function0.5Standard deviation of noise function describing noise standard deviation over time
Default:0.5
C++ Type:FunctionName
Unit:(no unit assumed)
Controllable:No
Description:Standard deviation of noise function describing noise standard deviation over time
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.
proportional_weight0The weight assigned to the proportional term
Default:0
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:The weight assigned to the proportional term
seed1Seed for the random number generator
Default:1
C++ Type:unsigned int
Unit:(no unit assumed)
Controllable:No
Description:Seed for the random number generator
signalToNoise_function0.2Signal to noise ratio for the modeled sensor
Default:0.2
C++ Type:FunctionName
Unit:(no unit assumed)
Controllable:No
Description:Signal to noise ratio for the modeled sensor
uncertainty_std_dev_function0.1Standard deviation of uncertainty function describing uncertainty std dev over time
Default:0.1
C++ Type:FunctionName
Unit:(no unit assumed)
Controllable:No
Description:Standard deviation of uncertainty function describing uncertainty std dev over time
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.
vector_size1e+09The maximum size of vector to be saved
Default:1e+09
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:The maximum size of vector to be saved

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.
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.
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/misc/test/tests/sensor_postprocessor/steady_thermocouple_sensor.i)
(modules/misc/test/tests/sensor_postprocessor/transient_thermocouple_sensor.i)

References

No citations exist within this document.

(modules/misc/test/tests/sensor_postprocessor/steady_thermocouple_sensor.i)

[Mesh]
  [gmg]
    type = GeneratedMeshGenerator
    dim = 2
    nx = 10
    ny = 10
  []
  coord_type = RZ
  rz_coord_axis = X
[]

[Variables]
  [temperature]
    initial_condition = 600 # Start at room temperature
  []
[]

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

[BCs]
  [inlet_temperature]
    type = DirichletBC
    variable = temperature
    boundary = left
    value = 600 # (K)
  []
  [outlet_temperature]
    type = DirichletBC
    variable = temperature
    boundary = right
    value = 602 # (K)
  []
[]

[Materials]
  [steel]
    type = ADGenericConstantMaterial
    prop_names = 'thermal_conductivity'
    prop_values = '18' # W/m*K @ 296K
  []
[]

[Postprocessors]
  [input_signal_pp]
    type = ElementAverageValue
    variable = temperature
  []
  [thermo_sensor_pp]
    type = ThermocoupleSensorPostprocessor
    input_signal = input_signal_pp
    uncertainty_std_dev_function = '0'
    noise_std_dev_function = '0'
  []
[]

[Executioner]
  type = Steady
  nl_rel_tol = 1e-02
  nl_abs_tol = 1e-8
[]

[Outputs]
  csv = true
[]

(modules/misc/test/tests/sensor_postprocessor/transient_thermocouple_sensor.i)

[Mesh]
  [gmg]
    type = GeneratedMeshGenerator
    dim = 2
    nx = 10
    ny = 10
  []
  coord_type = RZ
  rz_coord_axis = X
[]

[Variables]
  [temperature]
    initial_condition = 600 # Start at room temperature
  []
[]

[Kernels]
  [heat_conduction]
    type = ADMatDiffusion
    variable = temperature
    diffusivity = thermal_conductivity
  []
  [heat_conduction_time_derivative]
    type = ADTimeDerivative
    variable = temperature
  []
[]

[BCs]
  [inlet_temperature]
    type = DirichletBC
    variable = temperature
    boundary = left
    value = 600 # (K)
  []
  [outlet_temperature]
    type = DirichletBC
    variable = temperature
    boundary = right
    value = 602 # (K)
  []
[]

[Materials]
  [steel]
    type = ADGenericConstantMaterial
    prop_names = 'thermal_conductivity specific_heat density'
    prop_values = '18 0.466 80' # W/m*K, J/kg-K, kg/m^3 @ 296K
  []
[]

[Problem]
  type = FEProblem
[]

[Postprocessors]
  [input_signal_pp]
    type = ElementAverageValue
    variable = temperature
  []
  [thermo_sensor_pp]
    type = ThermocoupleSensorPostprocessor
    input_signal = input_signal_pp
    drift_function = '1'
    delay_function = '0.1'
    efficiency_function = '1'
    signalToNoise_function = '1.0'
    noise_std_dev_function = '1'
    uncertainty_std_dev_function = '1'
  []
[]

[Executioner]
  type = Transient
  line_search = none
  dt = 0.1
  num_steps = 50
  nl_rel_tol = 1e-02
  nl_abs_tol = 1e-8
  solve_type = NEWTON
  petsc_options_iname = '-pc_type -pc_hypre_type'
  petsc_options_value = 'hypre boomeramg'
[]

[Outputs]
  csv = true
[]

Description
Input Parameters
Input Files
References