- 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
- emThe electron density.
C++ Type:std::vector<VariableName>
Unit:(no unit assumed)
Controllable:No
Description:The electron density.
- ipThe ion density density.
C++ Type:std::vector<VariableName>
Unit:(no unit assumed)
Controllable:No
Description:The ion density density.
- mean_enThe mean energy variable.
C++ Type:std::vector<VariableName>
Unit:(no unit assumed)
Controllable:No
Description:The mean energy variable.
- potentialThe electrical potential.
C++ Type:std::vector<VariableName>
Unit:(no unit assumed)
Controllable:No
Description:The electrical potential.
- use_molesFalseWhether the densities are in molar units.
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Whether the densities are in molar units.
CurrentDensityShapeSideUserObject
buildconstruction:Undocumented Class
The CurrentDensityShapeSideUserObject 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.
Calculates the total current at a boundary
Overview
Example Input File Syntax
Input Parameters
- 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: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.
- 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.
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).
- compute_jacobiansTrueCompute Jacobians for coupled variables
Default:True
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Compute Jacobians for coupled variables
- 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
- 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
(test/tests/Schottky_emission/Example4/Jac.i)
dom0Scale = 1
dom0Size = 2E-6 #m
vhigh = 230E-3 #kV
negVHigh = -230E-3 #kV
# relaxTime = 50E-6 #s
threeTimesRelaxTime = 150E-6 #s
resistance = 1
area = 5.02e-7 # Formerly 3.14e-6
[GlobalParams]
# offset = 25
potential_units = kV
# potential_units = V
use_moles = true
[]
[Mesh]
# type = FileMesh
# file = 'Geometry.msh'
type = GeneratedMesh
nx = 1
dim = 1
xmax = ${dom0Size}
[]
[Problem]
type = FEProblem
kernel_coverage_check = false
[]
[Preconditioning]
[smp]
type = SMP
full = true
[]
[]
[Executioner]
type = Transient
# line_search = none
end_time = 10E6
steady_state_detection = 1
steady_state_tolerance = 1E-15
steady_state_start_time = ${threeTimesRelaxTime}
petsc_options = '-snes_converged_reason -snes_linesearch_monitor -snes_test_display'
solve_type = NEWTON
petsc_options_iname = '-snes_type'
petsc_options_value = 'test'
nl_rel_tol = 1e-8
nl_abs_tol = 1e-10
dtmin = 1e-25
# dtmax = 1E-6
nl_max_its = 200
[TimeSteppers]
[Adaptive]
type = IterationAdaptiveDT
cutback_factor = 0.4
dt = 1e-13
growth_factor = 1.2
optimal_iterations = 100
[]
[]
[]
[Outputs]
perf_graph = true
print_linear_residuals = false
[out]
type = Exodus
# execute_on = 'final'
[]
[]
[Debug]
show_var_residual_norms = true
[]
[UserObjects]
[current_density_user_object]
type = CurrentDensityShapeSideUserObject
boundary = left
potential = potential
em = em
ip = Arp
mean_en = mean_en
execute_on = 'linear nonlinear'
[]
[data_provider]
type = ProvideMobility
electrode_area = ${area}
ballast_resist = ${resistance}
e = 1.6e-19
[]
[]
[Kernels]
## Stabilization
# [Arp_log_stabilization]
# type = LogStabilizationMoles
# variable = Arp
# offset = 20
# block = 0
# []
# [em_log_stabilization]
# type = LogStabilizationMoles
# variable = em
# offset = 20
# block = 0
# []
# [mean_en_log_stabilization]
# type = LogStabilizationMoles
# variable = mean_en
# block = 0
# offset = 35
# []
# # [mean_en_advection_stabilization]
# # type = EFieldArtDiff
# # variable = mean_en
# # potential = potential
# # block = 0
# # []
# [em_time_deriv]
# type = ElectronTimeDerivative
# variable = em
# block = 0
# []
# [em_advection]
# type = EFieldAdvection
# variable = em
# potential = potential
# mean_en = mean_en
# block = 0
# position_units = ${dom0Scale}
# []
# [em_diffusion]
# type = CoeffDiffusion
# variable = em
# mean_en = mean_en
# block = 0
# position_units = ${dom0Scale}
# []
# [em_ionization]
# type = ElectronsFromIonization
# em = em
# variable = em
# potential = potential
# mean_en = mean_en
# block = 0
# position_units = ${dom0Scale}
# []
# [potential_diffusion_dom1]
# type = CoeffDiffusionLin
# variable = potential
# block = 0
# position_units = ${dom0Scale}
# []
# [Arp_charge_source]
# type = ChargeSourceMoles_KV
# variable = potential
# charged = Arp
# block = 0
# []
# [em_charge_source]
# type = ChargeSourceMoles_KV
# variable = potential
# charged = em
# block = 0
# []
# [Arp_time_deriv]
# type = ElectronTimeDerivative
# variable = Arp
# block = 0
# []
# [Arp_advection]
# type = EFieldAdvection
# variable = Arp
# potential = potential
# position_units = ${dom0Scale}
# block = 0
# []
# [Arp_diffusion]
# type = CoeffDiffusion
# variable = Arp
# block = 0
# position_units = ${dom0Scale}
# []
# [Arp_ionization]
# type = IonsFromIonization
# variable = Arp
# potential = potential
# em = em
# mean_en = mean_en
# block = 0
# position_units = ${dom0Scale}
# []
# [mean_en_time_deriv]
# type = ElectronTimeDerivative
# variable = mean_en
# block = 0
# []
# [mean_en_advection]
# type = EFieldAdvection
# variable = mean_en
# potential = potential
# em = em
# block = 0
# position_units = ${dom0Scale}
# []
# [mean_en_diffusion]
# type = CoeffDiffusion
# variable = mean_en
# em = em
# block = 0
# position_units = ${dom0Scale}
# []
# [mean_en_joule_heating]
# type = JouleHeating
# variable = mean_en
# potential = potential
# em = em
# block = 0
# position_units = ${dom0Scale}
# []
# [mean_en_ionization]
# type = ElectronEnergyLossFromIonization
# variable = mean_en
# potential = potential
# em = em
# block = 0
# position_units = ${dom0Scale}
# []
# [mean_en_elastic]
# type = ElectronEnergyLossFromElastic
# variable = mean_en
# potential = potential
# em = em
# block = 0
# position_units = ${dom0Scale}
# []
# [mean_en_excitation]
# type = ElectronEnergyLossFromExcitation
# variable = mean_en
# potential = potential
# em = em
# block = 0
# position_units = ${dom0Scale}
# []
[]
[Variables]
[potential]
[]
[em]
block = 0
[]
[Arp]
block = 0
[]
[mean_en]
block = 0
[]
[]
[AuxVariables]
[e_temp]
block = 0
order = CONSTANT
family = MONOMIAL
[]
[x]
order = CONSTANT
family = MONOMIAL
[]
[x_node]
[]
[rho]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[em_lin]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[Arp_lin]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[Efield]
order = CONSTANT
family = MONOMIAL
[]
[Current_em]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[Current_Arp]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[tot_gas_current]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[EFieldAdvAux_em]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[DiffusiveFlux_em]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[PowerDep_em]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[PowerDep_Arp]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[ProcRate_el]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[ProcRate_ex]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[ProcRate_iz]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[]
[AuxKernels]
[PowerDep_em]
type = ADPowerDep
density_log = em
potential = potential
art_diff = false
potential_units = kV
variable = PowerDep_em
position_units = ${dom0Scale}
block = 0
[]
[PowerDep_Arp]
type = ADPowerDep
density_log = Arp
potential = potential
art_diff = false
potential_units = kV
variable = PowerDep_Arp
position_units = ${dom0Scale}
block = 0
[]
[ProcRate_el]
type = ADProcRate
em = em
potential = potential
proc = el
variable = ProcRate_el
position_units = ${dom0Scale}
block = 0
[]
[ProcRate_ex]
type = ADProcRate
em = em
potential = potential
proc = ex
variable = ProcRate_ex
position_units = ${dom0Scale}
block = 0
[]
[ProcRate_iz]
type = ADProcRate
em = em
potential = potential
proc = iz
variable = ProcRate_iz
position_units = ${dom0Scale}
block = 0
[]
[e_temp]
type = ElectronTemperature
variable = e_temp
electron_density = em
mean_en = mean_en
block = 0
[]
[x_g]
type = Position
variable = x
position_units = ${dom0Scale}
block = 0
[]
[x_ng]
type = Position
variable = x_node
position_units = ${dom0Scale}
block = 0
[]
[rho]
type = ParsedAux
variable = rho
coupled_variables = 'em_lin Arp_lin'
expression = 'Arp_lin - em_lin'
execute_on = 'timestep_end'
block = 0
[]
[tot_gas_current]
type = ParsedAux
variable = tot_gas_current
coupled_variables = 'Current_em Current_Arp'
expression = 'Current_em + Current_Arp'
execute_on = 'timestep_end'
block = 0
[]
[em_lin]
type = Density
# convert_moles = true
variable = em_lin
density_log = em
block = 0
[]
[Arp_lin]
type = Density
# convert_moles = true
variable = Arp_lin
density_log = Arp
block = 0
[]
[Efield_g]
type = Efield
component = 0
potential = potential
variable = Efield
position_units = ${dom0Scale}
block = 0
[]
[Current_em]
type = ADCurrent
potential = potential
density_log = em
variable = Current_em
art_diff = false
block = 0
position_units = ${dom0Scale}
[]
[Current_Arp]
type = ADCurrent
potential = potential
density_log = Arp
variable = Current_Arp
art_diff = false
block = 0
position_units = ${dom0Scale}
[]
[EFieldAdvAux_em]
type = ADEFieldAdvAux
potential = potential
density_log = em
variable = EFieldAdvAux_em
block = 0
position_units = ${dom0Scale}
[]
[DiffusiveFlux_em]
type = ADDiffusiveFlux
density_log = em
variable = DiffusiveFlux_em
block = 0
position_units = ${dom0Scale}
[]
[]
[BCs]
## Potential boundary conditions ##
# [potential_left]
# type = NeumannCircuitVoltageMoles_KV
# variable = potential
# boundary = left
# function = potential_bc_func
# ions = Arp
# data_provider = data_provider
# electrons = em
# electron_energy = mean_en
# r = 0
# position_units = ${dom0Scale}
# []
[potential_left]
boundary = left
type = PenaltyCircuitPotential
variable = potential
current = current_density_user_object
surface_potential = ${negVHigh}
surface = 'cathode'
penalty = 1
data_provider = data_provider
electrons = em
ions = Arp
electron_energy = mean_en
area = ${area}
potential_units = 'kV'
position_units = ${dom0Scale}
resistance = ${resistance}
[]
# [potential_dirichlet_right]
# type = DirichletBC
# variable = potential
# boundary = right
# value = 0
# []
# ## Electron boundary conditions ##
# [Emission_left]
# type = SchottkyEmissionBC
# # type = SecondaryElectronBC
# variable = em
# boundary = 'left'
# potential = potential
# ions = Arp
# electron_energy = mean_en
# r = 1
# position_units = ${dom0Scale}
# # tau = ${relaxTime}
# relax = true
# []
# # [em_physical_left]
# # type = HagelaarElectronBC
# # variable = em
# # boundary = 'left'
# # potential = potential
# # electron_energy = mean_en
# # r = 0
# # position_units = ${dom0Scale}
# # []
# [em_physical_right]
# type = HagelaarElectronAdvectionBC
# variable = em
# boundary = right
# potential = potential
# electron_energy = mean_en
# r = 0
# position_units = ${dom0Scale}
# []
# ## Argon boundary conditions ##
# [Arp_physical_left_diffusion]
# type = HagelaarIonDiffusionBC
# variable = Arp
# boundary = 'left'
# r = 0
# position_units = ${dom0Scale}
# []
# [Arp_physical_left_advection]
# type = HagelaarIonAdvectionBC
# variable = Arp
# boundary = 'left'
# potential = potential
# r = 0
# position_units = ${dom0Scale}
# []
# [Arp_physical_right_diffusion]
# type = HagelaarIonDiffusionBC
# variable = Arp
# boundary = right
# r = 0
# position_units = ${dom0Scale}
# []
# [Arp_physical_right_advection]
# type = HagelaarIonAdvectionBC
# variable = Arp
# boundary = right
# potential = potential
# r = 0
# position_units = ${dom0Scale}
# []
# ## Mean energy boundary conditions ##
# [mean_en_physical_left]
# type = HagelaarEnergyBC
# variable = mean_en
# boundary = 'left'
# potential = potential
# electrons = em
# ions = Arp
# r = 0
# position_units = ${dom0Scale}
# []
# [mean_en_physical_right]
# type = HagelaarEnergyBC
# variable = mean_en
# boundary = right
# potential = potential
# electrons = em
# ions = Arp
# r = 0
# position_units = ${dom0Scale}
# []
[]
[ICs]
[potential_ic]
type = FunctionIC
variable = potential
function = potential_ic_func
[]
[em_ic]
variable = em
type = RandomIC
block = 0
min = -20
max = -15
[]
[Arp_ic]
variable = Arp
type = RandomIC
block = 0
min = -20
max = -15
[]
[mean_en_ic]
variable = mean_en
type = RandomIC
block = 0
min = -20
max = -15
[]
[]
[Functions]
# [potential_bc_func]
# type = ParsedFunction
# symbol_names = 'VHigh'
# symbol_values = '${vhigh}'
# expression = 'VHigh'
# []
[potential_ic_func]
type = ParsedFunction
expression = '-${vhigh} * (${dom0Size} - x) / ${dom0Size}'
[]
[]
[Materials]
[gas_block]
type = Gas
interp_trans_coeffs = true
interp_elastic_coeff = true
ramp_trans_coeffs = false
em = em
potential = potential
ip = Arp
mean_en = mean_en
user_se_coeff = 0.02
user_work_function = 4.55 # eV
user_field_enhancement = 55
user_Richardson_coefficient = 80E4
user_cathode_temperature = 1273
property_tables_file = td_argon_mean_en.txt
block = 0
[]
[]
(test/tests/Schottky_emission/Example4/Input.i)
dom0Scale = 1
dom0Size = 2E-6 #m
vhigh = -230E-3 #kV
negVHigh = 230E-3 #kV
relaxTime = 1e-9 #s
threeTimesRelaxTime = 3e-9 #s
resistance = 1
area = 5.02e-7 # Formerly 3.14e-6
[GlobalParams]
potential_units = kV
use_moles = true
[]
[Mesh]
[file]
type = FileMeshGenerator
file = 'Geometry.msh'
[]
[add_left]
type = SideSetsFromNormalsGenerator
normals = '-1 0 0'
new_boundary = 'left'
input = file
[]
[add_right]
type = SideSetsFromNormalsGenerator
normals = '1 0 0'
new_boundary = 'right'
input = add_left
[]
[]
[Problem]
type = FEProblem
# kernel_coverage_check = false
[]
[Preconditioning]
[smp]
type = SMP
full = true
[]
[]
[Executioner]
type = Transient
# line_search = none
end_time = 10E-6
steady_state_detection = 1
steady_state_tolerance = 1E-15
steady_state_start_time = ${threeTimesRelaxTime}
petsc_options = '-snes_converged_reason -snes_linesearch_monitor'
solve_type = NEWTON
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -ksp_type -snes_linesearch_minlambda'
petsc_options_value = 'lu NONZERO 1.e-10 preonly 1e-3'
nl_rel_tol = 1e-8
nl_abs_tol = 2e-6
dtmin = 1e-15
# dtmax = 1E-6
nl_max_its = 50
[TimeSteppers]
[Adaptive]
type = IterationAdaptiveDT
cutback_factor = 0.4
dt = 1e-13
growth_factor = 1.2
optimal_iterations = 20
[]
[]
[]
[Outputs]
perf_graph = true
print_linear_residuals = false
[out]
type = Exodus
# execute_on = 'final'
[]
[]
[Debug]
show_var_residual_norms = true
[]
[UserObjects]
[current_density_user_object]
type = CurrentDensityShapeSideUserObject
boundary = left
potential = potential
em = em
ip = Arp
mean_en = mean_en
execute_on = 'linear nonlinear'
[]
[data_provider]
type = ProvideMobility
electrode_area = ${area}
ballast_resist = ${resistance}
e = 1.6e-19
[]
[]
[Kernels]
## Stabilization
[Arp_log_stabilization]
type = LogStabilizationMoles
variable = Arp
offset = 20
block = 0
[]
[em_log_stabilization]
type = LogStabilizationMoles
variable = em
offset = 20
block = 0
[]
[mean_en_log_stabilization]
type = LogStabilizationMoles
variable = mean_en
block = 0
offset = 35
[]
# [mean_en_advection_stabilization]
# type = EFieldArtDiff
# variable = mean_en
# potential = potential
# block = 0
# []
[em_time_deriv]
type = ElectronTimeDerivative
variable = em
block = 0
[]
[em_advection]
type = EFieldAdvection
variable = em
potential = potential
block = 0
position_units = ${dom0Scale}
[]
[em_diffusion]
type = CoeffDiffusion
variable = em
block = 0
position_units = ${dom0Scale}
[]
[em_ionization]
type = ElectronsFromIonization
em = em
variable = em
potential = potential
mean_en = mean_en
block = 0
position_units = ${dom0Scale}
[]
[potential_diffusion_dom1]
type = CoeffDiffusionLin
variable = potential
block = 0
position_units = ${dom0Scale}
[]
[Arp_charge_source]
type = ChargeSourceMoles_KV
variable = potential
charged = Arp
block = 0
[]
[em_charge_source]
type = ChargeSourceMoles_KV
variable = potential
charged = em
block = 0
[]
[Arp_time_deriv]
type = ElectronTimeDerivative
variable = Arp
block = 0
[]
[Arp_advection]
type = EFieldAdvection
variable = Arp
potential = potential
position_units = ${dom0Scale}
block = 0
[]
[Arp_diffusion]
type = CoeffDiffusion
variable = Arp
block = 0
position_units = ${dom0Scale}
[]
[Arp_ionization]
type = IonsFromIonization
variable = Arp
potential = potential
em = em
mean_en = mean_en
block = 0
position_units = ${dom0Scale}
[]
[mean_en_time_deriv]
type = ElectronTimeDerivative
variable = mean_en
block = 0
[]
[mean_en_advection]
type = EFieldAdvection
variable = mean_en
potential = potential
block = 0
position_units = ${dom0Scale}
[]
[mean_en_diffusion]
type = CoeffDiffusion
variable = mean_en
block = 0
position_units = ${dom0Scale}
[]
[mean_en_joule_heating]
type = JouleHeating
variable = mean_en
potential = potential
em = em
block = 0
position_units = ${dom0Scale}
[]
[mean_en_ionization]
type = ElectronEnergyLossFromIonization
variable = mean_en
potential = potential
em = em
block = 0
position_units = ${dom0Scale}
[]
[mean_en_elastic]
type = ElectronEnergyLossFromElastic
variable = mean_en
potential = potential
em = em
block = 0
position_units = ${dom0Scale}
[]
[mean_en_excitation]
type = ElectronEnergyLossFromExcitation
variable = mean_en
potential = potential
em = em
block = 0
position_units = ${dom0Scale}
[]
[]
[Variables]
[potential]
[]
[em]
block = 0
[]
[Arp]
block = 0
[]
[mean_en]
block = 0
[]
[]
[AuxVariables]
[e_temp]
block = 0
order = CONSTANT
family = MONOMIAL
[]
[x]
order = CONSTANT
family = MONOMIAL
[]
[x_node]
[]
[rho]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[em_lin]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[Arp_lin]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[Efield]
order = CONSTANT
family = MONOMIAL
[]
[Current_em]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[Current_Arp]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[tot_gas_current]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[EFieldAdvAux_em]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[DiffusiveFlux_em]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[PowerDep_em]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[PowerDep_Arp]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[ProcRate_el]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[ProcRate_ex]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[ProcRate_iz]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[]
[AuxKernels]
[PowerDep_em]
type = ADPowerDep
density_log = em
potential = potential
art_diff = false
potential_units = kV
variable = PowerDep_em
position_units = ${dom0Scale}
block = 0
[]
[PowerDep_Arp]
type = ADPowerDep
density_log = Arp
potential = potential
art_diff = false
potential_units = kV
variable = PowerDep_Arp
position_units = ${dom0Scale}
block = 0
[]
[ProcRate_el]
type = ADProcRate
em = em
potential = potential
proc = el
variable = ProcRate_el
position_units = ${dom0Scale}
block = 0
[]
[ProcRate_ex]
type = ADProcRate
em = em
potential = potential
proc = ex
variable = ProcRate_ex
position_units = ${dom0Scale}
block = 0
[]
[ProcRate_iz]
type = ADProcRate
em = em
potential = potential
proc = iz
variable = ProcRate_iz
position_units = ${dom0Scale}
block = 0
[]
[e_temp]
type = ElectronTemperature
variable = e_temp
electron_density = em
mean_en = mean_en
block = 0
[]
[x_g]
type = Position
variable = x
position_units = ${dom0Scale}
block = 0
[]
[x_ng]
type = Position
variable = x_node
position_units = ${dom0Scale}
block = 0
[]
[rho]
type = ParsedAux
variable = rho
coupled_variables = 'em_lin Arp_lin'
expression = 'Arp_lin - em_lin'
execute_on = 'timestep_end'
block = 0
[]
[tot_gas_current]
type = ParsedAux
variable = tot_gas_current
coupled_variables = 'Current_em Current_Arp'
expression = 'Current_em + Current_Arp'
execute_on = 'timestep_end'
block = 0
[]
[em_lin]
type = DensityMoles
# convert_moles = true
variable = em_lin
density_log = em
block = 0
[]
[Arp_lin]
type = DensityMoles
# convert_moles = true
variable = Arp_lin
density_log = Arp
block = 0
[]
[Efield_g]
type = Efield
component = 0
potential = potential
variable = Efield
position_units = ${dom0Scale}
block = 0
[]
[Current_em]
type = ADCurrent
potential = potential
density_log = em
variable = Current_em
art_diff = false
block = 0
position_units = ${dom0Scale}
[]
[Current_Arp]
type = ADCurrent
potential = potential
density_log = Arp
variable = Current_Arp
art_diff = false
block = 0
position_units = ${dom0Scale}
[]
[EFieldAdvAux_em]
type = ADEFieldAdvAux
potential = potential
density_log = em
variable = EFieldAdvAux_em
block = 0
position_units = ${dom0Scale}
[]
[DiffusiveFlux_em]
type = ADDiffusiveFlux
density_log = em
variable = DiffusiveFlux_em
block = 0
position_units = ${dom0Scale}
[]
[]
[BCs]
## Potential boundary conditions ##
# [potential_left]
# type = NeumannCircuitVoltageMoles_KV
# variable = potential
# boundary = left
# function = potential_bc_func
# ions = Arp
# data_provider = data_provider
# electrons = em
# electron_energy = mean_en
# r = 0
# position_units = ${dom0Scale}
# []
[potential_left]
boundary = left
type = PenaltyCircuitPotential
variable = potential
current = current_density_user_object
surface_potential = ${negVHigh}
surface = 'cathode'
penalty = 1
data_provider = data_provider
electrons = em
ions = Arp
electron_energy = mean_en
area = ${area}
potential_units = 'kV'
position_units = ${dom0Scale}
resistance = ${resistance}
[]
[potential_dirichlet_right]
type = DirichletBC
variable = potential
boundary = right
value = 0
[]
## Electron boundary conditions ##
[Emission_left]
type = SchottkyEmissionBC
# type = SecondaryElectronBC
variable = em
boundary = 'left'
potential = potential
ions = Arp
electron_energy = mean_en
r = 1
position_units = ${dom0Scale}
tau = ${relaxTime}
relax = true
emission_coeffs = 0.02
[]
# [em_physical_left]
# type = HagelaarElectronBC
# variable = em
# boundary = 'left'
# potential = potential
# electron_energy = mean_en
# r = 0
# position_units = ${dom0Scale}
# []
[em_physical_right]
type = HagelaarElectronAdvectionBC
variable = em
boundary = right
potential = potential
r = 0
position_units = ${dom0Scale}
[]
## Argon boundary conditions ##
[Arp_physical_left_diffusion]
type = HagelaarIonDiffusionBC
variable = Arp
boundary = 'left'
r = 0
position_units = ${dom0Scale}
[]
[Arp_physical_left_advection]
type = HagelaarIonAdvectionBC
variable = Arp
boundary = 'left'
potential = potential
r = 0
position_units = ${dom0Scale}
[]
[Arp_physical_right_diffusion]
type = HagelaarIonDiffusionBC
variable = Arp
boundary = right
r = 0
position_units = ${dom0Scale}
[]
[Arp_physical_right_advection]
type = HagelaarIonAdvectionBC
variable = Arp
boundary = right
potential = potential
r = 0
position_units = ${dom0Scale}
[]
## Mean energy boundary conditions ##
[mean_en_physical_left]
type = HagelaarEnergyBC
variable = mean_en
boundary = 'left'
potential = potential
electrons = em
r = 0
position_units = ${dom0Scale}
[]
[mean_en_physical_right]
type = HagelaarEnergyBC
variable = mean_en
boundary = right
potential = potential
electrons = em
r = 0
position_units = ${dom0Scale}
[]
[]
[ICs]
[potential_ic]
type = FunctionIC
variable = potential
function = potential_ic_func
[]
[em_ic]
type = ConstantIC
variable = em
value = -30
block = 0
[]
[Arp_ic]
type = ConstantIC
variable = Arp
value = -30
block = 0
[]
[mean_en_ic]
type = ConstantIC
variable = mean_en
value = -25
block = 0
[]
[]
[Functions]
[potential_bc_func]
type = ParsedFunction
symbol_names = 'VHigh'
symbol_values = '${vhigh}'
expression = 'VHigh'
[]
[potential_ic_func]
type = ParsedFunction
expression = '-${vhigh} * (${dom0Size} - x) / ${dom0Size}'
[]
[]
[Materials]
[gas_block]
type = Gas
interp_trans_coeffs = true
interp_elastic_coeff = true
ramp_trans_coeffs = false
em = em
potential = potential
ip = Arp
mean_en = mean_en
user_se_coeff = 0.02
user_work_function = 4.55 # eV
user_field_enhancement = 55
user_Richardson_coefficient = 80E4
user_cathode_temperature = 1273
property_tables_file = td_argon_mean_en.txt
block = 0
[]
[]
(test/tests/1d_dc/NonlocalPotentialBCWithSchottky.i)
dom0Scale = 1
dom0Size = 2E-6 #m
vhigh = 230E-3 #kV
relaxTime = 1e-9 #s
resistance = 1
area = 5.02e-7 # Formerly 3.14e-6
[GlobalParams]
potential_units = kV
use_moles = true
[]
[Mesh]
[file]
type = FileMeshGenerator
file = 'Geometry.msh'
[]
[left]
type = SideSetsFromNormalsGenerator
normals = '-1 0 0'
new_boundary = 'left'
input = file
[]
[right]
type = SideSetsFromNormalsGenerator
normals = '1 0 0'
new_boundary = 'right'
input = left
[]
[]
[Problem]
type = FEProblem
# kernel_coverage_check = false
[]
[Preconditioning]
[smp]
type = SMP
full = true
[]
[]
[Executioner]
type = Transient
# line_search = none
end_time = 10E-6
steady_state_detection = 1
steady_state_tolerance = 1E-15
steady_state_start_time = '${fparse 3 * relaxTime}'
petsc_options = '-snes_converged_reason -snes_linesearch_monitor'
solve_type = NEWTON
petsc_options_iname = '-pc_type'
petsc_options_value = 'lu'
line_search = 'none'
nl_abs_tol = 2e-6
dtmin = 1e-15
# dtmax = 1E-6
nl_max_its = 50
[TimeSteppers]
[Adaptive]
type = IterationAdaptiveDT
cutback_factor = 0.4
dt = 1e-13
growth_factor = 1.2
optimal_iterations = 20
[]
[]
[]
[Outputs]
perf_graph = true
print_linear_residuals = false
[out]
type = Exodus
execute_on = 'final'
[]
[]
[Debug]
show_var_residual_norms = true
[]
[UserObjects]
[current_density_user_object]
type = CurrentDensityShapeSideUserObject
boundary = left
potential = potential
em = em
ip = Arp
mean_en = mean_en
execute_on = 'linear nonlinear'
[]
[data_provider]
type = ProvideMobility
electrode_area = ${area}
ballast_resist = ${resistance}
e = 1.6e-19
[]
[]
[Kernels]
## Stabilization
[Arp_log_stabilization]
type = LogStabilizationMoles
variable = Arp
offset = 20
block = 0
[]
[em_log_stabilization]
type = LogStabilizationMoles
variable = em
offset = 20
block = 0
[]
[mean_en_log_stabilization]
type = LogStabilizationMoles
variable = mean_en
block = 0
offset = 35
[]
# [mean_en_advection_stabilization]
# type = EFieldArtDiff
# variable = mean_en
# potential = potential
# block = 0
# []
[em_time_deriv]
type = ElectronTimeDerivative
variable = em
block = 0
[]
[em_advection]
type = EFieldAdvection
variable = em
potential = potential
block = 0
position_units = ${dom0Scale}
[]
[em_diffusion]
type = CoeffDiffusion
variable = em
block = 0
position_units = ${dom0Scale}
[]
[em_ionization]
type = ElectronsFromIonization
em = em
variable = em
potential = potential
mean_en = mean_en
block = 0
position_units = ${dom0Scale}
[]
[potential_diffusion_dom1]
type = CoeffDiffusionLin
variable = potential
block = 0
position_units = ${dom0Scale}
[]
[Arp_charge_source]
type = ChargeSourceMoles_KV
variable = potential
charged = Arp
block = 0
[]
[em_charge_source]
type = ChargeSourceMoles_KV
variable = potential
charged = em
block = 0
[]
[Arp_time_deriv]
type = ElectronTimeDerivative
variable = Arp
block = 0
[]
[Arp_advection]
type = EFieldAdvection
variable = Arp
potential = potential
position_units = ${dom0Scale}
block = 0
[]
[Arp_diffusion]
type = CoeffDiffusion
variable = Arp
block = 0
position_units = ${dom0Scale}
[]
[Arp_ionization]
type = IonsFromIonization
variable = Arp
potential = potential
em = em
mean_en = mean_en
block = 0
position_units = ${dom0Scale}
[]
[mean_en_time_deriv]
type = ElectronTimeDerivative
variable = mean_en
block = 0
[]
[mean_en_advection]
type = EFieldAdvection
variable = mean_en
potential = potential
block = 0
position_units = ${dom0Scale}
[]
[mean_en_diffusion]
type = CoeffDiffusion
variable = mean_en
block = 0
position_units = ${dom0Scale}
[]
[mean_en_joule_heating]
type = JouleHeating
variable = mean_en
potential = potential
em = em
block = 0
position_units = ${dom0Scale}
[]
[mean_en_ionization]
type = ElectronEnergyLossFromIonization
variable = mean_en
potential = potential
em = em
block = 0
position_units = ${dom0Scale}
[]
[mean_en_elastic]
type = ElectronEnergyLossFromElastic
variable = mean_en
potential = potential
em = em
block = 0
position_units = ${dom0Scale}
[]
[mean_en_excitation]
type = ElectronEnergyLossFromExcitation
variable = mean_en
potential = potential
em = em
block = 0
position_units = ${dom0Scale}
[]
[]
[Variables]
[potential]
[]
[em]
block = 0
[]
[Arp]
block = 0
[]
[mean_en]
block = 0
[]
[]
[AuxVariables]
[e_temp]
block = 0
order = CONSTANT
family = MONOMIAL
[]
[x]
order = CONSTANT
family = MONOMIAL
[]
[x_node]
[]
[rho]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[em_lin]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[Arp_lin]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[Efield]
order = CONSTANT
family = MONOMIAL
[]
[Current_em]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[Current_Arp]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[tot_gas_current]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[EFieldAdvAux_em]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[DiffusiveFlux_em]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[PowerDep_em]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[PowerDep_Arp]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[ProcRate_el]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[ProcRate_ex]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[ProcRate_iz]
order = CONSTANT
family = MONOMIAL
block = 0
[]
[]
[AuxKernels]
[PowerDep_em]
type = ADPowerDep
density_log = em
potential = potential
art_diff = false
potential_units = kV
variable = PowerDep_em
position_units = ${dom0Scale}
block = 0
[]
[PowerDep_Arp]
type = ADPowerDep
density_log = Arp
potential = potential
art_diff = false
potential_units = kV
variable = PowerDep_Arp
position_units = ${dom0Scale}
block = 0
[]
[ProcRate_el]
type = ADProcRate
em = em
potential = potential
proc = el
variable = ProcRate_el
position_units = ${dom0Scale}
block = 0
[]
[ProcRate_ex]
type = ADProcRate
em = em
potential = potential
proc = ex
variable = ProcRate_ex
position_units = ${dom0Scale}
block = 0
[]
[ProcRate_iz]
type = ADProcRate
em = em
potential = potential
proc = iz
variable = ProcRate_iz
position_units = ${dom0Scale}
block = 0
[]
[e_temp]
type = ElectronTemperature
variable = e_temp
electron_density = em
mean_en = mean_en
block = 0
[]
[x_g]
type = Position
variable = x
position_units = ${dom0Scale}
block = 0
[]
[x_ng]
type = Position
variable = x_node
position_units = ${dom0Scale}
block = 0
[]
[rho]
type = ParsedAux
variable = rho
coupled_variables = 'em_lin Arp_lin'
expression = 'Arp_lin - em_lin'
execute_on = 'timestep_end'
block = 0
[]
[tot_gas_current]
type = ParsedAux
variable = tot_gas_current
coupled_variables = 'Current_em Current_Arp'
expression = 'Current_em + Current_Arp'
execute_on = 'timestep_end'
block = 0
[]
[em_lin]
type = DensityMoles
# convert_moles = true
variable = em_lin
density_log = em
block = 0
[]
[Arp_lin]
type = DensityMoles
# convert_moles = true
variable = Arp_lin
density_log = Arp
block = 0
[]
[Efield_g]
type = Efield
component = 0
potential = potential
variable = Efield
position_units = ${dom0Scale}
block = 0
[]
[Current_em]
type = ADCurrent
potential = potential
density_log = em
variable = Current_em
art_diff = false
block = 0
position_units = ${dom0Scale}
[]
[Current_Arp]
type = ADCurrent
potential = potential
density_log = Arp
variable = Current_Arp
art_diff = false
block = 0
position_units = ${dom0Scale}
[]
[EFieldAdvAux_em]
type = ADEFieldAdvAux
potential = potential
density_log = em
variable = EFieldAdvAux_em
block = 0
position_units = ${dom0Scale}
[]
[DiffusiveFlux_em]
type = ADDiffusiveFlux
density_log = em
variable = DiffusiveFlux_em
block = 0
position_units = ${dom0Scale}
[]
[]
[BCs]
## Potential boundary conditions ##
# [potential_left]
# type = NeumannCircuitVoltageMoles_KV
# variable = potential
# boundary = left
# function = potential_bc_func
# ions = Arp
# data_provider = data_provider
# electrons = em
# electron_energy = mean_en
# r = 0
# position_units = ${dom0Scale}
# []
[potential_left]
boundary = left
type = PenaltyCircuitPotential
variable = potential
current = current_density_user_object
surface_potential = -${vhigh}
surface = 'cathode'
penalty = 1000
data_provider = data_provider
electrons = em
ions = Arp
electron_energy = mean_en
area = ${area}
potential_units = 'kV'
position_units = ${dom0Scale}
resistance = ${resistance}
[]
[potential_dirichlet_right]
type = DirichletBC
variable = potential
boundary = right
value = 0
[]
## Electron boundary conditions ##
[Emission_left]
type = SchottkyEmissionBC
# type = SecondaryElectronBC
variable = em
boundary = 'left'
potential = potential
ions = Arp
electron_energy = mean_en
r = 1
position_units = ${dom0Scale}
tau = ${relaxTime}
relax = true
emission_coeffs = 0.02
[]
# [em_physical_left]
# type = HagelaarElectronBC
# variable = em
# boundary = 'left'
# potential = potential
# mean_en = mean_en
# r = 0
# position_units = ${dom0Scale}
# []
[em_physical_right]
type = HagelaarElectronAdvectionBC
variable = em
boundary = right
potential = potential
r = 0
position_units = ${dom0Scale}
[]
## Argon boundary conditions ##
[Arp_physical_left_diffusion]
type = HagelaarIonDiffusionBC
variable = Arp
boundary = 'left'
r = 0
position_units = ${dom0Scale}
[]
[Arp_physical_left_advection]
type = HagelaarIonAdvectionBC
variable = Arp
boundary = 'left'
potential = potential
r = 0
position_units = ${dom0Scale}
[]
[Arp_physical_right_diffusion]
type = HagelaarIonDiffusionBC
variable = Arp
boundary = right
r = 0
position_units = ${dom0Scale}
[]
[Arp_physical_right_advection]
type = HagelaarIonAdvectionBC
variable = Arp
boundary = right
potential = potential
r = 0
position_units = ${dom0Scale}
[]
## Mean energy boundary conditions ##
[mean_en_physical_left]
type = HagelaarEnergyBC
variable = mean_en
boundary = 'left'
potential = potential
electrons = em
r = 0
position_units = ${dom0Scale}
[]
[mean_en_physical_right]
type = HagelaarEnergyBC
variable = mean_en
boundary = right
potential = potential
electrons = em
r = 0
position_units = ${dom0Scale}
[]
[]
[ICs]
[potential_ic]
type = FunctionIC
variable = potential
function = potential_ic_func
[]
[em_ic]
type = ConstantIC
variable = em
value = -30
block = 0
[]
[Arp_ic]
type = ConstantIC
variable = Arp
value = -30
block = 0
[]
[mean_en_ic]
type = ConstantIC
variable = mean_en
value = -25
block = 0
[]
[]
[Functions]
[potential_bc_func]
type = ParsedFunction
symbol_names = 'VHigh'
symbol_values = '${vhigh}'
expression = 'VHigh'
[]
[potential_ic_func]
type = ParsedFunction
expression = '-${vhigh} * (${dom0Size} - x) / ${dom0Size}'
[]
[]
[Materials]
[gas_block]
type = Gas
interp_trans_coeffs = true
interp_elastic_coeff = true
ramp_trans_coeffs = false
em = em
potential = potential
ip = Arp
mean_en = mean_en
user_se_coeff = 0.02
user_work_function = 4.55 # eV
user_field_enhancement = 55
user_Richardson_coefficient = 80E4
user_cathode_temperature = 1273
property_tables_file = td_argon_mean_en.txt
block = 0
[]
[]