JouleHeatingSource Class Reference

This kernel calculates the heat source term corresponding to joule heating, Q = J * E = elec_cond * grad_phi * grad_phi, where phi is the electrical potenstial. More...

#include <JouleHeatingSource.h>

Inheritance diagram for JouleHeatingSource:

Public Member Functions
	JouleHeatingSource (const InputParameters &parameters)
virtual void	initialSetup ()

Static Public Member Functions
static InputParameters	validParams ()

Protected Member Functions
virtual Real	computeQpResidual ()
virtual Real	computeQpJacobian ()
virtual Real	computeQpOffDiagJacobian (unsigned int jvar)

Private Attributes
const VariableGradient &	_grad_elec
const unsigned int	_elec_var
const MaterialProperty< Real > &	_elec_cond
const MaterialProperty< Real > &	_delec_cond_dT
std::vector< const MaterialProperty< Real > * >	_delec_cond_darg

Detailed Description

This kernel calculates the heat source term corresponding to joule heating, Q = J * E = elec_cond * grad_phi * grad_phi, where phi is the electrical potenstial.

Definition at line 26 of file JouleHeatingSource.h.

Constructor & Destructor Documentation

JouleHeatingSource()

JouleHeatingSource::JouleHeatingSource

(

const InputParameters &

parameters

)

Definition at line 29 of file JouleHeatingSource.C.

  : DerivativeMaterialInterface<JvarMapKernelInterface<HeatSource>>(parameters),
    _grad_elec(coupledGradient("elec")),
    _elec_var(coupled("elec")),
    _elec_cond(getMaterialProperty<Real>("electrical_conductivity")),
    _delec_cond_dT(getMaterialPropertyDerivative<Real>("electrical_conductivity", _var.name())),
    _delec_cond_darg(_coupled_moose_vars.size())
{
  for (unsigned int i = 0; i < _delec_cond_darg.size(); ++i)
    _delec_cond_darg[i] = &getMaterialPropertyDerivative<Real>("electrical_conductivity",
                                                               _coupled_moose_vars[i]->name());
}

Member Function Documentation

computeQpJacobian()

Real JouleHeatingSource::computeQpJacobian ( )

protectedvirtual

Definition at line 55 of file JouleHeatingSource.C.

{
  return -_delec_cond_dT[_qp] * _grad_elec[_qp] * _grad_elec[_qp] * _phi[_j][_qp] * _test[_i][_qp];
}

computeQpOffDiagJacobian()

Real JouleHeatingSource::computeQpOffDiagJacobian ( unsigned int  jvar )

protectedvirtual

Definition at line 61 of file JouleHeatingSource.C.

{
  const unsigned int cvar = mapJvarToCvar(jvar);
 
  if (jvar == _elec_var)
    return -2 * _elec_cond[_qp] * _grad_elec[_qp] * _grad_phi[_j][_qp] * _test[_i][_qp] -
           (*_delec_cond_darg[cvar])[_qp] * _grad_elec[_qp] * _grad_elec[_qp] * _phi[_j][_qp] *
               _test[_i][_qp];
 
  return -(*_delec_cond_darg[cvar])[_qp] * _grad_elec[_qp] * _grad_elec[_qp] * _phi[_j][_qp] *
         _test[_i][_qp];
}

computeQpResidual()

Real JouleHeatingSource::computeQpResidual ( )

protectedvirtual

Definition at line 49 of file JouleHeatingSource.C.

{
  return -_elec_cond[_qp] * _grad_elec[_qp] * _grad_elec[_qp] * _test[_i][_qp];
}

initialSetup()

void JouleHeatingSource::initialSetup ( )

virtual

Definition at line 43 of file JouleHeatingSource.C.

{
  validateNonlinearCoupling<Real>("electrical_conductivity");
}

validParams()

InputParameters JouleHeatingSource::validParams ( )

static

Definition at line 17 of file JouleHeatingSource.C.

{
  InputParameters params = HeatSource::validParams();
  params.addCoupledVar("elec", "Electric potential for joule heating.");
  params.addCoupledVar("args", "Vector of arguments of the diffusivity");
  params.addParam<MaterialPropertyName>(
      "electrical_conductivity",
      "electrical_conductivity",
      "Material property providing electrical conductivity of the material.");
  return params;
}

Member Data Documentation

_delec_cond_darg

std::vector<const MaterialProperty<Real> *> JouleHeatingSource::_delec_cond_darg

private

Definition at line 45 of file JouleHeatingSource.h.

Referenced by computeQpOffDiagJacobian(), and JouleHeatingSource().

_delec_cond_dT

const MaterialProperty<Real>& JouleHeatingSource::_delec_cond_dT

private

Definition at line 44 of file JouleHeatingSource.h.

Referenced by computeQpJacobian().

_elec_cond

const MaterialProperty<Real>& JouleHeatingSource::_elec_cond

private

Definition at line 43 of file JouleHeatingSource.h.

Referenced by computeQpOffDiagJacobian(), and computeQpResidual().

_elec_var

const unsigned int JouleHeatingSource::_elec_var

private

Definition at line 41 of file JouleHeatingSource.h.

Referenced by computeQpOffDiagJacobian().

_grad_elec

const VariableGradient& JouleHeatingSource::_grad_elec

private

Definition at line 40 of file JouleHeatingSource.h.

Referenced by computeQpJacobian(), computeQpOffDiagJacobian(), and computeQpResidual().

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The documentation for this class was generated from the following files:

• heat_conduction/include/kernels/JouleHeatingSource.h
• heat_conduction/src/kernels/JouleHeatingSource.C