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 ()

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 27 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 53 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 59 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 47 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 41 of file JouleHeatingSource.C.

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

Member Data Documentation

_delec_cond_darg

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

private

Definition at line 43 of file JouleHeatingSource.h.

Referenced by computeQpOffDiagJacobian(), and JouleHeatingSource().

_delec_cond_dT

const MaterialProperty<Real>& JouleHeatingSource::_delec_cond_dT

private

Definition at line 42 of file JouleHeatingSource.h.

Referenced by computeQpJacobian().

_elec_cond

const MaterialProperty<Real>& JouleHeatingSource::_elec_cond

private

Definition at line 41 of file JouleHeatingSource.h.

Referenced by computeQpOffDiagJacobian(), and computeQpResidual().

_elec_var

const unsigned int JouleHeatingSource::_elec_var

private

Definition at line 39 of file JouleHeatingSource.h.

Referenced by computeQpOffDiagJacobian().

_grad_elec

const VariableGradient& JouleHeatingSource::_grad_elec

private

Definition at line 38 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