PotentialToFieldAux.C

Go to the documentation of this file.

//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#include "PotentialToFieldAux.h"
 
registerMooseObject("ElectromagneticsApp", PotentialToFieldAux);
 
InputParameters
PotentialToFieldAux::validParams()
{
  InputParameters params = VariableGradientComponent::validParams();
  params.addClassDescription("An AuxKernel that calculates the electrostatic electric field given "
                             "the electrostatic potential.");
  MooseEnum sign("positive=1 negative=-1", "negative");
  params.addParam<MooseEnum>("sign", sign, "Sign of potential gradient.");
  return params;
}
 
PotentialToFieldAux::PotentialToFieldAux(const InputParameters & parameters)
  : VariableGradientComponent(parameters), _sign(getParam<MooseEnum>("sign"))
{
}
 
Real
PotentialToFieldAux::computeValue()
{
  return _sign * VariableGradientComponent::computeValue();
}