DiffusionFluxBC.C

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//* 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 "DiffusionFluxBC.h"
 
registerMooseObject("MooseApp", DiffusionFluxBC);
 
InputParameters
DiffusionFluxBC::validParams()
{
  InputParameters params = FluxBC::validParams();
  params.addClassDescription(
      "Computes a boundary residual contribution consistent with the Diffusion Kernel. "
      "Does not impose a boundary condition; instead computes the boundary "
      "contribution corresponding to the current value of grad(u) and accumulates "
      "it in the residual vector.");
  return params;
}
 
DiffusionFluxBC::DiffusionFluxBC(const InputParameters & parameters) : FluxBC(parameters) {}
 
RealGradient
DiffusionFluxBC::computeQpFluxResidual()
{
  return _grad_u[_qp];
}
 
RealGradient
DiffusionFluxBC::computeQpFluxJacobian()
{
  return _grad_phi[_j][_qp];
}