RDGBoundaryFluxPostprocessor.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 "RDGBoundaryFluxPostprocessor.h"
#include "BoundaryFluxBase.h"
 
registerMooseObject("RdgApp", RDGBoundaryFluxPostprocessor);
registerMooseObjectRenamed("RdgApp",
                           BoundaryFluxPostprocessor,
                           "04/01/2025 00:00",
                           RDGBoundaryFluxPostprocessor);
 
InputParameters
RDGBoundaryFluxPostprocessor::validParams()
{
  InputParameters params = SideIntegralPostprocessor::validParams();
 
  params.addRequiredParam<UserObjectName>("boundary_flux_uo", "Boundary flux user object name");
  params.addRequiredParam<unsigned int>("flux_index", "Index within flux vector to query");
  params.addParam<Point>("normal", "Normal vector for boundary (if requesting override)");
  params.addRequiredCoupledVar(
      "variables", "Variables to pass to boundary flux user object, in the correct order");
 
  params.addClassDescription(
      "Computes the side integral of a flux entry from a BoundaryFluxBase user object");
 
  return params;
}
 
RDGBoundaryFluxPostprocessor::RDGBoundaryFluxPostprocessor(const InputParameters & parameters)
  : SideIntegralPostprocessor(parameters),
 
    _boundary_flux_uo(getUserObject<BoundaryFluxBase>("boundary_flux_uo")),
    _flux_index(getParam<unsigned int>("flux_index")),
    _provided_normal(isParamValid("normal")),
    _n_components(coupledComponents("variables")),
    _U(coupledValues("variables"))
{
}
 
Real
RDGBoundaryFluxPostprocessor::computeQpIntegral()
{
  std::vector<Real> U(_n_components);
  for (unsigned int i = 0; i < _n_components; i++)
    U[i] = (*_U[i])[_qp];
 
  const Point & normal = _provided_normal ? getParam<Point>("normal") : _normals[_qp];
 
  const auto & flux = _boundary_flux_uo.getFlux(_current_side, _current_elem->id(), U, normal);
  return flux[_flux_index];
}