Sampler1DBase.h

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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
 
#pragma once
 
// MOOSE includes
#include "GeneralVectorPostprocessor.h"
#include "SamplerBase.h"
#include "BlockRestrictable.h"
#include "Assembly.h"
#include "MooseMesh.h"
#include "SwapBackSentinel.h"
#include "FEProblem.h"
 
// libMesh includes
#include "libmesh/quadrature.h"
 
// Forward Declarations
class MooseMesh;
 
template <typename T>
class Sampler1DBase : public GeneralVectorPostprocessor,
                      public SamplerBase,
                      public BlockRestrictable
{
public:
  Sampler1DBase(const InputParameters & parameters);
 
  virtual void initialize() override;
 
  virtual void execute() override;
 
  virtual void finalize() override;
 
  virtual Real getScalarFromProperty(const T & property, const Point & curr_point) = 0;
 
protected:
  std::vector<const MaterialProperty<T> *> _material_properties;
 
  MooseMesh & _mesh;
 
  const QBase * const & _qrule;
 
  const MooseArray<Point> & _q_point;
 
public:
  static InputParameters validParams();
};
 
template <typename T>
Sampler1DBase<T>::Sampler1DBase(const InputParameters & parameters)
  : GeneralVectorPostprocessor(parameters),
    SamplerBase(parameters, this, _communicator),
    BlockRestrictable(this),
    _mesh(_subproblem.mesh()),
    _qrule(_assembly.qRule()),
    _q_point(_assembly.qPoints())
{
  std::vector<std::string> material_property_names = getParam<std::vector<std::string>>("property");
  for (unsigned int i = 0; i < material_property_names.size(); ++i)
  {
    if (!hasMaterialProperty<T>(material_property_names[i]))
      mooseError("In Sampler1DBase material property: " + material_property_names[i] +
                 " does not exist.");
    _material_properties.push_back(&getMaterialProperty<T>(material_property_names[i]));
  }
 
  SamplerBase::setupVariables(material_property_names);
}
 
template <typename T>
void
Sampler1DBase<T>::initialize()
{
  SamplerBase::initialize();
}
 
template <typename T>
void
Sampler1DBase<T>::execute()
{
  std::vector<Real> values(_material_properties.size());
 
  std::unordered_set<unsigned int> needed_mat_props;
  const auto & mp_deps = getMatPropDependencies();
  needed_mat_props.insert(mp_deps.begin(), mp_deps.end());
  _fe_problem.setActiveMaterialProperties(needed_mat_props, _tid);
 
  const ConstElemRange & elem_range = *(_mesh.getActiveLocalElementRange());
  for (typename ConstElemRange::const_iterator el = elem_range.begin(); el != elem_range.end();
       ++el)
  {
    const Elem * elem = *el;
 
    if (elem->processor_id() != processor_id())
      continue;
 
    if (!hasBlocks(elem->subdomain_id()))
      continue;
 
    _subproblem.setCurrentSubdomainID(elem, _tid);
    _subproblem.prepare(elem, _tid);
    _subproblem.reinitElem(elem, _tid);
 
    // Set up Sentinel class so that, even if reinitMaterials() throws, we
    // still remember to swap back during stack unwinding.
    SwapBackSentinel sentinel(_fe_problem, &FEProblem::swapBackMaterials, _tid);
    _fe_problem.reinitMaterials(elem->subdomain_id(), _tid);
 
    for (unsigned int qp = 0; qp < _qrule->n_points(); ++qp)
    {
      for (unsigned int j = 0; j < _material_properties.size(); ++j)
        values[j] = getScalarFromProperty((*_material_properties[j])[qp], _q_point[qp]);
 
      // use the "x" coordinate as the "id"; at this time, it is not used for anything
      addSample(_q_point[qp], _q_point[qp](0), values);
    }
  }
  _fe_problem.clearActiveMaterialProperties(_tid);
}
 
template <typename T>
void
Sampler1DBase<T>::finalize()
{
  SamplerBase::finalize();
}