MultiAppConservativeTransfer.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

#include "MultiAppFieldTransfer.h"

class MultiAppConservativeTransfer : public MultiAppFieldTransfer
{
public:
  static InputParameters validParams();

  MultiAppConservativeTransfer(const InputParameters & parameters);

  virtual void initialSetup() override;

  virtual void postExecute();

protected:
  virtual std::vector<VariableName> getFromVarNames() const override { return _from_var_names; }
  virtual std::vector<AuxVariableName> getToVarNames() const override { return _to_var_names; }

  bool performAdjustment(const PostprocessorValue & from, const PostprocessorValue & to) const;

  const std::vector<VariableName> _from_var_names;
  const std::vector<AuxVariableName> _to_var_names;

  VariableName _from_var_name;
  AuxVariableName _to_var_name;

  bool _preserve_transfer;
  std::vector<PostprocessorName> _from_postprocessors_to_be_preserved;
  std::vector<PostprocessorName> _to_postprocessors_to_be_preserved;

private:
  void adjustTransferredSolution(FEProblemBase * from_problem,
                                 PostprocessorName & from_postprocessor,
                                 FEProblemBase & to_problem,
                                 PostprocessorName & to_postprocessor);

  void adjustTransferredSolutionNearestPoint(unsigned int i,
                                             FEProblemBase * from_problem,
                                             PostprocessorName & from_postprocessor,
                                             FEProblemBase & to_problem,
                                             PostprocessorName & to_postprocessor);

  bool _use_nearestpoint_pps;
  bool _allow_skipped_adjustment;
};