adjoint_residual_error_estimator.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2026 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
 
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 
 
#ifndef LIBMESH_ADJOINT_RESIDUAL_ERROR_ESTIMATOR_H
#define LIBMESH_ADJOINT_RESIDUAL_ERROR_ESTIMATOR_H
 
// Local Includes
#include "libmesh/error_estimator.h"
#include "libmesh/qoi_set.h"
 
// C++ includes
#include <cstddef>
#include <string>
#include <vector>
#include <memory>
 
namespace libMesh
{
class AdjointResidualErrorEstimator : public ErrorEstimator
{
public:
 
  AdjointResidualErrorEstimator();
 
  AdjointResidualErrorEstimator (const AdjointResidualErrorEstimator &) = delete;
  AdjointResidualErrorEstimator & operator= (const AdjointResidualErrorEstimator &) = delete;
 
  AdjointResidualErrorEstimator (AdjointResidualErrorEstimator &&) = default;
  AdjointResidualErrorEstimator & operator= (AdjointResidualErrorEstimator &&) = default;
  virtual ~AdjointResidualErrorEstimator() = default;
 
  std::unique_ptr<ErrorEstimator> & primal_error_estimator() { return _primal_error_estimator; }
 
  std::unique_ptr<ErrorEstimator> & dual_error_estimator() { return _dual_error_estimator; }
 
  QoISet & qoi_set() { return _qoi_set; }
 
  const QoISet & qoi_set() const { return _qoi_set; }
 
  std::string error_plot_suffix;
 
  virtual void estimate_error (const System & system,
                               ErrorVector & error_per_cell,
                               const NumericVector<Number> * solution_vector = nullptr,
                               bool estimate_parent_error = false) override;
 
  virtual ErrorEstimatorType type() const override;
 
protected:
 
  std::unique_ptr<ErrorEstimator> _primal_error_estimator;
 
  std::unique_ptr<ErrorEstimator> _dual_error_estimator;
 
  QoISet _qoi_set;
};
 
 
} // namespace libMesh
 
#endif // LIBMESH_ADJOINT_RESIDUAL_ERROR_ESTIMATOR_H