CDiscAdjHeatIteration.hpp

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/*!
 * \file CDiscAdjHeatIteration.hpp
 * \brief Headers of the iteration classes used by SU2_CFD.
 *        Each CIteration class represents an available physics package.
 * \author F. Palacios, T. Economon
 * \version 8.5.0 "Harrier"
 *
 * SU2 Project Website: https://su2code.github.io
 *
 * The SU2 Project is maintained by the SU2 Foundation
 * (http://su2foundation.org)
 *
 * Copyright 2012-2026, SU2 Contributors (cf. AUTHORS.md)
 *
 * SU2 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.
 *
 * SU2 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 SU2. If not, see <http://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include "CIteration.hpp"
 
/*!
 * \class CDiscAdjHeatIteration
 * \ingroup DiscAdj
 * \brief Class for driving an iteration of the discrete adjoint heat equation.
 * \author O. Burghardt
 */
class CDiscAdjHeatIteration final : public CIteration {
 
  /*!
   * \brief load unsteady solution for unsteady problems
   * \param[in] geometry - Geometrical definition of the problem.
   * \param[in] solver - Container vector with all the solutions.
   * \param[in] config - Definition of the particular problem.
   * \param[in] val_iZone - Index of the zone.
   * \param[in] val_iInst - Index of the instance layer.
   * \param[in] val_DirectIter - Direct iteration to load.
   */
  void LoadUnsteady_Solution(CGeometry**** geometry, CSolver***** solver, CConfig** config, unsigned short val_iZone,
                             unsigned short val_iInst, int val_DirectIter);
 
 public:
  /*!
   * \brief Constructor of the class.
   * \param[in] config - Definition of the particular problem.
   */
  explicit CDiscAdjHeatIteration(const CConfig *config) : CIteration(config) {}
 
  /*!
   * \brief Perform a single iteration of the adjoint heat problem.
   * \param[in] output - Pointer to the COutput class.
   * \param[in] integration - Container vector with all the integration methods.
   * \param[in] geometry - Geometrical definition of the problem.
   * \param[in] solver - Container vector with all the solutions.
   * \param[in] numerics - Description of the numerical method (the way in which the equations are solved).
   * \param[in] config - Definition of the particular problem.
   * \param[in] surface_movement - Surface movement classes of the problem.
   * \param[in] grid_movement - Volume grid movement classes of the problem.
   * \param[in] FFDBox - FFD FFDBoxes of the problem.
   * \param[in] val_iZone - Index of the zone.
   * \param[in] val_iInst - Index of the instance layer.
   */
  void Preprocess(COutput* output, CIntegration**** integration, CGeometry**** geometry, CSolver***** solver,
                  CNumerics****** numerics, CConfig** config, CSurfaceMovement** surface_movement,
                  CVolumetricMovement*** grid_movement, CFreeFormDefBox*** FFDBox, unsigned short val_iZone,
                  unsigned short val_iInst) override;
 
  /*!
   * \brief Perform a single iteration of the adjoint heat problem.
   * \param[in] geometry - Geometrical definition of the problem.
   * \param[in] solver - Container vector with all the solutions.
   * \param[in] config - Definition of the particular problem.
   * \param[in] val_iZone - Index of the zone.
   * \param[in] val_iInst - Index of the instance.
   * \param[in] CrossTerm - Boolean for CrossTerm.
   */
  void IterateDiscAdj(CGeometry**** geometry, CSolver***** solver, CConfig** config,
                      unsigned short val_iZone, unsigned short val_iInst, bool CrossTerm) override;
 
  /*!
   * \brief Monitors the convergence and other metrics for the discrete adjoint heat problem.
   */
  bool Monitor(COutput* output, CIntegration**** integration, CGeometry**** geometry, CSolver***** solver,
               CNumerics****** numerics, CConfig** config, CSurfaceMovement** surface_movement,
               CVolumetricMovement*** grid_movement, CFreeFormDefBox*** FFDBox, unsigned short val_iZone,
               unsigned short val_iInst) override;
 
  /*!
   * \brief Registers all input variables of the fluid iteration.
   * \param[in] solver - Container vector with all the solutions.
   * \param[in] geometry - Geometrical definition of the problem.
   * \param[in] config - Definition of the particular problem.
   * \param[in] iZone - Index of the zone.
   * \param[in] val_iInst - Index of the instance layer.
   */
  void InitializeAdjoint(CSolver***** solver, CGeometry**** geometry, CConfig** config, unsigned short iZone,
                         unsigned short iInst) override;
 
  /*!
   * \brief Registers all output variables of the fluid iteration.
   * \param[in] solver - Container vector with all the solutions.
   * \param[in] geometry - Geometrical definition of the problem.
   * \param[in] config - Definition of the particular problem.
   * \param[in] iZone - Index of the zone.
   * \param[in] val_iInst - Index of the instance layer.
   * \param[in] kind_recording - Kind of recording.
   */
  void RegisterInput(CSolver***** solver, CGeometry**** geometry, CConfig** config, unsigned short iZone,
                     unsigned short iInst, RECORDING kind_recording) override;
 
  /*!
   * \brief Initializes the adjoints of the output variables of the fluid iteration.
   * \param[in] solver - Container vector with all the solutions.
   * \param[in] geometry - Geometrical definition of the problem.
   * \param[in] config - Definition of the particular problem.
   * \param[in] iZone - Index of the zone.
   * \param[in] val_iInst - Index of the instance layer.
   */
  void RegisterOutput(CSolver***** solver, CGeometry**** geometry, CConfig** config,
                      unsigned short iZone, unsigned short iInst) override;
 
  /*!
   * \brief Compute necessary variables that depend on the conservative variables or the mesh node positions
   * (e.g. turbulent variables, normals, volumes).
   * \param[in] solver - Container vector with all the solutions.
   * \param[in] geometry - Geometrical definition of the problem.
   * \param[in] config - Definition of the particular problem.
   * \param[in] iZone - Index of the zone.
   * \param[in] val_iInst - Index of the instance layer.
   * \param[in] kind_recording - The kind of recording.
   */
  void SetDependencies(CSolver***** solver, CGeometry**** geometry, CNumerics****** numerics, CConfig** config,
                       unsigned short iZone, unsigned short iInst, RECORDING kind_recording) override;
 
};