CConjugateHeatInterface.hpp

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/*!
 * \file CConjugateHeatInterface.hpp
 * \brief Declaration and inlines of the class to transfer temperature and heatflux
 *        density for conjugate heat interfaces between structure and fluid zones.
 * \author O. Burghardt
 * \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 "../CInterface.hpp"
 
/*!
 * \brief Fluid-heat interface (and v.v.).
 * \ingroup Interfaces
 */
class CConjugateHeatInterface : public CInterface {
  su2double ContactResistance = 0; /*!<\brief Contact resistance value of the current inerface. */
public:
  /*!
   * \brief Constructor of the class.
   */
  CConjugateHeatInterface(void);
 
  /*!
   * \overload
   * \param[in] val_nVar - Number of variables that need to be transferred.
   */
  CConjugateHeatInterface(unsigned short val_nVar, unsigned short val_nConst);
 
  /*!
   * \brief Retrieve the variable that will be sent from donor mesh to target mesh.
   * \param[in] donor_solution - Solution from the donor mesh.
   * \param[in] donor_geometry - Geometry of the donor mesh.
   * \param[in] donor_config - Definition of the problem at the donor mesh.
   * \param[in] Marker_Donor - Index of the donor marker.
   * \param[in] Vertex_Donor - Index of the donor vertex.
   * \param[in] Point_Donor - Index of the donor point.
   */
  void GetDonor_Variable(CSolver *donor_solution, CGeometry *donor_geometry, const CConfig *donor_config,
                         unsigned long Marker_Donor, unsigned long Vertex_Donor, unsigned long Point_Donor) override;
 
  /*!
   * \brief Set the variable that has been received from the target mesh into the target mesh.
   * \param[in] target_solution - Solution from the target mesh.
   * \param[in] target_geometry - Geometry of the target mesh.
   * \param[in] target_config - Definition of the problem at the target mesh.
   * \param[in] Marker_Target - Index of the target marker.
   * \param[in] Vertex_Target - Index of the target vertex.
   * \param[in] Point_Target - Index of the target point.
   */
  void SetTarget_Variable(CSolver *target_solution, CGeometry *target_geometry, const CConfig *target_config,
                          unsigned long Marker_Target, unsigned long Vertex_Target, unsigned long Point_Target) override;
  
  /*!
   * \brief Set the contact resistance value for the solid-to-solid heat transfer interface.
   * \param[in] val_contact_resistance - Contact resistance value in m^2/W
   */
  void SetContactResistance(su2double val_contact_resistance) override { ContactResistance = val_contact_resistance; }
};