CMixingPlaneInterface.hpp

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/*!
 * \file CMixingPlaneInterface.cpp
 * \brief Declaration and inlines of the class to transfer average variables
 *        needed for MixingPlane computation from a generic zone into another one.
 * \author S. Vitale
 * \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"
#include "../../../Common/include/containers/C2DContainer.hpp"
 
/*!
 * \brief Mixing plane interface for turbomachinery.
 * \ingroup Interfaces
 */
class CMixingPlaneInterface : public CInterface {
public:
  unsigned short nMixingVars;
  /*!
   * \overload
   * \param[in] val_nVar - Number of variables that need to be transferred.
   */
  CMixingPlaneInterface(unsigned short val_nVar, unsigned short val_nConst);
 
  /*!
   * \brief Initialize quantities for spanwise sections for interpolation.
   * \param[in] donor_config - Definition of the problem at the donor mesh.
   * \param[in] target_config - Definition of the problem at the target mesh.
   */
  void SetSpanWiseLevels(const CConfig *donor_config, const CConfig *target_config) override;
 
  /*!
   * \brief Interpolate data and broadcast it into all processors, for nonmatching meshes.
   * \param[in] interpolator - Object defining the interpolation.
   * \param[in] donor_solution - Solution from the donor mesh.
   * \param[in] target_solution - Solution from the target mesh.
   * \param[in] donor_geometry - Geometry of the donor mesh.
   * \param[in] target_geometry - Geometry of the target mesh.
   * \param[in] donor_config - Definition of the problem at the donor mesh.
   * \param[in] target_config - Definition of the problem at the target mesh.
   */
  void BroadcastData_MixingPlane(const CInterpolator& interpolator,
                     CSolver *donor_solution, CSolver *target_solution,
                     CGeometry *donor_geometry, CGeometry *target_geometry,
                     const CConfig *donor_config, const CConfig *target_config) override;
 
  /*!
   * \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 val_Span, 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 val_Span, unsigned long Point_Target) override;
 
  inline void RecoverTarget_SpanEndwall(const su2activevector &bcastVariable, unsigned long iSpan) override {
    for (auto iVar = 0u; iVar < nMixingVars; iVar++) {
      Target_Variable[iVar] = bcastVariable[iSpan * nMixingVars + iVar];
    }
  }
 
  inline void RecoverTarget_Span(const su2activevector &bcastVariable, unsigned long iSpan, su2double donorCoeff) override {
    for (auto iVar = 0u; iVar < nMixingVars; iVar++) {
      Target_Variable[iVar] = (1 - donorCoeff)*bcastVariable[iSpan * nMixingVars + iVar] + donorCoeff * bcastVariable[(iSpan + 1) * nMixingVars + iVar];
    }
  }
};