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diff --git a/src/boundary/advectionDiffusionBoundaryInstantiator3D.h b/src/boundary/advectionDiffusionBoundaryInstantiator3D.h
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+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2008 Orestis Malaspinas, Andrea Parmigiani
+ *  E-mail contact: info@openlb.net
+ *  The most recent release of OpenLB can be downloaded at
+ *  <http://www.openlb.net/>
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  This program 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public
+ *  License along with this program; if not, write to the Free
+ *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+*/
+
+/** \file
+ * A helper for initialising 3D boundaries -- header file.
+ */
+
+#ifndef ADVECTION_DIFFUSION_BOUNDARY_INSTANTIATOR_3D_H
+#define ADVECTION_DIFFUSION_BOUNDARY_INSTANTIATOR_3D_H
+
+#include "advectionDiffusionBoundaryCondition3D.h"
+
+namespace olb {
+
+/* Implements methods by calling methods of template class BoundaryManager.
+*  This class detects through a discreteNormal whether voxel is edge, corner or plate.
+*  Additionally it detects orientation of plate, direction of corner, ...
+*  Empose boundary model through template class BoundaryManager.
+*/
+template<typename T, typename DESCRIPTOR, class BoundaryManager>
+class AdvectionDiffusionBoundaryConditionInstantiator3D : public OnLatticeAdvectionDiffusionBoundaryCondition3D<T,DESCRIPTOR> {
+public:
+  AdvectionDiffusionBoundaryConditionInstantiator3D( BlockLatticeStructure3D<T,DESCRIPTOR>& block );
+  ~AdvectionDiffusionBoundaryConditionInstantiator3D() override;
+
+  void addTemperatureBoundary(BlockIndicatorF3D<T>& indicator,
+                              int x0, int x1, int y0, int y1, int z0, int z1,
+                              T omega) override;
+
+  void addConvectionBoundary(BlockIndicatorF3D<T>& indicator,
+                             int x0, int x1, int y0, int y1, int z0, int z1) override;
+
+  void addExtFieldBoundary(BlockIndicatorF3D<T>& indicator,
+                           int offset,
+                           int x0, int x1, int y0, int y1, int z0, int z1) override;
+
+  void addZeroDistributionBoundary(BlockIndicatorF3D<T>& indicator,
+                                   int x0, int x1, int y0, int y1, int z0, int z1) override;
+
+private:
+  template<int direction, int orientation>
+  void addTemperatureBoundary(int x0, int x1, int y0, int y1, int z0, int z1, T omega);
+  template<int plane, int normal1, int normal2>
+  void addTemperatureBoundaryEdge(int x0, int x1, int y0, int y1, int z0, int z1, T omega);
+  template<int normalX, int normalY, int normalZ>
+  void addTemperatureBoundaryCorner(int x, int y, int z, T omega);
+
+private:
+  BlockLatticeStructure3D<T,DESCRIPTOR>& _block;
+  std::vector<Momenta<T,DESCRIPTOR>*>  momentaVector;
+  std::vector<Dynamics<T,DESCRIPTOR>*> dynamicsVector;
+};
+
+
+
+} // namespace openlb
+
+
+#endif