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diff --git a/src/boundary/advectionDiffusionMomentaOnBoundaries.h b/src/boundary/advectionDiffusionMomentaOnBoundaries.h
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+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2006, 2007 Jonas Latt
+ *  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
+ * Implementation of boundary cell dynamics -- header file.
+ */
+#ifndef ADE_MOMENTA_ON_BOUNDARIES_H
+#define ADE_MOMENTA_ON_BOUNDARIES_H
+
+#include "dynamics/dynamics.h"
+#include "dynamics/advectionDiffusionMomenta.h"
+#include "core/util.h"
+#include "core/cell.h"
+
+namespace olb {
+
+/// Computation of velocity momenta on a velocity boundary
+template<typename T, typename DESCRIPTOR>
+class AdvectionDiffusionBoundaryMomenta : virtual public AdvectionDiffusionBulkMomenta<T,DESCRIPTOR> {
+public:
+  virtual void computeJneq( Cell<T,DESCRIPTOR> const& cell, T jNeq[DESCRIPTOR::d] ) const =0;
+};
+
+/// Computation of velocity momenta on a velocity boundary
+template<typename T, typename DESCRIPTOR, int direction, int orientation>
+class RegularizedTemperatureBM : public AdvectionDiffusionBoundaryMomenta<T,DESCRIPTOR> {
+public:
+  /// Default Constructor: initialization to u=0, rho=1
+  RegularizedTemperatureBM(const T temperature = 0.5);
+
+  T computeRho(Cell<T,DESCRIPTOR> const& cell) const override;
+  void computeJ( Cell<T,DESCRIPTOR> const& cell, T j[DESCRIPTOR::d] ) const override;
+  void computeJneq( Cell<T,DESCRIPTOR> const& cell, T jNeq[DESCRIPTOR::d] ) const override;
+  void defineRho(Cell<T,DESCRIPTOR>& cell, T rho) override;
+  void defineRhoU (Cell<T,DESCRIPTOR>& cell, T rho, const T u[DESCRIPTOR::d]) override;
+private:
+  T _temperature;
+};
+
+
+/// Computation of velocity momenta on a velocity boundary
+template<typename T, typename DESCRIPTOR, int direction, int orientation>
+class RegularizedHeatFluxBM : public AdvectionDiffusionBoundaryMomenta<T,DESCRIPTOR> {
+public:
+  /// Default Constructor: initialization to u=0, rho=1
+  RegularizedHeatFluxBM(T *heatFlux = nullptr);
+
+  T computeRho(Cell<T,DESCRIPTOR> const& cell) const override;
+  void computeJ( Cell<T,DESCRIPTOR> const& cell, T j[DESCRIPTOR::d] ) const override;
+  void computeJneq( Cell<T,DESCRIPTOR> const& cell, T jNeq[DESCRIPTOR::d] ) const override;
+private:
+  T _heatFlux[DESCRIPTOR::d];
+};
+
+
+}  // namespace olb
+
+
+#endif
+