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diff --git a/src/boundary/momentaOnBoundaries2D.h b/src/boundary/momentaOnBoundaries2D.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
+ * Local boundary cell 2D dynamics -- header file.
+ */
+#ifndef MOMENTA_ON_BOUNDARIES_2D_H
+#define MOMENTA_ON_BOUNDARIES_2D_H
+
+#include "momentaOnBoundaries.h"
+
+namespace olb {
+
+template<typename T, typename DESCRIPTOR,
+         int normalX, int normalY>
+class InnerCornerVelBM2D : public DirichletBoundaryMomenta<T,DESCRIPTOR> {
+public:
+  /// Default Constructor: initialization to zero
+  InnerCornerVelBM2D();
+  /// Constructor with boundary initialization
+  InnerCornerVelBM2D(const T u_[DESCRIPTOR::d]);
+
+  T computeRho(Cell<T,DESCRIPTOR> const& cell) const override;
+  void computeU (
+    Cell<T,DESCRIPTOR> const& cell,
+    T u[DESCRIPTOR::d] ) const override;
+  void computeJ (
+    Cell<T,DESCRIPTOR> const& cell,
+    T j[DESCRIPTOR::d] ) const override;
+  void computeU(T u[DESCRIPTOR::d]) const;
+  void defineRho(Cell<T,DESCRIPTOR>& cell, T rho) override ;
+  void defineU(Cell<T,DESCRIPTOR>& cell,
+                       const T u[DESCRIPTOR::d]) override ;
+  void defineU(const T u[DESCRIPTOR::d]);
+  void defineAllMomenta (
+    Cell<T,DESCRIPTOR>& cell,
+    T rho, const T u[DESCRIPTOR::d],
+    const T pi[util::TensorVal<DESCRIPTOR >::n] ) override;
+  /// Stress tensor
+  void computeStress (
+    Cell<T,DESCRIPTOR> const& cell,
+    T rho, const T u[DESCRIPTOR::d],
+    T pi[util::TensorVal<DESCRIPTOR >::n] ) const override;
+private:
+  T _u[DESCRIPTOR::d];   ///< value of the velocity on the boundary
+};
+
+
+}
+
+#endif