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diff --git a/src/core/blockStructure2D.h b/src/core/blockStructure2D.h
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+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2015 Mathias J. Krause
+ *  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
+ * Dynamics for a generic 2D block -- header file.
+ */
+#ifndef BLOCK_STRUCTURE_2D_H
+#define BLOCK_STRUCTURE_2D_H
+
+
+namespace olb {
+
+/** An empty hull with left bottom corner at (0,0).
+ *
+ * \param _nx extension in x direction
+ * \param _ny extension in y direction
+ *
+ */
+class BlockStructure2D {
+protected:
+  /// Block width
+  int _nx;
+  /// Block height
+  int _ny;
+public:
+  BlockStructure2D(int nx, int ny) : _nx(nx), _ny(ny) {};
+  /// Read only access to block width
+  int getNx() const
+  {
+    return _nx;
+  };
+  /// Read only access to block height
+  int getNy() const
+  {
+    return _ny;
+  };
+};
+
+}  // namespace olb
+
+#endif