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diff --git a/src/dynamics/superGuoZhaoPostProcessor2D.hh b/src/dynamics/superGuoZhaoPostProcessor2D.hh
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+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2016-2017 Davide Dapelo, Mathias J. Krause
+ *  OpenLB 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
+ * Class to define the external fields involved
+ * in the porous modelling (i.e., porosity, porous conductivity
+ * with the addition of a generic body force)
+ * -- generic file
+ */
+
+#ifndef SUPER_GUO_ZAO_POST_PROCESSOR_2D_HH
+#define SUPER_GUO_ZAO_POST_PROCESSOR_2D_HH
+
+#include "dynamics/guoZhaoLbHelpers.h"
+
+namespace olb {
+
+template<typename T, typename DESCRIPTOR, class dynamicsManager>
+SuperGuoZhaoInstantiator2D<T, DESCRIPTOR, dynamicsManager>::SuperGuoZhaoInstantiator2D (
+  SuperLattice2D<T, DESCRIPTOR>& sLattice_) :
+  sLattice(sLattice_)
+{}
+
+template<typename T, typename DESCRIPTOR, class dynamicsManager>
+void SuperGuoZhaoInstantiator2D<T, DESCRIPTOR, dynamicsManager>::definePorousFields (
+  AnalyticalF2D<T,T>& epsilon_, AnalyticalF2D<T,T>& K_)
+{
+
+}
+
+template<typename T, typename DESCRIPTOR, class dynamicsManager>
+void SuperGuoZhaoInstantiator2D<T, DESCRIPTOR, dynamicsManager>::defineEpsilon (
+  SuperGeometry2D<T>& sGeometry, int material, AnalyticalF2D<T,T>& epsilon)
+{
+
+  sLattice.template defineField<descriptors::EPSILON>(sGeometry, material, epsilon);
+}
+
+template<typename T, typename DESCRIPTOR, class dynamicsManager>
+void SuperGuoZhaoInstantiator2D<T, DESCRIPTOR, dynamicsManager>::defineK (
+  UnitConverter<T,DESCRIPTOR> const& converter, SuperGeometry2D<T>& sGeometry, int material, AnalyticalF2D<T,T>& K)
+{
+
+  AnalyticalConst2D<T,T> normFactor(converter.getConversionFactorLength()*converter.getConversionFactorLength());
+  AnalyticalIdentity2D<T,T> KLb(K / normFactor);
+  sLattice.template defineField<descriptors::K>(sGeometry, material, KLb);
+}
+
+template<typename T, typename DESCRIPTOR, class dynamicsManager>
+void SuperGuoZhaoInstantiator2D<T, DESCRIPTOR, dynamicsManager>::defineNu (
+  UnitConverter<T,DESCRIPTOR> const& converter, SuperGeometry2D<T>& sGeometry, int material)
+{
+
+  AnalyticalConst2D<T,T> nu(converter.getLatticeViscosity());
+  sLattice.template defineField<descriptors::NU>(sGeometry, material, nu);
+}
+
+template<typename T, typename DESCRIPTOR, class dynamicsManager>
+void SuperGuoZhaoInstantiator2D<T, DESCRIPTOR, dynamicsManager>::defineBodyForce (
+  UnitConverter<T,DESCRIPTOR> const& converter, SuperGeometry2D<T>& sGeometry, int material, AnalyticalF2D<T,T>& BodyForce)
+{
+
+  std::vector<T> normFactorValue ( 2,
+                                   converter.getConversionFactorLength() / (converter.getConversionFactorTime()*converter.getConversionFactorTime()) );
+  AnalyticalConst2D<T,T> normFactor(normFactorValue);
+  AnalyticalIdentity2D<T,T> BodyForceLb(BodyForce / normFactor);
+  sLattice.template defineField<descriptors::BODY_FORCE>(sGeometry, material, BodyForceLb);
+}
+
+}
+
+#endif