From 78d8d5206b0986e81690d2cee6b7202abef5a1f2 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Tue, 8 Jan 2019 10:43:28 +0100
Subject: Extract refinement scaffolding into separate units

---
 src/refinement/coupler2D.h | 85 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 src/refinement/coupler2D.h

(limited to 'src/refinement/coupler2D.h')

diff --git a/src/refinement/coupler2D.h b/src/refinement/coupler2D.h
new file mode 100644
index 0000000..b218eff
--- /dev/null
+++ b/src/refinement/coupler2D.h
@@ -0,0 +1,85 @@
+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2019 Adrian Kummerländer
+ *  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.
+*/
+
+#ifndef REFINEMENT_COUPLER_2D_H
+#define REFINEMENT_COUPLER_2D_H
+
+#include "grid2D.h"
+
+namespace olb {
+
+
+template <typename T, template<typename> class DESCRIPTOR>
+class Coupler2D {
+protected:
+  Grid2D<T,DESCRIPTOR>& _coarse;
+  Grid2D<T,DESCRIPTOR>& _fine;
+
+  const int  _coarseSize;
+  const int  _fineSize;
+  const bool _vertical;
+
+  Vector<T,2>   _physOrigin;
+  Vector<int,3> _coarseOrigin;
+  Vector<int,3> _fineOrigin;
+
+  Vector<int,3> getFineLatticeR(int y) const;
+  Vector<int,3> getCoarseLatticeR(int y) const;
+
+public:
+  Coupler2D(Grid2D<T,DESCRIPTOR>& coarse, Grid2D<T,DESCRIPTOR>& fine,
+            Vector<T,2> origin, Vector<T,2> extend);
+
+};
+
+template <typename T, template<typename> class DESCRIPTOR>
+class FineCoupler2D : public Coupler2D<T,DESCRIPTOR> {
+private:
+  std::vector<T>           _c2f_rho;
+  std::vector<Vector<T,2>> _c2f_u;
+  std::vector<Vector<T,DESCRIPTOR<T>::q>> _c2f_fneq;
+
+public:
+  FineCoupler2D(Grid2D<T,DESCRIPTOR>& coarse, Grid2D<T,DESCRIPTOR>& fine,
+                Vector<T,2> origin, Vector<T,2> extend);
+
+  void store();
+  void interpolate();
+  void couple();
+
+};
+
+template <typename T, template<typename> class DESCRIPTOR>
+class CoarseCoupler2D : public Coupler2D<T,DESCRIPTOR> {
+public:
+  CoarseCoupler2D(Grid2D<T,DESCRIPTOR>& coarse, Grid2D<T,DESCRIPTOR>& fine,
+                  Vector<T,2> origin, Vector<T,2> extend);
+
+  void couple();
+
+};
+
+
+}
+
+#endif
-- 
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