From 94d3e79a8617f88dc0219cfdeedfa3147833719d Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Mon, 24 Jun 2019 14:43:36 +0200
Subject: Initialize at openlb-1-3

---
 ...AdvectionDiffusionMRTCouplingPostProcessor2D.hh | 134 +++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 src/dynamics/navierStokesAdvectionDiffusionMRTCouplingPostProcessor2D.hh

(limited to 'src/dynamics/navierStokesAdvectionDiffusionMRTCouplingPostProcessor2D.hh')

diff --git a/src/dynamics/navierStokesAdvectionDiffusionMRTCouplingPostProcessor2D.hh b/src/dynamics/navierStokesAdvectionDiffusionMRTCouplingPostProcessor2D.hh
new file mode 100644
index 0000000..afaf35e
--- /dev/null
+++ b/src/dynamics/navierStokesAdvectionDiffusionMRTCouplingPostProcessor2D.hh
@@ -0,0 +1,134 @@
+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2008 Orestis Malaspinas, Andrea Parmigiani, 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.
+*/
+
+#ifndef NAVIER_STOKES_ADVECTION_DIFFUSION_MRT_COUPLING_POST_PROCESSOR_2D_HH
+#define NAVIER_STOKES_ADVECTION_DIFFUSION_MRT_COUPLING_POST_PROCESSOR_2D_HH
+
+#include "latticeDescriptors.h"
+#include "navierStokesAdvectionDiffusionMRTCouplingPostProcessor2D.h"
+#include "core/blockLattice2D.h"
+#include "core/util.h"
+#include "core/finiteDifference2D.h"
+
+using namespace std;
+
+namespace olb {
+
+//=====================================================================================
+//==============  NavierStokesAdvectionDiffusionMRTCouplingPostProcessor2D ============
+//=====================================================================================
+template<typename T, typename DESCRIPTOR>
+NavierStokesAdvectionDiffusionMRTCouplingPostProcessor2D<T,DESCRIPTOR>::
+NavierStokesAdvectionDiffusionMRTCouplingPostProcessor2D(int x0_, int x1_, int y0_, int y1_,
+    T gravity_, T T0_, T deltaTemp_, std::vector<T> dir_,
+    std::vector<SpatiallyExtendedObject2D* > partners_)
+  :  x0(x0_), x1(x1_), y0(y0_), y1(y1_),
+     gravity(gravity_), T0(T0_), deltaTemp(deltaTemp_),
+     dir(dir_), partners(partners_)
+{
+  // we normalize the direction of force vector
+  T normDir = T();
+  for (unsigned iD = 0; iD < dir.size(); ++iD) {
+    normDir += dir[iD]*dir[iD];
+  }
+  normDir = sqrt(normDir);
+  for (unsigned iD = 0; iD < dir.size(); ++iD) {
+    dir[iD] /= normDir;
+  }
+}
+
+template<typename T, typename DESCRIPTOR>
+void NavierStokesAdvectionDiffusionMRTCouplingPostProcessor2D<T,DESCRIPTOR>::
+processSubDomain(BlockLattice2D<T,DESCRIPTOR>& blockLattice,
+                 int x0_, int x1_, int y0_, int y1_)
+{
+  typedef DESCRIPTOR L;
+  enum {
+    velOffset = descriptors::AdvectionDiffusionMRTD2Q5Descriptor::index<descriptors::VELOCITY>(),
+    forceOffset = descriptors::ForcedMRTD2Q9Descriptor::index<descriptors::FORCE>()
+  };
+
+  BlockLattice2D<T,descriptors::AdvectionDiffusionMRTD2Q5Descriptor> *tPartner =
+    dynamic_cast<BlockLattice2D<T,descriptors::AdvectionDiffusionMRTD2Q5Descriptor> *>(partners[0]);
+
+  int newX0, newX1, newY0, newY1;
+  if ( util::intersect (
+         x0, x1, y0, y1,
+         x0_, x1_, y0_, y1_,
+         newX0, newX1, newY0, newY1 ) ) {
+
+    for (int iX=newX0; iX<=newX1; ++iX) {
+      for (int iY=newY0; iY<=newY1; ++iY) {
+        // Velocity coupling
+        T *u = tPartner->get(iX,iY).template getFieldPointer<descriptors::VELOCITY>();
+        blockLattice.get(iX,iY).computeU(u);
+
+        // computation of the bousinessq force
+
+        T *force = blockLattice.get(iX,iY).template getFieldPointer<descriptors::FORCE>();
+        T temperature = tPartner->get(iX,iY).computeRho();
+        T rho = blockLattice.get(iX,iY).computeRho();
+        for (unsigned iD = 0; iD < L::d; ++iD) {
+          force[iD] = gravity * (temperature - T0) * dir[iD];
+          // cout << temperature << " ";
+        }
+      }
+    }
+  }
+  // cout << endl << endl;
+}
+
+template<typename T, typename DESCRIPTOR>
+void NavierStokesAdvectionDiffusionMRTCouplingPostProcessor2D<T,DESCRIPTOR>::
+process(BlockLattice2D<T,DESCRIPTOR>& blockLattice)
+{
+  processSubDomain(blockLattice, x0, x1, y0, y1);
+}
+
+/// LatticeCouplingGenerator for advectionDiffusion coupling
+
+template<typename T, typename DESCRIPTOR>
+NavierStokesAdvectionDiffusionMRTCouplingGenerator2D<T,DESCRIPTOR>::
+NavierStokesAdvectionDiffusionMRTCouplingGenerator2D(int x0_, int x1_, int y0_, int y1_,
+    T gravity_, T T0_, T deltaTemp_, std::vector<T> dir_)
+  : LatticeCouplingGenerator2D<T,DESCRIPTOR>(x0_, x1_, y0_, y1_),
+    gravity(gravity_), T0(T0_), deltaTemp(deltaTemp_), dir(dir_)
+{ }
+
+template<typename T, typename DESCRIPTOR>
+PostProcessor2D<T,DESCRIPTOR>* NavierStokesAdvectionDiffusionMRTCouplingGenerator2D<T,DESCRIPTOR>::generate (
+  std::vector<SpatiallyExtendedObject2D* > partners) const
+{
+  return new NavierStokesAdvectionDiffusionMRTCouplingPostProcessor2D<T,DESCRIPTOR>(
+           this->x0,this->x1,this->y0,this->y1, gravity, T0, deltaTemp, dir,partners);
+}
+
+template<typename T, typename DESCRIPTOR>
+LatticeCouplingGenerator2D<T,DESCRIPTOR>* NavierStokesAdvectionDiffusionMRTCouplingGenerator2D<T,DESCRIPTOR>::clone() const
+{
+  return new NavierStokesAdvectionDiffusionMRTCouplingGenerator2D<T,DESCRIPTOR>(*this);
+}
+
+}  // namespace olb
+
+#endif
-- 
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