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

---
 src/dynamics/porousForcedBGKDynamics.h | 65 ++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 src/dynamics/porousForcedBGKDynamics.h

(limited to 'src/dynamics/porousForcedBGKDynamics.h')

diff --git a/src/dynamics/porousForcedBGKDynamics.h b/src/dynamics/porousForcedBGKDynamics.h
new file mode 100644
index 0000000..ebb0015
--- /dev/null
+++ b/src/dynamics/porousForcedBGKDynamics.h
@@ -0,0 +1,65 @@
+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2012 Asher Zarth, Lukas Baron, Mathias J. Krause, 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
+ * BGK Dynamics for porous media -- header file.
+ */
+#ifndef POROUS_FORCED_BGK_DYNAMICS_H
+#define POROUS_FORCED_BGK_DYNAMICS_H
+
+#include "dynamics/dynamics.h"
+#include "core/cell.h"
+
+namespace olb {
+
+/// Implementation of the BGK collision step for a porosity model
+template<typename T, typename DESCRIPTOR>
+class PorousForcedBGKdynamics : public BasicDynamics<T,DESCRIPTOR> {
+public:
+  /// Constructor
+  PorousForcedBGKdynamics(T omega_, Momenta<T,DESCRIPTOR>& momenta_);
+  void computeU (
+    Cell<T,DESCRIPTOR> const& cell,
+    T u[DESCRIPTOR::d] ) const override;
+  /// Compute fluid velocity and particle density on the cell.
+  void computeRhoU (
+    Cell<T,DESCRIPTOR> const& cell,
+    T& rho, T u[DESCRIPTOR::d]) const override;
+
+  /// Collision step
+  virtual void collide(Cell<T,DESCRIPTOR>& cell,
+                       LatticeStatistics<T>& statistics_);
+
+  /// get relaxation parameter
+  T    getOmega() const;
+  /// set relaxation parameter
+  void setOmega(T omega_);
+
+
+private:
+  T _omega;      ///< relaxation parameter
+};
+
+} // olb
+
+#endif
-- 
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