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/particles/forces/weightForce3D.hh | 50 +++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
create mode 100644 src/particles/forces/weightForce3D.hh
(limited to 'src/particles/forces/weightForce3D.hh')
diff --git a/src/particles/forces/weightForce3D.hh b/src/particles/forces/weightForce3D.hh
new file mode 100644
index 0000000..a5f098e
--- /dev/null
+++ b/src/particles/forces/weightForce3D.hh
@@ -0,0 +1,50 @@
+/* This file is part of the OpenLB library
+ *
+ * Copyright (C) 2016 Thomas Henn
+ * E-mail contact: info@openlb.net
+ * The most recent release of OpenLB can be downloaded at
+ *
+ *
+ * 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 WEIGHTFORCE_3D_HH
+#define WEIGHTFORCE_3D_HH
+
+#include
+#include "weightForce3D.h"
+
+namespace olb {
+
+template class PARTICLETYPE>
+WeightForce3D::WeightForce3D(std::vector direction, T g) : Force3D(), _direction(direction), _g(g)
+{
+ T directionNorm = sqrt(pow(_direction[0], 2.)+pow(_direction[1], 2.)+pow(_direction[2], 2.));
+ for (int i=0; i<3; ++i) {
+ _direction[i]/=directionNorm;
+ }
+}
+
+template class PARTICLETYPE>
+void WeightForce3D::applyForce(typename std::deque >::iterator p, int pInt, ParticleSystem3D& psSys)
+{
+ for (int j=0; j<3; ++j) {
+ p->getForce()[j] += p->getMass() * _g * _direction[j];
+ }
+}
+
+}
+#endif /* WEIGHTFORCE_3D_HH */
--
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