diff options
Initialize at openlb-1-3
Diffstat (limited to 'src/particles/forces/stokesDragForceForHomVelField3D.hh')
-rw-r--r-- | src/particles/forces/stokesDragForceForHomVelField3D.hh | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/particles/forces/stokesDragForceForHomVelField3D.hh b/src/particles/forces/stokesDragForceForHomVelField3D.hh new file mode 100644 index 0000000..a204790 --- /dev/null +++ b/src/particles/forces/stokesDragForceForHomVelField3D.hh @@ -0,0 +1,57 @@ +/* This file is part of the OpenLB library + * + * Copyright (C) 2017 Marie-Luise Maier, Mathias J. Krause, Sascha Janz + * 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. + */ + +/// Linear damping Force for magnetic dipolemoment in magnetic Field +#ifndef StokesDragForceForHomVelField3D_HH +#define StokesDragForceForHomVelField3D_HH + +#include <cmath> +#include "stokesDragForceForHomVelField3D.h" + +namespace olb { + +template<typename T, template<typename U> class PARTICLETYPE, typename DESCRIPTOR> +StokesDragForceForHomVelField3D<T, PARTICLETYPE, DESCRIPTOR>::StokesDragForceForHomVelField3D(T dynVisc, Vector<T, 3> fluidVel): + Force3D<T, PARTICLETYPE>(), _dynVisc(dynVisc), _fluidVel(fluidVel) +{ +// this->_name = "StokesDragForceForHomVelField3D"; +} + +template<typename T, template<typename U> class PARTICLETYPE, typename DESCRIPTOR> +void StokesDragForceForHomVelField3D<T, PARTICLETYPE, DESCRIPTOR>::applyForce( + typename std::deque<PARTICLETYPE<T> >::iterator p, int pInt, + ParticleSystem3D<T, PARTICLETYPE>& pSys) +{ + + Vector<T, 3> force = {T(0), T(0), T(0)} ; + + for (int i = 0; i < 3; i++) { + + force[i] = -1 * 6 * M_PI * p->getRad() * (p->getVel()[i] - _fluidVel[i]) * _dynVisc ; + p->getForce()[i] += force[i] ; + } + +} +} + +#endif // StokesDragForceForHomVelField3D |