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/* This file is part of the OpenLB library
*
* Copyright (C) 2014 Thomas Henn, Mathias J. Krause
* 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 PERIODICBOUNDARY3D_H_
#define PERIODICBOUNDARY3D_H_
#include <math.h>
#include <vector>
namespace olb {
template<typename T, template<typename U> class PARTICLETYPE>
class ParticleSystem3D;
/*
* Particle boundary based on a cube around the area with material number 1.
* Only applicable to rectangles since if a particle leaves the area with
* material number 1 it is moved to the opposing side of the area by
* newPosition = oldPosition +/- extend(MaterialNumber=1).
**/
template<typename T, template<typename U> class PARTICLETYPE>
class PeriodicBoundary3D : public Boundary3D<T, PARTICLETYPE> {
public:
PeriodicBoundary3D(SuperGeometry3D<T> sg, bool x,
bool y, bool z);
PeriodicBoundary3D(PeriodicBoundary3D<T, PARTICLETYPE>& f);
virtual ~PeriodicBoundary3D() { };
virtual void applyBoundary(typename std::deque<PARTICLETYPE<T> >::iterator& p, ParticleSystem3D<T, PARTICLETYPE>& psSys);
/// Returns number of particles that moved through the periodic boundary
/// Order: x+, x-, y+, y-, z+, z-
unsigned int* getJumper();
private:
//cube extents with origin (0,0,0)
std::vector<T> _minPhys, _maxPhys, _extend;
bool _x, _y, _z;
unsigned int _jumper[6];
CuboidGeometry3D<T>& _cuboidGeometry;
T _overlap;
};
template<typename T, template<typename U> class PARTICLETYPE>
PeriodicBoundary3D<T, PARTICLETYPE>::PeriodicBoundary3D(
SuperGeometry3D<T> sg, bool x, bool y, bool z) : Boundary3D<T, PARTICLETYPE>(),
_minPhys(3, T()), _maxPhys(3, T()), _extend(3, T()),
_x(x),
_y(y),
_z(z), _cuboidGeometry(sg.getCuboidGeometry())
{
_minPhys = sg.getStatistics().getMinPhysR(1);
_maxPhys = sg.getStatistics().getMaxPhysR(1);
_extend[0] = _maxPhys[0] - _minPhys[0];
_extend[1] = _maxPhys[1] - _minPhys[1];
_extend[2] = _maxPhys[2] - _minPhys[2];
for (int i=0; i<6; ++i) {
_jumper[i] = 0;
}
_overlap = sg.getOverlap();
}
template<typename T, template<typename U> class PARTICLETYPE>
void PeriodicBoundary3D<T, PARTICLETYPE>::applyBoundary(
typename std::deque<PARTICLETYPE<T> >::iterator& p,
ParticleSystem3D<T, PARTICLETYPE>& psSys)
{
if (_x) {
if (p->getPos()[0] > _maxPhys[0]) {
p->getPos()[0] -= _extend[0];
++_jumper[0];
int C = this->_cuboidGeometry.get_iC(p->getPos()[0], p->getPos()[1], p->getPos()[2], _overlap);
p->setCuboid(C);
} else if (p->getPos()[0] < _minPhys[0]) {
p->getPos()[0] += _extend[0];
++_jumper[1];
int C = this->_cuboidGeometry.get_iC(p->getPos()[0], p->getPos()[1], p->getPos()[2], _overlap);
p->setCuboid(C);
}
}
if (_y) {
if (p->getPos()[1] > _maxPhys[1]) {
p->getPos()[1] -= _extend[1];
++_jumper[2];
int C = this->_cuboidGeometry.get_iC(p->getPos()[0], p->getPos()[1], p->getPos()[2], _overlap);
p->setCuboid(C);
} else if (p->getPos()[1] < _minPhys[1]) {
p->getPos()[1] += _extend[1];
++_jumper[3];
int C = this->_cuboidGeometry.get_iC(p->getPos()[0], p->getPos()[1], p->getPos()[2], _overlap);
p->setCuboid(C);
}
}
if (_z) {
if (p->getPos()[2] > _maxPhys[2]) {
p->getPos()[2] -= _extend[2];
++_jumper[4];
int C = this->_cuboidGeometry.get_iC(p->getPos()[0], p->getPos()[1], p->getPos()[2], _overlap);
p->setCuboid(C);
} else if (p->getPos()[2] < _minPhys[2]) {
p->getPos()[2] += _extend[2];
++_jumper[5];
int C = this->_cuboidGeometry.get_iC(p->getPos()[0], p->getPos()[1], p->getPos()[2], _overlap);
p->setCuboid(C);
}
}
}
template<typename T, template<typename U> class PARTICLETYPE>
unsigned int* PeriodicBoundary3D<T, PARTICLETYPE>::getJumper()
{
return _jumper;
}
}
#endif
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