1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
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
* <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 WEIGHTFORCE_3D_HH
#define WEIGHTFORCE_3D_HH
#include <cmath>
#include "weightForce3D.h"
namespace olb {
template<typename T, template<typename U> class PARTICLETYPE>
WeightForce3D<T, PARTICLETYPE>::WeightForce3D(std::vector<T> direction, T g) : Force3D<T, PARTICLETYPE>(), _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<typename T, template<typename U> class PARTICLETYPE>
void WeightForce3D<T, PARTICLETYPE>::applyForce(typename std::deque<PARTICLETYPE<T> >::iterator p, int pInt, ParticleSystem3D<T, PARTICLETYPE>& psSys)
{
for (int j=0; j<3; ++j) {
p->getForce()[j] += p->getMass() * _g * _direction[j];
}
}
}
#endif /* WEIGHTFORCE_3D_HH */
|
