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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
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
|
