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
66
67
|
/* This file is part of the OpenLB library
*
* Copyright (C) 2016-2017 Davide Dapelo, Mathias J. Krause
* OpenLB 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
* Groups all the 2D include files in the dynamics directory.
*/
/** \file
* DESCRIPTORBASE for all types of 2D and 3D lattices for the Guo-Zhao
* porous model. In principle, thanks
* to the fact that the OpenLB code is generic, it is sufficient to
* write a new descriptor when a new type of lattice is to be used.
* -- header file
*/
#ifndef GUOZHAO_LATTICE_DESCRIPTORS_H
#define GUOZHAO_LATTICE_DESCRIPTORS_H
#include <vector>
#include "core/olbDebug.h"
#include "dynamics/latticeDescriptors.h"
namespace olb {
/// Descriptors for the 2D and 3D lattices.
/** \warning Attention: The lattice directions must always be ordered in
* such a way that c[i] = -c[i+(q-1)/2] for i=1..(q-1)/2, and c[0] = 0 must
* be the rest velocity. Furthermore, the velocities c[i] for i=1..(q-1)/2
* must verify
* - in 2D: (c[i][0]<0) || (c[i][0]==0 && c[i][1]<0)
* - in 3D: (c[i][0]<0) || (c[i][0]==0 && c[i][1]<0)
* || (c[i][0]==0 && c[i][1]==0 && c[i][2]<0)
* Otherwise some of the code will work erroneously, because the
* aformentioned relations are taken as given to enable a few
* optimizations.
*/
namespace descriptors {
using GuoZhaoD2Q9Descriptor = D2Q9<FORCE,EPSILON,K,NU,BODY_FORCE>;
using GuoZhaoD3Q19Descriptor = D3Q19<FORCE,EPSILON,K,NU,BODY_FORCE>;
} // namespace descriptors
} // namespace olb
#endif
|
