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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2014 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM 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 3 of the License, or
(at your option) any later version.
OpenFOAM 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 OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Application
refineHexMesh
Description
Refines a hex mesh by 2x2x2 cell splitting.
\*---------------------------------------------------------------------------*/
#include "fvMesh.H"
#include "pointMesh.H"
#include "argList.H"
#include "Time.H"
#include "hexRef8.H"
#include "cellSet.H"
#include "OFstream.H"
#include "meshTools.H"
#include "IFstream.H"
#include "polyTopoChange.H"
#include "mapPolyMesh.H"
#include "volMesh.H"
#include "surfaceMesh.H"
#include "volFields.H"
#include "surfaceFields.H"
#include "pointFields.H"
#include "ReadFields.H"
using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
#include "addOverwriteOption.H"
#include "addRegionOption.H"
argList::validArgs.append("cellSet");
argList::addBoolOption
(
"minSet",
"remove cells from input cellSet to keep to 2:1 ratio"
" (default is to extend set)"
);
#include "setRootCase.H"
#include "createTime.H"
runTime.functionObjects().off();
#include "createNamedMesh.H"
const word oldInstance = mesh.pointsInstance();
word cellSetName(args.args()[1]);
const bool overwrite = args.optionFound("overwrite");
const bool minSet = args.optionFound("minSet");
Info<< "Reading cells to refine from cellSet " << cellSetName
<< nl << endl;
cellSet cellsToRefine(mesh, cellSetName);
Info<< "Read " << returnReduce(cellsToRefine.size(), sumOp<label>())
<< " cells to refine from cellSet " << cellSetName << nl
<< endl;
// Read objects in time directory
IOobjectList objects(mesh, runTime.timeName());
// Read vol fields.
PtrList<volScalarField> vsFlds;
ReadFields(mesh, objects, vsFlds);
PtrList<volVectorField> vvFlds;
ReadFields(mesh, objects, vvFlds);
PtrList<volSphericalTensorField> vstFlds;
ReadFields(mesh, objects, vstFlds);
PtrList<volSymmTensorField> vsymtFlds;
ReadFields(mesh, objects, vsymtFlds);
PtrList<volTensorField> vtFlds;
ReadFields(mesh, objects, vtFlds);
// Read surface fields.
PtrList<surfaceScalarField> ssFlds;
ReadFields(mesh, objects, ssFlds);
PtrList<surfaceVectorField> svFlds;
ReadFields(mesh, objects, svFlds);
PtrList<surfaceSphericalTensorField> sstFlds;
ReadFields(mesh, objects, sstFlds);
PtrList<surfaceSymmTensorField> ssymtFlds;
ReadFields(mesh, objects, ssymtFlds);
PtrList<surfaceTensorField> stFlds;
ReadFields(mesh, objects, stFlds);
// Read point fields
PtrList<pointScalarField> psFlds;
ReadFields(pointMesh::New(mesh), objects, psFlds);
PtrList<pointVectorField> pvFlds;
ReadFields(pointMesh::New(mesh), objects, pvFlds);
// Construct refiner without unrefinement. Read existing point/cell level.
hexRef8 meshCutter(mesh);
// Some stats
Info<< "Read mesh:" << nl
<< " cells:" << mesh.globalData().nTotalCells() << nl
<< " faces:" << mesh.globalData().nTotalFaces() << nl
<< " points:" << mesh.globalData().nTotalPoints() << nl
<< " cellLevel :"
<< " min:" << gMin(meshCutter.cellLevel())
<< " max:" << gMax(meshCutter.cellLevel()) << nl
<< " pointLevel :"
<< " min:" << gMin(meshCutter.pointLevel())
<< " max:" << gMax(meshCutter.pointLevel()) << nl
<< endl;
// Maintain 2:1 ratio
labelList newCellsToRefine
(
meshCutter.consistentRefinement
(
cellsToRefine.toc(),
!minSet // extend set
)
);
// Mesh changing engine.
polyTopoChange meshMod(mesh);
// Play refinement commands into mesh changer.
meshCutter.setRefinement(newCellsToRefine, meshMod);
if (!overwrite)
{
runTime++;
}
// Create mesh, return map from old to new mesh.
autoPtr<mapPolyMesh> map = meshMod.changeMesh(mesh, false);
// Update fields
mesh.updateMesh(map);
// Update numbering of cells/vertices.
meshCutter.updateMesh(map);
// Optionally inflate mesh
if (map().hasMotionPoints())
{
mesh.movePoints(map().preMotionPoints());
}
Info<< "Refined from " << returnReduce(map().nOldCells(), sumOp<label>())
<< " to " << mesh.globalData().nTotalCells() << " cells." << nl << endl;
if (overwrite)
{
mesh.setInstance(oldInstance);
meshCutter.setInstance(oldInstance);
}
Info<< "Writing mesh to " << runTime.timeName() << endl;
mesh.write();
meshCutter.write();
Info<< "End\n" << endl;
return 0;
}
// ************************************************************************* //
|
