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
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2016 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/>.
Description
Strips any baffle parts of a surface. A baffle region is one which is
reached by walking from an open edge, and stopping when a multiply connected
edge is reached.
\*---------------------------------------------------------------------------*/
#include "argList.H"
#include "triSurface.H"
using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
argList::noParallel();
argList::validOptions.clear();
argList::validArgs.append("input surface file");
argList::validArgs.append("output surface file");
argList args(argc, argv);
fileName surfFileName(args[1]);
Info<< "Reading surface from " << surfFileName << endl;
fileName outFileName(args[2]);
fileName outFileBaseName = outFileName.lessExt();
word outExtension = outFileName.ext();
// Load surface
triSurface surf(surfFileName);
bool anyZoneRemoved = false;
label iterationNo = 0;
label iterationLimit = 10;
Info<< "Splitting off baffle parts " << endl;
do
{
anyZoneRemoved = false;
labelList faceZone;
const labelListList& edFaces = surf.edgeFaces();
const labelListList& faceEds = surf.faceEdges();
boolList multipleEdges(edFaces.size(), false);
forAll(multipleEdges, i)
{
if (edFaces[i].size() > 2)
{
multipleEdges[i] = true;
}
}
label nZones = surf.markZones(multipleEdges, faceZone);
if (nZones < 2)
{
break;
}
boolList nonBaffle(faceZone.size(), true);
boolList baffle(faceZone.size(), true);
labelList pointMap;
labelList faceMap;
for (label z = 0; z < nZones; z++)
{
bool keepZone = true;
forAll(faceZone, f)
{
if (faceZone[f] == z)
{
forAll(faceEds[f], fe)
{
if (edFaces[faceEds[f][fe]].size() < 2)
{
keepZone = false;
anyZoneRemoved = true;
break;
}
}
}
if (!keepZone)
{
break;
}
}
forAll(faceZone, f)
{
if (faceZone[f] == z)
{
nonBaffle[f] = keepZone;
baffle[f] = !keepZone;
}
}
}
Info<< " Iteration " << iterationNo << endl;
triSurface baffleSurf = surf.subsetMesh(baffle, pointMap, faceMap);
if (baffleSurf.size())
{
fileName bafflePartFileName =
outFileBaseName
+ "_bafflePart_"
+ name(iterationNo)
+ "." + outExtension;
Info<< " Writing baffle part to " << bafflePartFileName << endl;
baffleSurf.write(bafflePartFileName);
}
surf = surf.subsetMesh(nonBaffle, pointMap, faceMap);
if (iterationNo == iterationLimit)
{
WarningInFunction
<< "Iteration limit of " << iterationLimit << "reached" << endl;
}
iterationNo++;
} while (anyZoneRemoved && iterationNo < iterationLimit);
Info<< "Writing new surface to " << outFileName << endl;
surf.write(outFileName);
labelList faceZone;
const labelListList& edFaces = surf.edgeFaces();
boolList multipleEdges(edFaces.size(), false);
forAll(multipleEdges, i)
{
if (edFaces[i].size() > 2)
{
multipleEdges[i] = true;
}
}
label nZones = surf.markZones(multipleEdges, faceZone);
Info<< "Splitting remaining multiply connected parts" << endl;
for (label z = 0; z < nZones; z++)
{
boolList include(faceZone.size(), false);
labelList pointMap;
labelList faceMap;
forAll(faceZone, f)
{
if (faceZone[f] == z)
{
include[f] = true;
}
}
triSurface zoneSurf = surf.subsetMesh(include, pointMap, faceMap);
fileName remainingPartFileName =
outFileBaseName
+ "_multiplePart_"
+ name(z)
+ "." + outExtension;
Info<< " Writing mulitple part "
<< z << " to " << remainingPartFileName << endl;
zoneSurf.write(remainingPartFileName);
}
Info << "End\n" << endl;
return 0;
}
// ************************************************************************* //
|
