File: printMeshStats.C

package info (click to toggle)
openfoam 4.1%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 163,028 kB
  • ctags: 58,990
  • sloc: cpp: 830,760; sh: 10,227; ansic: 8,215; xml: 745; lex: 437; awk: 194; sed: 91; makefile: 77; python: 18
file content (170 lines) | stat: -rw-r--r-- 4,970 bytes parent folder | download | duplicates (2)
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
#include "printMeshStats.H"
#include "polyMesh.H"
#include "globalMeshData.H"

#include "hexMatcher.H"
#include "wedgeMatcher.H"
#include "prismMatcher.H"
#include "pyrMatcher.H"
#include "tetWedgeMatcher.H"
#include "tetMatcher.H"
#include "IOmanip.H"


void Foam::printMeshStats(const polyMesh& mesh, const bool allTopology)
{
    Info<< "Mesh stats" << nl
        << "    points:           "
        << returnReduce(mesh.points().size(), sumOp<label>()) << nl;

    label nInternalPoints = returnReduce
    (
        mesh.nInternalPoints(),
        sumOp<label>()
    );

    if (nInternalPoints != -Pstream::nProcs())
    {
        Info<< "    internal points:  " << nInternalPoints << nl;

        if (returnReduce(mesh.nInternalPoints(), minOp<label>()) == -1)
        {
            WarningInFunction
                << "Some processors have their points sorted into internal"
                << " and external and some do not." << endl
                << "This can cause problems later on." << endl;
        }
    }

    if (allTopology && nInternalPoints != -Pstream::nProcs())
    {
        label nEdges = returnReduce(mesh.nEdges(), sumOp<label>());
        label nInternalEdges = returnReduce
        (
            mesh.nInternalEdges(),
            sumOp<label>()
        );
        label nInternal1Edges = returnReduce
        (
            mesh.nInternal1Edges(),
            sumOp<label>()
        );
        label nInternal0Edges = returnReduce
        (
            mesh.nInternal0Edges(),
            sumOp<label>()
        );

        Info<< "    edges:            " << nEdges << nl
            << "    internal edges:   " << nInternalEdges << nl
            << "    internal edges using one boundary point:   "
            << nInternal1Edges-nInternal0Edges << nl
            << "    internal edges using two boundary points:  "
            << nInternalEdges-nInternal1Edges << nl;
    }

    label nFaces = returnReduce(mesh.faces().size(), sumOp<label>());
    label nIntFaces = returnReduce(mesh.faceNeighbour().size(), sumOp<label>());
    label nCells = returnReduce(mesh.cells().size(), sumOp<label>());

    Info<< "    faces:            " << nFaces << nl
        << "    internal faces:   " << nIntFaces << nl
        << "    cells:            " << nCells << nl
        << "    faces per cell:   "
        << scalar(nFaces + nIntFaces)/max(1, nCells) << nl
        << "    boundary patches: " << mesh.boundaryMesh().size() << nl
        << "    point zones:      " << mesh.pointZones().size() << nl
        << "    face zones:       " << mesh.faceZones().size() << nl
        << "    cell zones:       " << mesh.cellZones().size() << nl
        << endl;

    // Construct shape recognizers
    hexMatcher hex;
    prismMatcher prism;
    wedgeMatcher wedge;
    pyrMatcher pyr;
    tetWedgeMatcher tetWedge;
    tetMatcher tet;

    // Counters for different cell types
    label nHex = 0;
    label nWedge = 0;
    label nPrism = 0;
    label nPyr = 0;
    label nTet = 0;
    label nTetWedge = 0;
    label nUnknown = 0;

    Map<label> polyhedralFaces;

    for (label celli = 0; celli < mesh.nCells(); celli++)
    {
        if (hex.isA(mesh, celli))
        {
            nHex++;
        }
        else if (tet.isA(mesh, celli))
        {
            nTet++;
        }
        else if (pyr.isA(mesh, celli))
        {
            nPyr++;
        }
        else if (prism.isA(mesh, celli))
        {
            nPrism++;
        }
        else if (wedge.isA(mesh, celli))
        {
            nWedge++;
        }
        else if (tetWedge.isA(mesh, celli))
        {
            nTetWedge++;
        }
        else
        {
            nUnknown++;
            polyhedralFaces(mesh.cells()[celli].size())++;
        }
    }

    reduce(nHex,sumOp<label>());
    reduce(nPrism,sumOp<label>());
    reduce(nWedge,sumOp<label>());
    reduce(nPyr,sumOp<label>());
    reduce(nTetWedge,sumOp<label>());
    reduce(nTet,sumOp<label>());
    reduce(nUnknown,sumOp<label>());

    Info<< "Overall number of cells of each type:" << nl
        << "    hexahedra:     " << nHex << nl
        << "    prisms:        " << nPrism << nl
        << "    wedges:        " << nWedge << nl
        << "    pyramids:      " << nPyr << nl
        << "    tet wedges:    " << nTetWedge << nl
        << "    tetrahedra:    " << nTet << nl
        << "    polyhedra:     " << nUnknown
        << endl;

    if (nUnknown > 0)
    {
        Pstream::mapCombineGather(polyhedralFaces, plusEqOp<label>());

        Info<< "    Breakdown of polyhedra by number of faces:" << nl
            << "        faces" << "   number of cells" << endl;

        const labelList sortedKeys = polyhedralFaces.sortedToc();

        forAll(sortedKeys, keyI)
        {
            const label nFaces = sortedKeys[keyI];

            Info<< setf(std::ios::right) << setw(13)
                << nFaces << "   " << polyhedralFaces[nFaces] << nl;
        }
    }

    Info<< endl;
}