506 lines
14 KiB
Text
506 lines
14 KiB
Text
|
/*---------------------------------------------------------------------------*\
|
||
|
|
========= |
|
||
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
||
|
|
\\ / O peration |
|
||
|
|
\\ / A nd | Copyright held by original author
|
||
|
|
\\/ 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 2 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, write to the Free Software Foundation,
|
||
|
|
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
|
||
|
|
Application
|
||
|
|
ansysToFoam
|
||
|
|
|
||
|
|
Description
|
||
|
|
Converts an ANSYS input mesh file, exported from I-DEAS, to FOAM format.
|
||
|
|
|
||
|
|
\*---------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
%{
|
||
|
|
|
||
|
|
#undef yyFlexLexer
|
||
|
|
|
||
|
|
/* ------------------------------------------------------------------------- *\
|
||
|
|
------ local definitions
|
||
|
|
\* ------------------------------------------------------------------------- */
|
||
|
|
|
||
|
|
#include <sstream>
|
||
|
|
|
||
|
|
#include "scalar.H"
|
||
|
|
#include "IStringStream.H"
|
||
|
|
|
||
|
|
using namespace Foam;
|
||
|
|
|
||
|
|
#include "argList.H"
|
||
|
|
#include "Time.H"
|
||
|
|
#include "polyMesh.H"
|
||
|
|
#include "emptyPolyPatch.H"
|
||
|
|
#include "preservePatchTypes.H"
|
||
|
|
#include "cellShape.H"
|
||
|
|
#include "cellModeller.H"
|
||
|
|
#include "SLList.H"
|
||
|
|
#include "SLPtrList.H"
|
||
|
|
|
||
|
|
SLList<point> slPoints;
|
||
|
|
SLList<label> slPointMap;
|
||
|
|
label maxNodei = 0;
|
||
|
|
|
||
|
|
SLPtrList<labelList> slCellLabels;
|
||
|
|
SLList<label> slCellMap;
|
||
|
|
label maxCelli = 0;
|
||
|
|
|
||
|
|
PtrList<SLList<label> > slPatchCells;
|
||
|
|
PtrList<SLList<label> > slPatchCellFaces;
|
||
|
|
|
||
|
|
|
||
|
|
// Dummy yywrap to keep yylex happy at compile time.
|
||
|
|
// It is called by yylex but is not used as the mechanism to change file.
|
||
|
|
// See <<EOF>>
|
||
|
|
#if YY_FLEX_SUBMINOR_VERSION < 34
|
||
|
|
extern "C" int yywrap()
|
||
|
|
#else
|
||
|
|
int yyFlexLexer::yywrap()
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
%}
|
||
|
|
|
||
|
|
one_space [ \t\f\r]
|
||
|
|
space {one_space}*
|
||
|
|
some_space {one_space}+
|
||
|
|
cspace ","{space}
|
||
|
|
|
||
|
|
alpha [_A-Za-z]
|
||
|
|
digit [0-9]
|
||
|
|
dec_digit [0-9]
|
||
|
|
octal_digit [0-7]
|
||
|
|
hex_digit [0-9a-fA-F]
|
||
|
|
|
||
|
|
identifier {alpha}({alpha}|{digit})*
|
||
|
|
integer {dec_digit}+
|
||
|
|
label [1-9]{dec_digit}*
|
||
|
|
|
||
|
|
exponent_part [eE][-+]?{digit}+
|
||
|
|
fractional_constant [-+]?(({digit}*"."{digit}+)|({digit}+"."?))
|
||
|
|
|
||
|
|
double (({fractional_constant}{exponent_part}?)|({digit}+{exponent_part}))
|
||
|
|
|
||
|
|
x {double}
|
||
|
|
y {double}
|
||
|
|
z {double}
|
||
|
|
value {double}
|
||
|
|
|
||
|
|
node ^{space}"N"{cspace}
|
||
|
|
element ^{space}"EN"{cspace}
|
||
|
|
bface ^{space}"SFE"{cspace}
|
||
|
|
|
||
|
|
|
||
|
|
%%
|
||
|
|
|
||
|
|
%{
|
||
|
|
labelList labels(8);
|
||
|
|
%}
|
||
|
|
|
||
|
|
|
||
|
|
/* ------------------------------------------------------------------------- *\
|
||
|
|
------ Start Lexing ------
|
||
|
|
\* ------------------------------------------------------------------------- */
|
||
|
|
|
||
|
|
{node}{label}{cspace}{x}{cspace}{y}{cspace}{z}{space}\n {
|
||
|
|
IStringStream nodeStream(YYText());
|
||
|
|
char tag, c;
|
||
|
|
label nodei;
|
||
|
|
point node;
|
||
|
|
nodeStream
|
||
|
|
>> tag
|
||
|
|
>> c >> nodei
|
||
|
|
>> c >> node.x()
|
||
|
|
>> c >> node.y()
|
||
|
|
>> c >> node.z();
|
||
|
|
|
||
|
|
if (nodei > maxNodei) maxNodei = nodei;
|
||
|
|
|
||
|
|
slPointMap.append(nodei);
|
||
|
|
slPoints.append(node);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
{element}{label}{cspace}{label}{cspace}{label}{cspace}{label}{cspace}{label}{cspace}{label}{cspace}{label}{cspace}{label}{cspace}{label}{space}\n {
|
||
|
|
IStringStream elementStream(YYText());
|
||
|
|
char tag, c;
|
||
|
|
label celli;
|
||
|
|
elementStream
|
||
|
|
>> tag >> tag
|
||
|
|
>> c >> celli
|
||
|
|
>> c >> labels[0]
|
||
|
|
>> c >> labels[1]
|
||
|
|
>> c >> labels[2]
|
||
|
|
>> c >> labels[3]
|
||
|
|
>> c >> labels[4]
|
||
|
|
>> c >> labels[5]
|
||
|
|
>> c >> labels[6]
|
||
|
|
>> c >> labels[7];
|
||
|
|
|
||
|
|
if (celli > maxCelli) maxCelli = celli;
|
||
|
|
|
||
|
|
slCellMap.append(celli);
|
||
|
|
slCellLabels.append(new labelList(labels));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
{bface}{label}{cspace}{label}{cspace}{identifier}{cspace}{integer}{cspace}{value}{space}\n {
|
||
|
|
IStringStream bfaceStream(YYText());
|
||
|
|
char tag, c;
|
||
|
|
label elementi;
|
||
|
|
label facei;
|
||
|
|
scalar indexValue, unknown;
|
||
|
|
bfaceStream
|
||
|
|
>> tag >> tag >> tag
|
||
|
|
>> c >> elementi
|
||
|
|
>> c >> facei
|
||
|
|
>> c >> tag >> tag >> tag >> tag
|
||
|
|
>> c >> unknown
|
||
|
|
>> c >> indexValue;
|
||
|
|
|
||
|
|
label patchi = label(indexValue);
|
||
|
|
|
||
|
|
if (patchi > slPatchCells.size())
|
||
|
|
{
|
||
|
|
slPatchCells.setSize(patchi);
|
||
|
|
|
||
|
|
forAll(slPatchCells, i)
|
||
|
|
{
|
||
|
|
if (!slPatchCells(i))
|
||
|
|
{
|
||
|
|
slPatchCells.set(i, new SLList<label>);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (patchi > slPatchCellFaces.size())
|
||
|
|
{
|
||
|
|
slPatchCellFaces.setSize(patchi);
|
||
|
|
|
||
|
|
forAll(slPatchCells, i)
|
||
|
|
{
|
||
|
|
if (!slPatchCellFaces(i))
|
||
|
|
{
|
||
|
|
slPatchCellFaces.set(i, new SLList<label>);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
slPatchCells[patchi-1].append(elementi);
|
||
|
|
slPatchCellFaces[patchi-1].append(facei);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* ------------------------------------------------------------------------- *\
|
||
|
|
------ Ignore remaining space and \n s. Any other characters are errors.
|
||
|
|
\* ------------------------------------------------------------------------- */
|
||
|
|
|
||
|
|
.|\n {}
|
||
|
|
|
||
|
|
|
||
|
|
/* ------------------------------------------------------------------------- *\
|
||
|
|
------ On EOF return to previous file, if none exists terminate.
|
||
|
|
\* ------------------------------------------------------------------------- */
|
||
|
|
|
||
|
|
<<EOF>> {
|
||
|
|
yyterminate();
|
||
|
|
}
|
||
|
|
%%
|
||
|
|
|
||
|
|
|
||
|
|
#include "fileName.H"
|
||
|
|
#include <fstream>
|
||
|
|
using std::ifstream;
|
||
|
|
|
||
|
|
int main(int argc, char *argv[])
|
||
|
|
{
|
||
|
|
argList::noParallel();
|
||
|
|
argList::validArgs.append("ANSYS input file");
|
||
|
|
argList::validOptions.insert("scale", "scale factor");
|
||
|
|
|
||
|
|
argList args(argc, argv);
|
||
|
|
|
||
|
|
if (!args.check())
|
||
|
|
{
|
||
|
|
FatalError.exit();
|
||
|
|
}
|
||
|
|
|
||
|
|
scalar scaleFactor = 1.0;
|
||
|
|
if (args.options().found("scale"))
|
||
|
|
{
|
||
|
|
scaleFactor = atof(args.options()["scale"].c_str());
|
||
|
|
}
|
||
|
|
|
||
|
|
# include "createTime.H"
|
||
|
|
|
||
|
|
fileName ansysFile(args.additionalArgs()[0]);
|
||
|
|
ifstream ansysStream(ansysFile.c_str());
|
||
|
|
|
||
|
|
if (!ansysStream)
|
||
|
|
{
|
||
|
|
FatalErrorIn("ansysToFoam::main(int argc, char *argv[])")
|
||
|
|
<< args.executable()
|
||
|
|
<< ": file " << ansysFile << " not found"
|
||
|
|
<< exit(FatalError);
|
||
|
|
}
|
||
|
|
|
||
|
|
yyFlexLexer lexer(&ansysStream);
|
||
|
|
while(lexer.yylex() != 0)
|
||
|
|
{}
|
||
|
|
|
||
|
|
Info << "Creating points" << endl;
|
||
|
|
|
||
|
|
pointField points(slPoints.size());
|
||
|
|
|
||
|
|
label i=0;
|
||
|
|
for
|
||
|
|
(
|
||
|
|
SLList<point>::iterator pointIter = slPoints.begin();
|
||
|
|
pointIter != slPoints.end();
|
||
|
|
++pointIter
|
||
|
|
)
|
||
|
|
{
|
||
|
|
// Scale points for the given scale factor
|
||
|
|
points[i++] = scaleFactor*pointIter();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
labelList pointMap(maxNodei+1);
|
||
|
|
|
||
|
|
i=0;
|
||
|
|
for
|
||
|
|
(
|
||
|
|
SLList<label>::iterator pointMapIter = slPointMap.begin();
|
||
|
|
pointMapIter != slPointMap.end();
|
||
|
|
++pointMapIter
|
||
|
|
)
|
||
|
|
{
|
||
|
|
pointMap[pointMapIter()] = i++;
|
||
|
|
}
|
||
|
|
|
||
|
|
Info << "Creating cells" << endl;
|
||
|
|
|
||
|
|
labelList cellMap(maxCelli+1);
|
||
|
|
|
||
|
|
i=0;
|
||
|
|
for
|
||
|
|
(
|
||
|
|
SLList<label>::iterator cellMapIter = slCellMap.begin();
|
||
|
|
cellMapIter != slCellMap.end();
|
||
|
|
++cellMapIter
|
||
|
|
)
|
||
|
|
{
|
||
|
|
cellMap[cellMapIter()] = i++;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
const cellModel& hex = *(cellModeller::lookup("hex"));
|
||
|
|
const cellModel& prism = *(cellModeller::lookup("prism"));
|
||
|
|
const cellModel& pyr = *(cellModeller::lookup("pyr"));
|
||
|
|
const cellModel& tet = *(cellModeller::lookup("tet"));
|
||
|
|
|
||
|
|
labelList labelsHex(8);
|
||
|
|
labelList labelsPrism(6);
|
||
|
|
labelList labelsPyramid(5);
|
||
|
|
labelList labelsTet(4);
|
||
|
|
|
||
|
|
cellShapeList cellShapes(slCellLabels.size());
|
||
|
|
label nCells = 0;
|
||
|
|
|
||
|
|
for
|
||
|
|
(
|
||
|
|
SLPtrList<labelList>::iterator cellIter = slCellLabels.begin();
|
||
|
|
cellIter != slCellLabels.end();
|
||
|
|
++cellIter
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if // Tetrahedron
|
||
|
|
(
|
||
|
|
cellIter()[2] == cellIter()[3]
|
||
|
|
&& cellIter()[4] == cellIter()[5]
|
||
|
|
&& cellIter()[5] == cellIter()[6]
|
||
|
|
&& cellIter()[6] == cellIter()[7]
|
||
|
|
)
|
||
|
|
{
|
||
|
|
labelsTet[0] = pointMap[cellIter()[0] ];
|
||
|
|
labelsTet[1] = pointMap[cellIter()[1] ];
|
||
|
|
labelsTet[2] = pointMap[cellIter()[2] ];
|
||
|
|
labelsTet[3] = pointMap[cellIter()[4] ];
|
||
|
|
|
||
|
|
cellShapes[nCells++] = cellShape(tet, labelsTet);
|
||
|
|
}
|
||
|
|
|
||
|
|
else if // Square-based pyramid
|
||
|
|
(
|
||
|
|
cellIter()[4] == cellIter()[5]
|
||
|
|
&& cellIter()[5] == cellIter()[6]
|
||
|
|
&& cellIter()[6] == cellIter()[7]
|
||
|
|
)
|
||
|
|
{
|
||
|
|
labelsPyramid[0] = pointMap[cellIter()[0] ];
|
||
|
|
labelsPyramid[1] = pointMap[cellIter()[1] ];
|
||
|
|
labelsPyramid[2] = pointMap[cellIter()[2] ];
|
||
|
|
labelsPyramid[3] = pointMap[cellIter()[3] ];
|
||
|
|
labelsPyramid[4] = pointMap[cellIter()[4] ];
|
||
|
|
|
||
|
|
cellShapes[nCells++] = cellShape(pyr, labelsPyramid);
|
||
|
|
}
|
||
|
|
|
||
|
|
else if // Triangular prism
|
||
|
|
(
|
||
|
|
cellIter()[2] == cellIter()[3]
|
||
|
|
&& cellIter()[6] == cellIter()[7]
|
||
|
|
)
|
||
|
|
{
|
||
|
|
labelsPrism[0] = pointMap[cellIter()[0] ];
|
||
|
|
labelsPrism[1] = pointMap[cellIter()[1] ];
|
||
|
|
labelsPrism[2] = pointMap[cellIter()[2] ];
|
||
|
|
labelsPrism[3] = pointMap[cellIter()[4] ];
|
||
|
|
labelsPrism[4] = pointMap[cellIter()[5] ];
|
||
|
|
labelsPrism[5] = pointMap[cellIter()[6] ];
|
||
|
|
|
||
|
|
cellShapes[nCells++] = cellShape(prism, labelsPrism);
|
||
|
|
}
|
||
|
|
|
||
|
|
else // Hex
|
||
|
|
{
|
||
|
|
labelsHex[0] = pointMap[cellIter()[0] ];
|
||
|
|
labelsHex[1] = pointMap[cellIter()[1] ];
|
||
|
|
labelsHex[2] = pointMap[cellIter()[2] ];
|
||
|
|
labelsHex[3] = pointMap[cellIter()[3] ];
|
||
|
|
labelsHex[4] = pointMap[cellIter()[4] ];
|
||
|
|
labelsHex[5] = pointMap[cellIter()[5] ];
|
||
|
|
labelsHex[6] = pointMap[cellIter()[6] ];
|
||
|
|
labelsHex[7] = pointMap[cellIter()[7] ];
|
||
|
|
|
||
|
|
cellShapes[nCells++] = cellShape(hex, labelsHex);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Warning: tet face order has changed between version 1.9.6 and 2.0
|
||
|
|
//
|
||
|
|
label faceIndex[7][6] =
|
||
|
|
{
|
||
|
|
{-1, -1, -1, -1, -1, -1}, // 0
|
||
|
|
{-1, -1, -1, -1, -1, -1}, // 1
|
||
|
|
{-1, -1, -1, -1, -1, -1}, // 2
|
||
|
|
{-1, -1, -1, -1, -1, -1}, // 3
|
||
|
|
{-1, 2, 0, 3, 1, -1}, // tet (version 2.0)
|
||
|
|
{ 0, 4, 3, -1, 2, 1}, // prism
|
||
|
|
{ 4, 2, 1, 3, 0, 5}, // hex
|
||
|
|
};
|
||
|
|
|
||
|
|
Info << "Creating boundary patches" << endl;
|
||
|
|
|
||
|
|
faceListList boundary(slPatchCells.size());
|
||
|
|
wordList patchNames(slPatchCells.size());
|
||
|
|
|
||
|
|
forAll(slPatchCells, patchI)
|
||
|
|
{
|
||
|
|
SLList<face> patchFaces;
|
||
|
|
|
||
|
|
SLList<label>::iterator cellIter(slPatchCells[patchI].begin());
|
||
|
|
SLList<label>::iterator faceIter(slPatchCellFaces[patchI].begin());
|
||
|
|
|
||
|
|
for
|
||
|
|
(
|
||
|
|
;
|
||
|
|
cellIter != slPatchCells[patchI].end()
|
||
|
|
&& faceIter != slPatchCellFaces[patchI].end();
|
||
|
|
++cellIter, ++faceIter
|
||
|
|
)
|
||
|
|
{
|
||
|
|
patchFaces.append
|
||
|
|
(
|
||
|
|
cellShapes[cellMap[cellIter()] ].faces()
|
||
|
|
[
|
||
|
|
faceIndex
|
||
|
|
[cellShapes[cellMap[cellIter()] ].nFaces()]
|
||
|
|
[faceIter()-1]
|
||
|
|
]
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
boundary[patchI] = patchFaces;
|
||
|
|
patchNames[patchI] = word("patch") + name(patchI + 1);
|
||
|
|
Info << "Patch " << patchI << " named " << patchNames[patchI]
|
||
|
|
<< ": " << boundary[patchI].size() << " faces" << endl;
|
||
|
|
}
|
||
|
|
|
||
|
|
Info << "ansysToFoam: " << endl
|
||
|
|
<< "Ansys file format does not provide information about the type of "
|
||
|
|
<< "the patch (eg. wall, symmetry plane, cyclic etc)." << endl
|
||
|
|
<< "All the patches have been created "
|
||
|
|
<< "as type patch. Please reset after mesh conversion as necessary."
|
||
|
|
<< endl;
|
||
|
|
|
||
|
|
wordList patchTypes(boundary.size(), polyPatch::typeName);
|
||
|
|
word defaultFacesName = "defaultFaces";
|
||
|
|
word defaultFacesType = emptyPolyPatch::typeName;
|
||
|
|
wordList patchPhysicalTypes(boundary.size());
|
||
|
|
|
||
|
|
preservePatchTypes
|
||
|
|
(
|
||
|
|
runTime,
|
||
|
|
runTime.constant(),
|
||
|
|
polyMesh::defaultRegion,
|
||
|
|
patchNames,
|
||
|
|
patchTypes,
|
||
|
|
defaultFacesName,
|
||
|
|
defaultFacesType,
|
||
|
|
patchPhysicalTypes
|
||
|
|
);
|
||
|
|
|
||
|
|
polyMesh pShapeMesh
|
||
|
|
(
|
||
|
|
IOobject
|
||
|
|
(
|
||
|
|
polyMesh::defaultRegion,
|
||
|
|
runTime.constant(),
|
||
|
|
runTime
|
||
|
|
),
|
||
|
|
points,
|
||
|
|
cellShapes,
|
||
|
|
boundary,
|
||
|
|
patchNames,
|
||
|
|
patchTypes,
|
||
|
|
defaultFacesName,
|
||
|
|
defaultFacesType,
|
||
|
|
patchPhysicalTypes
|
||
|
|
);
|
||
|
|
|
||
|
|
// Set the precision of the points data to 10
|
||
|
|
IOstream::defaultPrecision(10);
|
||
|
|
|
||
|
|
Info << "Writing polyMesh" << endl;
|
||
|
|
pShapeMesh.write();
|
||
|
|
|
||
|
|
Info<< nl << "end" << endl;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* ------------------------------------------------------------------------- *\
|
||
|
|
------ End of ansysToFoam.L
|
||
|
|
\* ------------------------------------------------------------------------- */
|