void Foam::fvMesh::makeSf() const
{
if (debug)
{
InfoInFunction << "Assembling face areas" << endl;
}
// It is an error to attempt to recalculate
// if the pointer is already set
if (SfPtr_)
{
FatalErrorInFunction
<< "face areas already exist"
<< abort(FatalError);
}
SfPtr_ = new slicedSurfaceVectorField
(
IOobject
(
"S",
pointsInstance(),
meshSubDir,
*this,
IOobject::NO_READ,
IOobject::NO_WRITE,
false
),
*this,
dimArea,
faceAreas()
);
}
void Foam::processorCyclicPolyPatch::calcGeometry(PstreamBuffers& pBufs)
{
// Receive and initialise processorPolyPatch data
processorPolyPatch::calcGeometry(pBufs);
if (Pstream::parRun())
{
// Where do we store the calculated transformation?
// - on the processor patch?
// - on the underlying cyclic patch?
// - or do we not auto-calculate the transformation but
// have option of reading it.
// Update underlying cyclic halves. Need to do both since only one
// half might be present as a processorCyclic.
coupledPolyPatch& pp = const_cast<coupledPolyPatch&>(referPatch());
pp.calcGeometry
(
*this,
faceCentres(),
faceAreas(),
faceCellCentres(),
neighbFaceCentres(),
neighbFaceAreas(),
neighbFaceCellCentres()
);
if (isA<cyclicPolyPatch>(pp))
{
const cyclicPolyPatch& cpp = refCast<const cyclicPolyPatch>(pp);
const_cast<cyclicPolyPatch&>(cpp.neighbPatch()).calcGeometry
(
*this,
neighbFaceCentres(),
neighbFaceAreas(),
neighbFaceCellCentres(),
faceCentres(),
faceAreas(),
faceCellCentres()
);
}
}
}
void Foam::processorPolyPatch::initGeometry(PstreamBuffers& pBufs)
{
if (Pstream::parRun())
{
UOPstream toNeighbProc(neighbProcNo(), pBufs);
toNeighbProc
<< faceCentres()
<< faceAreas()
<< faceCellCentres();
}
}
void Foam::cyclicACMIPolyPatch::initPatchFaceAreas() const
{
if (!empty() && faceAreas0_.empty())
{
faceAreas0_ = faceAreas();
}
const cyclicACMIPolyPatch& nbrACMI =
refCast<const cyclicACMIPolyPatch>(this->neighbPatch());
if (!nbrACMI.empty() && nbrACMI.faceAreas0().empty())
{
nbrACMI.initPatchFaceAreas();
}
}
void Foam::processorPolyPatch::initGeometry()
{
if (Pstream::parRun())
{
OPstream toNeighbProc
(
Pstream::blocking,
neighbProcNo(),
3*(sizeof(label) + size()*sizeof(vector) + sizeof(scalar))
);
toNeighbProc
<< faceCentres()
<< faceAreas()
<< faceCellCentres();
}
}
// Is the point in the cell
bool Foam::primitiveMesh::pointInCell(const point& p, label celli) const
{
const labelList& f = cells()[celli];
const labelList& owner = this->faceOwner();
const vectorField& cf = faceCentres();
const vectorField& Sf = faceAreas();
bool inCell = true;
forAll(f, facei)
{
label nFace = f[facei];
vector proj = p - cf[nFace];
vector normal = Sf[nFace];
if (owner[nFace] != celli)
{
normal = -normal;
}
inCell = inCell && ((normal & proj) <= 0);
}
void Foam::cyclicACMIPolyPatch::resetAMI
(
const AMIPatchToPatchInterpolation::interpolationMethod&
) const
{
if (owner())
{
const polyPatch& nonOverlapPatch = this->nonOverlapPatch();
initPatchFaceAreas();
// reset patch face areas based on original patch for AMI calculation
vectorField::subField Sf = faceAreas();
vectorField::subField noSf = nonOverlapPatch.faceAreas();
forAll(Sf, faceI)
{
Sf[faceI] = faceAreas0_[faceI];
noSf[faceI] = faceAreas0_[faceI];
}
// calculate the AMI using partial face-area-weighted
cyclicAMIPolyPatch::resetAMI
(
AMIPatchToPatchInterpolation::imPartialFaceAreaWeight
);
srcMask_ =
min(scalar(1) - tolerance_, max(tolerance_, AMI().srcWeightsSum()));
tgtMask_ =
min(scalar(1) - tolerance_, max(tolerance_, AMI().tgtWeightsSum()));
forAll(Sf, faceI)
{
Sf[faceI] *= srcMask_[faceI];
noSf[faceI] *= 1.0 - srcMask_[faceI];
}
void Foam::primitiveMesh::calcCellCentresAndVols() const
{
if (debug)
{
Pout<< "primitiveMesh::calcCellCentresAndVols() : "
<< "Calculating cell centres and cell volumes"
<< endl;
}
// It is an error to attempt to recalculate cellCentres
// if the pointer is already set
if (cellCentresPtr_ || cellVolumesPtr_)
{
FatalErrorIn("primitiveMesh::calcCellCentresAndVols() const")
<< "Cell centres or cell volumes already calculated"
<< abort(FatalError);
}
// set the accumulated cell centre to zero vector
cellCentresPtr_ = new vectorField(nCells());
vectorField& cellCtrs = *cellCentresPtr_;
// Initialise cell volumes to 0
cellVolumesPtr_ = new scalarField(nCells());
scalarField& cellVols = *cellVolumesPtr_;
// Make centres and volumes
makeCellCentresAndVols(faceCentres(), faceAreas(), cellCtrs, cellVols);
if (debug)
{
Pout<< "primitiveMesh::calcCellCentresAndVols() : "
<< "Finished calculating cell centres and cell volumes"
<< endl;
}
}
void Foam::layerAR::addZonesAndModifiers()
{
// Add the zones and mesh modifiers to operate piston motion
if
(
pointZones().size() > 0
|| faceZones().size() > 0
|| cellZones().size() > 0
)
{
Info<< "void layerAR::addZonesAndModifiers() : "
<< "Zones and modifiers already present. Skipping."
<< endl;
if (topoChanger_.size() == 0)
{
FatalErrorIn
(
"void layerAR::addZonesAndModifiers()"
) << "Mesh modifiers not read properly"
<< abort(FatalError);
}
setVirtualPistonPosition();
checkAndCalculate();
return;
}
checkAndCalculate();
Info<< "Time = " << engTime().theta() << endl
<< "Adding zones to the engine mesh" << endl;
//fz = 1: faces where layer are added/removed
//pz = 2: points below the virtual piston faces and head points
List<pointZone*> pz(2);
List<faceZone*> fz(1);
List<cellZone*> cz(0);
label nPointZones = 0;
label nFaceZones = 0;
// Add the piston zone
if (piston().patchID().active() && offSet() > SMALL)
{
// Piston position
label pistonPatchID = piston().patchID().index();
scalar zPist = max(boundary()[pistonPatchID].patch().localPoints()).z();
scalar zPistV = zPist + offSet();
labelList zone1(faceCentres().size());
boolList flipZone1(faceCentres().size(), false);
label nZoneFaces1 = 0;
bool foundAtLeastOne = false;
scalar zHigher = GREAT;
scalar dh = GREAT;
scalar dl = GREAT;
forAll (faceCentres(), faceI)
{
scalar zc = faceCentres()[faceI].z();
vector n = faceAreas()[faceI]/mag(faceAreas()[faceI]);
scalar dd = n & vector(0,0,1);
if (dd > 0.1)
{
if (zPistV - zc > 0 && zPistV - zc < dl)
{
dl = zPistV - zc;
}
if (zc - zPistV > 0 && zc - zPistV < dh)
{
zHigher = zc;
dh = zc - zHigher;
}
if
(
zc > zPistV - delta()
&& zc < zPistV + delta()
)
{
foundAtLeastOne = true;
if ((faceAreas()[faceI] & vector(0,0,1)) < 0)
{
flipZone1[nZoneFaces1] = true;
}
zone1[nZoneFaces1] = faceI;
nZoneFaces1++;
}
}
}
void Foam::simpleTwoStroke::addZonesAndModifiers()
{
// Add the zones and mesh modifiers to operate piston motion
if
(
pointZones().size() > 0
|| faceZones().size() > 0
|| cellZones().size() > 0
)
{
Info<< "Time = " << engTime().theta() << endl;
Info<< "void simpleTwoStroke::addZonesAndModifiers() : "
<< "Zones and modifiers already present. Skipping."
<< endl;
if (topoChanger_.size() == 0)
{
FatalErrorIn
(
"void simpleTwoStroke::addZonesAndModifiers()"
) << "Mesh modifiers not read properly"
<< abort(FatalError);
}
setVirtualPistonPosition();
checkAndCalculate();
return;
}
Info << "checkAndCalculate()" << endl;
checkAndCalculate();
Info<< "Time = " << engTime().theta() << endl
<< "Adding zones to the engine mesh" << endl;
//fz = 4: virtual piston, outSidePort, insidePort, cutFaceZone
//pz = 2: piston points, cutPointZone
//cz = 1: moving mask
List<pointZone*> pz(3);
List<faceZone*> fz(4);
List<cellZone*> cz(1);
label nPointZones = 0;
label nFaceZones = 0;
label nCellZones = 0;
// Add the piston zone
if (piston().patchID().active())
{
// Piston position
Info << "Adding face zone for piston layer addition/removal" << endl;
label pistonPatchID = piston().patchID().index();
scalar zPist =
max(boundary()[pistonPatchID].patch().localPoints()).z();
scalar zPistV = zPist + offSet();
labelList zone1(faceCentres().size());
boolList flipZone1(faceCentres().size(), false);
label nZoneFaces1 = 0;
bool foundAtLeastOne = false;
scalar zHigher = GREAT;
scalar dh = GREAT;
scalar dl = GREAT;
forAll (faceCentres(), faceI)
{
// The points have to be in the cylinder and not in the ports....
scalar zc = faceCentres()[faceI].z();
scalar xc = faceCentres()[faceI].x();
scalar yc = faceCentres()[faceI].y();
vector n = faceAreas()[faceI]/mag(faceAreas()[faceI]);
scalar dd = n & vector(0,0,1);
if(sqrt(sqr(xc)+sqr(yc)) < 0.5 * engTime().bore().value())
{
if (dd > 0.1)
{
if (zPistV - zc > 0 && zPistV - zc < dl)
{
dl = zPistV - zc;
}
if (zc - zPistV > 0 && zc - zPistV < dh)
{
zHigher = zc;
dh = zc - zHigher;
}
if
(
zc > zPistV - delta()
&& zc < zPistV + delta()
)
{
foundAtLeastOne = true;
if ((faceAreas()[faceI] & vector(0,0,1)) < 0)
{
flipZone1[nZoneFaces1] = true;
}
zone1[nZoneFaces1] = faceI;
nZoneFaces1++;
}
}
}
}
void Foam::processorPolyPatch::calcGeometry(PstreamBuffers& pBufs)
{
if (Pstream::parRun())
{
{
UIPstream fromNeighbProc(neighbProcNo(), pBufs);
fromNeighbProc
>> neighbFaceCentres_
>> neighbFaceAreas_
>> neighbFaceCellCentres_;
}
// My normals
vectorField faceNormals(size());
// Neighbour normals
vectorField nbrFaceNormals(neighbFaceAreas_.size());
// Face match tolerances
scalarField tols =
calcFaceTol(*this, points(), faceCentres());
// Calculate normals from areas and check
forAll(faceNormals, facei)
{
scalar magSf = mag(faceAreas()[facei]);
scalar nbrMagSf = mag(neighbFaceAreas_[facei]);
scalar avSf = (magSf + nbrMagSf)/2.0;
if (magSf < ROOTVSMALL && nbrMagSf < ROOTVSMALL)
{
// Undetermined normal. Use dummy normal to force separation
// check. (note use of sqrt(VSMALL) since that is how mag
// scales)
faceNormals[facei] = point(1, 0, 0);
nbrFaceNormals[facei] = faceNormals[facei];
}
else if (mag(magSf - nbrMagSf) > matchTolerance()*sqr(tols[facei]))
{
fileName nm
(
boundaryMesh().mesh().time().path()
/name()+"_faces.obj"
);
Pout<< "processorPolyPatch::calcGeometry : Writing my "
<< size()
<< " faces to OBJ file " << nm << endl;
writeOBJ(nm, *this, points());
OFstream ccStr
(
boundaryMesh().mesh().time().path()
/name() + "_faceCentresConnections.obj"
);
Pout<< "processorPolyPatch::calcGeometry :"
<< " Dumping cell centre lines between"
<< " corresponding face centres to OBJ file" << ccStr.name()
<< endl;
label vertI = 0;
forAll(faceCentres(), faceI)
{
const point& c0 = neighbFaceCentres_[faceI];
const point& c1 = faceCentres()[faceI];
writeOBJ(ccStr, c0, c1, vertI);
}
FatalErrorIn
(
"processorPolyPatch::calcGeometry()"
) << "face " << facei << " area does not match neighbour by "
<< 100*mag(magSf - nbrMagSf)/avSf
<< "% -- possible face ordering problem." << endl
<< "patch:" << name()
<< " my area:" << magSf
<< " neighbour area:" << nbrMagSf
<< " matching tolerance:"
<< matchTolerance()*sqr(tols[facei])
<< endl
<< "Mesh face:" << start()+facei
<< " vertices:"
<< UIndirectList<point>(points(), operator[](facei))()
<< endl
<< "If you are certain your matching is correct"
<< " you can increase the 'matchTolerance' setting"
<< " in the patch dictionary in the boundary file."
<< endl
<< "Rerun with processor debug flag set for"
<< " more information." << exit(FatalError);
}
else
{
<< matchTolerance()*sqr(tols[facei])
<< endl
<< "Mesh face:" << start()+facei
<< " vertices:"
<< UIndirectList<point>(points(), operator[](facei))()
<< endl
<< "If you are certain your matching is correct"
<< " you can increase the 'matchTolerance' setting"
<< " in the patch dictionary in the boundary file."
<< endl
<< "Rerun with processor debug flag set for"
<< " more information." << exit(FatalError);
}
else
{
faceNormals[facei] = faceAreas()[facei]/magSf;
nbrFaceNormals[facei] = neighbFaceAreas_[facei]/nbrMagSf;
}
}
calcTransformTensors
(
faceCentres(),
neighbFaceCentres_,
faceNormals,
nbrFaceNormals,
matchTolerance()*tols,
matchTolerance()
);
}
}
void Foam::processorPolyPatch::calcGeometry()
{
if (Pstream::parRun())
{
{
IPstream fromNeighbProc
(
Pstream::blocking,
neighbProcNo(),
3*(sizeof(label) + size()*sizeof(vector) + sizeof(scalar))
);
fromNeighbProc
>> neighbFaceCentres_
>> neighbFaceAreas_
>> neighbFaceCellCentres_;
}
// My normals
vectorField faceNormals(size());
// Neighbour normals
vectorField nbrFaceNormals(neighbFaceAreas_.size());
// Calculate normals from areas and check
// Cache face areas
const vectorField::subField localFaceAreas = faceAreas();
forAll (faceNormals, facei)
{
scalar magSf = mag(localFaceAreas[facei]);
scalar nbrMagSf = mag(neighbFaceAreas_[facei]);
scalar avSf = (magSf + nbrMagSf)/2.0;
if (magSf < ROOTVSMALL && nbrMagSf < ROOTVSMALL)
{
// Undetermined normal. Use dummy normal to force separation
// check. (note use of sqrt(VSMALL) since that is how mag
// scales)
faceNormals[facei] = point(1, 0, 0);
nbrFaceNormals[facei] = faceNormals[facei];
}
else if (mag(magSf - nbrMagSf)/avSf > polyPatch::matchTol_)
{
FatalErrorIn
(
"processorPolyPatch::calcGeometry()"
) << "face " << facei << " area does not match neighbour by "
<< 100*mag(magSf - nbrMagSf)/avSf
<< "% -- possible face ordering problem." << endl
<< "patch: " << name()
<< " my area:" << magSf
<< " neighbour area: " << nbrMagSf
<< " matching tolerance: " << polyPatch::matchTol_
<< endl
<< "Mesh face: " << start()+facei
<< " vertices: "
<< UIndirectList<point>(points(), operator[](facei))()
<< endl
<< "Rerun with processor debug flag set for"
<< " more information." << exit(FatalError);
}
else
{
faceNormals[facei] = localFaceAreas[facei]/magSf;
nbrFaceNormals[facei] = neighbFaceAreas_[facei]/nbrMagSf;
}
}
calcTransformTensors
(
faceCentres(),
neighbFaceCentres_,
faceNormals,
nbrFaceNormals,
calcFaceTol(*this, points(), faceCentres())
);
}
void testFaceAreas(Pooma::Tester &tester, const Field &f)
{
tester.out() << faceAreas(f) << std::endl;
}
void Foam::movingConeTopoFvMesh::addZonesAndModifiers()
{
// Add zones and modifiers for motion action
if
(
pointZones().size()
|| faceZones().size()
|| cellZones().size()
|| topoChanger_.size()
)
{
Info<< "void movingConeTopoFvMesh::addZonesAndModifiers() : "
<< "Zones and modifiers already present. Skipping."
<< endl;
return;
}
Info<< "Time = " << time().timeName() << endl
<< "Adding zones and modifiers to the mesh" << endl;
const vectorField& fc = faceCentres();
const vectorField& fa = faceAreas();
labelList zone1(fc.size());
boolList flipZone1(fc.size(), false);
label nZoneFaces1 = 0;
labelList zone2(fc.size());
boolList flipZone2(fc.size(), false);
label nZoneFaces2 = 0;
forAll(fc, faceI)
{
if
(
fc[faceI].x() > -0.003501
&& fc[faceI].x() < -0.003499
)
{
if ((fa[faceI] & vector(1, 0, 0)) < 0)
{
flipZone1[nZoneFaces1] = true;
}
zone1[nZoneFaces1] = faceI;
Info<< "face " << faceI << " for zone 1. Flip: "
<< flipZone1[nZoneFaces1] << endl;
nZoneFaces1++;
}
else if
(
fc[faceI].x() > -0.00701
&& fc[faceI].x() < -0.00699
)
{
zone2[nZoneFaces2] = faceI;
if ((fa[faceI] & vector(1, 0, 0)) > 0)
{
flipZone2[nZoneFaces2] = true;
}
Info<< "face " << faceI << " for zone 2. Flip: "
<< flipZone2[nZoneFaces2] << endl;
nZoneFaces2++;
}
}
zone1.setSize(nZoneFaces1);
flipZone1.setSize(nZoneFaces1);
zone2.setSize(nZoneFaces2);
flipZone2.setSize(nZoneFaces2);
Info<< "zone: " << zone1 << endl;
Info<< "zone: " << zone2 << endl;
List<pointZone*> pz(0);
List<faceZone*> fz(2);
List<cellZone*> cz(0);
label nFz = 0;
fz[nFz] =
new faceZone
(
"rightExtrusionFaces",
zone1,
flipZone1,
nFz,
faceZones()
);
nFz++;
fz[nFz] =
new faceZone
(
"leftExtrusionFaces",
zone2,
flipZone2,
nFz,
faceZones()
);
nFz++;
fz.setSize(nFz);
Info<< "Adding mesh zones." << endl;
addZones(pz, fz, cz);
// Add layer addition/removal interfaces
List<polyMeshModifier*> tm(2);
label nMods = 0;
tm[nMods] =
new layerAdditionRemoval
(
"right",
nMods,
topoChanger_,
"rightExtrusionFaces",
readScalar
(
motionDict_.subDict("right").lookup("minThickness")
),
readScalar
(
motionDict_.subDict("right").lookup("maxThickness")
)
);
nMods++;
tm[nMods] = new layerAdditionRemoval
(
"left",
nMods,
topoChanger_,
"leftExtrusionFaces",
readScalar
(
motionDict_.subDict("left").lookup("minThickness")
),
readScalar
(
motionDict_.subDict("left").lookup("maxThickness")
)
);
nMods++;
tm.setSize(nMods);
Info<< "Adding " << nMods << " mesh modifiers" << endl;
topoChanger_.addTopologyModifiers(tm);
write();
}
