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Merge branch 'cvm' of /home/noisy3/OpenFOAM/OpenFOAM-dev into cvm

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This commit is contained in:
mattijs
2011-06-17 17:25:15 +01:00
parent ba34ff418c 5a5f27a6b6
commit 681dea8145
21 changed files with 745 additions and 1064 deletions
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2
etc/controlDict
View File

@ -302,6 +302,7 @@ DebugSwitches
ash 0;
atomizationModel 0;
attachDetach 0;
autoDensity 0;
autoHexMeshDriver 0;
autoLayerDriver 0;
autoRefineDriver 0;
@ -530,7 +531,6 @@ DebugSwitches
hhuMixtureThermo<veryInhomogeneousMixture<constTransport<specieThermo<hConstThermo<perfectGas>>>>> 0;
hhuMixtureThermo<veryInhomogeneousMixture<sutherlandTransport<specieThermo<janafThermo<perfectGas>>>>> 0;
hierarchical 0;
hierarchicalDensityWeightedStochastic 0;
hollowConeInjector 0;
iC3H8O 0;
indexedOctree 0;

3
src/mesh/conformalVoronoiMesh/Make/files
View File

@ -27,8 +27,7 @@ initialPointsMethod/uniformGrid/uniformGrid.C
initialPointsMethod/bodyCentredCubic/bodyCentredCubic.C
initialPointsMethod/faceCentredCubic/faceCentredCubic.C
initialPointsMethod/pointFile/pointFile.C
initialPointsMethod/densityWeightedStochastic/densityWeightedStochastic.C
initialPointsMethod/hierarchicalDensityWeightedStochastic/hierarchicalDensityWeightedStochastic.C
initialPointsMethod/autoDensity/autoDensity.C
relaxationModel/relaxationModel/relaxationModel.C
relaxationModel/adaptiveLinear/adaptiveLinear.C

18
src/mesh/conformalVoronoiMesh/backgroundMeshDecomposition/backgroundMeshDecomposition.C
View File

@ -989,11 +989,11 @@ Foam::backgroundMeshDecomposition::distribute
if (newCellI == -1)
{
Pout<< "findCell backgroundMeshDecomposition "
<< v << " "
<< oldCellI
<< newCellI
<< " find nearest cellI ";
// Pout<< "findCell backgroundMeshDecomposition "
// << v << " "
// << oldCellI
// << newCellI
// << " find nearest cellI ";
newCellI = cellSearch.findNearestCell(v);
@ -1150,6 +1150,14 @@ Foam::boolList Foam::backgroundMeshDecomposition::positionOnThisProcessor
return posProc;
}
bool Foam::backgroundMeshDecomposition::overlapsThisProcessor
(
const treeBoundBox& box
) const
{
return !bFTreePtr_().findBox(box).empty();
}
Foam::pointIndexHit Foam::backgroundMeshDecomposition::findLine
(

4
src/mesh/conformalVoronoiMesh/backgroundMeshDecomposition/backgroundMeshDecomposition.H
View File

@ -225,6 +225,10 @@ public:
//- Are the given positions inside the domain of this decomposition
boolList positionOnThisProcessor(const List<point>& pts) const;
//- Does the given box overlap the faces of the bounday of this
// processor
bool overlapsThisProcessor(const treeBoundBox& box) const;
//- Find nearest intersection of line between start and end, (exposing
// underlying indexedOctree)
pointIndexHit findLine

15
src/mesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMesh.C
View File

@ -1331,12 +1331,13 @@ bool Foam::conformalVoronoiMesh::distributeBackground()
if (cellI == -1)
{
Pout<< "findCell conformalVoronoiMesh::distribute findCell "
<< vit->type() << " "
<< vit->index() << " "
<< v << " "
<< cellI
<< " find nearest cellI ";
// Pout<< "findCell conformalVoronoiMesh::distribute "
// << "findCell "
// << vit->type() << " "
// << vit->index() << " "
// << v << " "
// << cellI
// << " find nearest cellI ";
cellI = cellSearch.findNearestCell(v);
@ -1916,7 +1917,7 @@ Foam::conformalVoronoiMesh::conformalVoronoiMesh
// Report any Delaunay vertices that do not think that they are in the
// domain the processor they are on.
reportProcessorOccupancy();
// reportProcessorOccupancy();
if(cvMeshControls().objOutput())
{

11
src/mesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshI.H
View File

@ -472,6 +472,17 @@ Foam::conformalVoronoiMesh::geometryToConformTo() const
inline const Foam::backgroundMeshDecomposition&
Foam::conformalVoronoiMesh::decomposition() const
{
if (!Pstream::parRun())
{
FatalErrorIn
(
"inline const Foam::backgroundMeshDecomposition& "
"Foam::conformalVoronoiMesh::decomposition() const"
)
<< "The backgroundMeshDecomposition cannot be asked for in serial."
<< exit(FatalError) << endl;
}
return decomposition_();
}

370
src/mesh/conformalVoronoiMesh/initialPointsMethod/hierarchicalDensityWeightedStochastic/hierarchicalDensityWeightedStochastic.C → src/mesh/conformalVoronoiMesh/initialPointsMethod/autoDensity/autoDensity.C
View File

@ -23,7 +23,7 @@ License
\*---------------------------------------------------------------------------*/
#include "hierarchicalDensityWeightedStochastic.H"
#include "autoDensity.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@ -33,17 +33,17 @@ namespace Foam
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
defineTypeNameAndDebug(hierarchicalDensityWeightedStochastic, 0);
defineTypeNameAndDebug(autoDensity, 0);
addToRunTimeSelectionTable
(
initialPointsMethod,
hierarchicalDensityWeightedStochastic,
autoDensity,
dictionary
);
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void Foam::hierarchicalDensityWeightedStochastic::writeOBJ
void Foam::autoDensity::writeOBJ
(
const treeBoundBox& bb,
fileName name
@ -68,8 +68,114 @@ void Foam::hierarchicalDensityWeightedStochastic::writeOBJ
}
}
bool Foam::autoDensity::combinedOverlaps(const treeBoundBox& box) const
{
if (Pstream::parRun())
{
return
cvMesh_.decomposition().overlapsThisProcessor(box)
|| cvMesh_.geometryToConformTo().overlaps(box);
}
void Foam::hierarchicalDensityWeightedStochastic::recurseAndFill
return cvMesh_.geometryToConformTo().overlaps(box);
}
bool Foam::autoDensity::combinedInside(const point& p) const
{
if (Pstream::parRun())
{
return
cvMesh_.decomposition().positionOnThisProcessor(p)
&& cvMesh_.geometryToConformTo().inside(p);
}
return cvMesh_.geometryToConformTo().inside(p);
}
Foam::Field<bool> Foam::autoDensity::combinedWellInside
(
const pointField& pts,
const scalarField& sizes
) const
{
if (!Pstream::parRun())
{
return cvMesh_.geometryToConformTo().wellInside
(
pts,
minimumSurfaceDistanceCoeffSqr_*sqr(sizes)
);
}
Field<bool> inside(pts.size(), true);
// Perform AND operation between testing the surfaces and the previous
// field, i.e the parallel result, or in serial, with true.
Field<bool> insideA
(
cvMesh_.geometryToConformTo().wellInside
(
pts,
minimumSurfaceDistanceCoeffSqr_*sqr(sizes)
)
);
Field<bool> insideB(cvMesh_.decomposition().positionOnThisProcessor(pts));
// inside = insideA && insideB;
// Pout<< insideA << nl << insideB << endl;
forAll(inside, i)
{
// if (inside[i] != (insideA[i] && insideB[i]))
// {
// Pout<< i << " not equal " << " "
// << pts[i] << " " << sizes[i] << " "
// << insideA[i] << " "
// << insideB[i] << " "
// << inside[i]
// << endl;
// }
inside[i] = (insideA[i] && insideB[i]);
}
return inside;
}
bool Foam::autoDensity::combinedWellInside
(
const point& p,
scalar size
) const
{
bool inside = true;
if (Pstream::parRun())
{
inside = cvMesh_.decomposition().positionOnThisProcessor(p);
}
// Perform AND operation between testing the surfaces and the previous
// result, i.e the parallel result, or in serial, with true.
inside =
inside
&& cvMesh_.geometryToConformTo().wellInside
(
p,
minimumSurfaceDistanceCoeffSqr_*sqr(size)
);
return inside;
}
void Foam::autoDensity::recurseAndFill
(
std::list<Vb::Point>& initialPoints,
const treeBoundBox& bb,
@ -77,8 +183,6 @@ void Foam::hierarchicalDensityWeightedStochastic::recurseAndFill
word recursionName
) const
{
const conformationSurfaces& geometry = cvMesh_.geometryToConformTo();
for (direction i = 0; i < 8; i++)
{
treeBoundBox subBB = bb.subBbox(i);
@ -90,7 +194,7 @@ void Foam::hierarchicalDensityWeightedStochastic::recurseAndFill
cvMesh_.timeCheck(newName);
}
if (geometry.overlaps(subBB))
if (combinedOverlaps(subBB))
{
if (levelLimit > 0)
{
@ -104,14 +208,14 @@ void Foam::hierarchicalDensityWeightedStochastic::recurseAndFill
}
else
{
// writeOBJ
// (
// subBB,
// word(newName + "_overlap")
// );
if (debug)
{
writeOBJ
(
subBB,
word(newName + "_overlap")
);
Pout<< newName + "_overlap " << subBB << endl;
}
@ -127,16 +231,16 @@ void Foam::hierarchicalDensityWeightedStochastic::recurseAndFill
}
}
}
else if (geometry.inside(subBB.midpoint()))
else if (combinedInside(subBB.midpoint()))
{
// writeOBJ
// (
// subBB,
// newName + "_inside"
// );
if (debug)
{
writeOBJ
(
subBB,
newName + "_inside"
);
Pout<< newName + "_inside " << subBB << endl;
}
@ -153,24 +257,27 @@ void Foam::hierarchicalDensityWeightedStochastic::recurseAndFill
}
else
{
// writeOBJ
// (
// subBB,
// newName + "_outside"
// );
if (debug)
{
writeOBJ
(
subBB,
newName + "_outside"
);
}
}
}
}
bool Foam::hierarchicalDensityWeightedStochastic::fillBox
bool Foam::autoDensity::fillBox
(
std::list<Vb::Point>& initialPoints,
const treeBoundBox& bb,
bool overlapping
) const
{
const conformationSurfaces& geometry = cvMesh_.geometryToConformTo();
const conformationSurfaces& geometry(cvMesh_.geometryToConformTo());
Random& rnd = cvMesh_.rndGen();
@ -214,7 +321,10 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
if (!surfHit.hit())
{
// Pout<< "box wellInside, no need to sample surface." << endl;
if (debug)
{
Pout<< "box wellInside, no need to sample surface." << endl;
}
wellInside = true;
}
@ -235,11 +345,7 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
List<bool>(8, false)
);
Field<bool> insideCorners = geometry.wellInside
(
corners,
minimumSurfaceDistanceCoeffSqr_*sqr(cornerSizes)
);
Field<bool> insideCorners = combinedWellInside(corners, cornerSizes);
// Pout<< corners << nl << cornerSizes << nl << insideCorners << endl;
@ -260,11 +366,14 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
if (maxCellSize/minCellSize > maxSizeRatio_)
{
// Pout<< "Abort fill at corner sample stage,"
// << " minCellSize " << minCellSize
// << " maxCellSize " << maxCellSize
// << " maxSizeRatio " << maxCellSize/minCellSize
// << endl;
if (debug)
{
Pout<< "Abort fill at corner sample stage,"
<< " minCellSize " << minCellSize
<< " maxCellSize " << maxCellSize
<< " maxSizeRatio " << maxCellSize/minCellSize
<< endl;
}
return false;
}
@ -274,9 +383,12 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
// If one or more corners is not "wellInside", then treat this
// as an overlapping box.
// Pout<< "Inside box found to have some non-wellInside "
// << "corners, using overlapping fill."
// << endl;
if (debug)
{
Pout<< "Inside box found to have some non-wellInside "
<< "corners, using overlapping fill."
<< endl;
}
overlapping = true;
@ -294,8 +406,6 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
scalarField lineSizes(nLine, 0.0);
Field<bool> insideLines(nLine, true);
for (label i = 0; i < surfRes_; i++)
{
label lPI = 0;
@ -348,10 +458,10 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
List<bool>(nLine, false)
);
insideLines = geometry.wellInside
Field<bool> insideLines = combinedWellInside
(
linePoints,
minimumSurfaceDistanceCoeffSqr_*sqr(lineSizes)
lineSizes
);
forAll(insideLines, i)
@ -371,11 +481,14 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
if (maxCellSize/minCellSize > maxSizeRatio_)
{
// Pout<< "Abort fill at surface sample stage, "
// << " minCellSize " << minCellSize
// << " maxCellSize " << maxCellSize
// << " maxSizeRatio " << maxCellSize/minCellSize
// << endl;
if (debug)
{
Pout<< "Abort fill at surface sample stage, "
<< " minCellSize " << minCellSize
<< " maxCellSize " << maxCellSize
<< " maxSizeRatio " << maxCellSize/minCellSize
<< endl;
}
return false;
}
@ -386,10 +499,13 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
// then treat this as an overlapping box.
overlapping = true;
// Pout<< "Inside box found to have some non-"
// << "wellInside surface points, using "
// << "overlapping fill."
// << endl;
if (debug)
{
Pout<< "Inside box found to have some non-"
<< "wellInside surface points, using "
<< "overlapping fill."
<< endl;
}
break;
}
@ -445,10 +561,10 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
List<bool>(samplePoints.size(), false)
);
Field<bool> insidePoints = geometry.wellInside
Field<bool> insidePoints = combinedWellInside
(
samplePoints,
minimumSurfaceDistanceCoeffSqr_*sqr(sampleSizes)
sampleSizes
);
label nInside = 0;
@ -473,11 +589,14 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
if (maxCellSize/minCellSize > maxSizeRatio_)
{
// Pout<< "Abort fill at sample stage,"
// << " minCellSize " << minCellSize
// << " maxCellSize " << maxCellSize
// << " maxSizeRatio " << maxCellSize/minCellSize
// << endl;
if (debug)
{
Pout<< "Abort fill at sample stage,"
<< " minCellSize " << minCellSize
<< " maxCellSize " << maxCellSize
<< " maxSizeRatio " << maxCellSize/minCellSize
<< endl;
}
return false;
}
@ -486,17 +605,26 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
if (nInside == 0)
{
// Pout<< "No sample points found inside box" << endl;
if (debug)
{
Pout<< "No sample points found inside box" << endl;
}
return true;
}
// Pout<< scalar(nInside)/scalar(samplePoints.size())
// << " full overlapping box" << endl;
if (debug)
{
Pout<< scalar(nInside)/scalar(samplePoints.size())
<< " full overlapping box" << endl;
}
totalVolume *= scalar(nInside)/scalar(samplePoints.size());
// Pout<< "Total volume to fill = " << totalVolume << endl;
if (debug)
{
Pout<< "Total volume to fill = " << totalVolume << endl;
}
// Using the sampledPoints as the first test locations as they are
// randomly shuffled, but unfiormly sampling space and have wellInside
@ -540,12 +668,15 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
scalar r = rnd.scalar01();
// Pout<< "totalVolume " << totalVolume << nl
// << "volumeAdded " << volumeAdded << nl
// << "localVolume " << localVolume << nl
// << "addProbability " << addProbability << nl
// << "random " << r
// << endl;
if (debug)
{
Pout<< "totalVolume " << totalVolume << nl
<< "volumeAdded " << volumeAdded << nl
<< "localVolume " << localVolume << nl
<< "addProbability " << addProbability << nl
<< "random " << r
<< endl;
}
if (addProbability > r)
{
@ -576,9 +707,12 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
if (volumeAdded < totalVolume)
{
// Pout<< "Adding random points, remaining volume "
// << totalVolume - volumeAdded
// << endl;
if (debug)
{
Pout<< "Adding random points, remaining volume "
<< totalVolume - volumeAdded
<< endl;
}
maxDensity = 1/pow3(max(minCellSize, SMALL));
@ -599,11 +733,7 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
else
{
// Determine if the point is "wellInside" the domain
insidePoint = geometry.wellInside
(
p,
minimumSurfaceDistanceCoeffSqr_*sqr(localSize)
);
insidePoint = combinedWellInside(p, localSize);
}
if (insidePoint)
@ -626,11 +756,14 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
if (maxCellSize/minCellSize > maxSizeRatio_)
{
// Pout<< "Abort fill at random fill stage,"
// << " minCellSize " << minCellSize
// << " maxCellSize " << maxCellSize
// << " maxSizeRatio " << maxCellSize/minCellSize
// << endl;
if (debug)
{
Pout<< "Abort fill at random fill stage,"
<< " minCellSize " << minCellSize
<< " maxCellSize " << maxCellSize
<< " maxSizeRatio " << maxCellSize/minCellSize
<< endl;
}
// Discard any points already filled into this box by
// setting size of initialPoints back to its starting value
@ -658,12 +791,15 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
scalar r = rnd.scalar01();
// Pout<< "totalVolume " << totalVolume << nl
// << "volumeAdded " << volumeAdded << nl
// << "localVolume " << localVolume << nl
// << "addProbability " << addProbability << nl
// << "random " << r
// << endl;
if (debug)
{
Pout<< "totalVolume " << totalVolume << nl
<< "volumeAdded " << volumeAdded << nl
<< "localVolume " << localVolume << nl
<< "addProbability " << addProbability << nl
<< "random " << r
<< endl;
}
if (addProbability > r)
{
@ -694,16 +830,19 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
globalTrialPoints_ += trialPoints;
// Pout<< trialPoints
// << " locations queried, " << initialPoints.size() - initialSize
// << " points placed, ("
// << scalar(initialPoints.size() - initialSize)
// /scalar(max(trialPoints, 1))
// << " success rate)." << nl
// << "minCellSize " << minCellSize
// << ", maxCellSize " << maxCellSize
// << ", ratio " << maxCellSize/minCellSize
// << nl << endl;
if (debug)
{
Pout<< trialPoints
<< " locations queried, " << initialPoints.size() - initialSize
<< " points placed, ("
<< scalar(initialPoints.size() - initialSize)
/scalar(max(trialPoints, 1))
<< " success rate)." << nl
<< "minCellSize " << minCellSize
<< ", maxCellSize " << maxCellSize
<< ", ratio " << maxCellSize/minCellSize
<< nl << endl;
}
return true;
}
@ -711,7 +850,7 @@ bool Foam::hierarchicalDensityWeightedStochastic::fillBox
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
hierarchicalDensityWeightedStochastic::hierarchicalDensityWeightedStochastic
autoDensity::autoDensity
(
const dictionary& initialPointsDict,
const conformalVoronoiMesh& cvMesh
@ -737,8 +876,7 @@ hierarchicalDensityWeightedStochastic::hierarchicalDensityWeightedStochastic
WarningIn
(
"hierarchicalDensityWeightedStochastic::"
"hierarchicalDensityWeightedStochastic"
"autoDensity::autoDensity"
"("
"const dictionary& initialPointsDict,"
"const conformalVoronoiMesh& cvMesh"
@ -753,15 +891,25 @@ hierarchicalDensityWeightedStochastic::hierarchicalDensityWeightedStochastic
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
std::list<Vb::Point>
hierarchicalDensityWeightedStochastic::initialPoints() const
std::list<Vb::Point> autoDensity::initialPoints() const
{
const conformationSurfaces& geometry = cvMesh_.geometryToConformTo();
treeBoundBox hierBB;
treeBoundBox hierBB = geometry.globalBounds().extend
(
cvMesh_.rndGen(), 1e-6
);
// Pick up the bounds of this processor, or the whole geometry, depending
// on whether this is a parallel run.
if (Pstream::parRun())
{
hierBB = cvMesh_.decomposition().procBounds();
}
else
{
// Extend the global box to move it off large plane surfaces
hierBB = cvMesh_.geometryToConformTo().globalBounds().extend
(
cvMesh_.rndGen(),
1e-6
);
}
std::list<Vb::Point> initialPoints;

42
src/mesh/conformalVoronoiMesh/initialPointsMethod/hierarchicalDensityWeightedStochastic/hierarchicalDensityWeightedStochastic.H → src/mesh/conformalVoronoiMesh/initialPointsMethod/autoDensity/autoDensity.H
View File

@ -22,19 +22,19 @@ License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Class
Foam::hierarchicalDensityWeightedStochastic
Foam::autoDensity
Description
Choose random points inside the domain and place them with a probability
proportional to the target density of points.
SourceFiles
hierarchicalDensityWeightedStochastic.C
autoDensity.C
\*---------------------------------------------------------------------------*/
#ifndef hierarchicalDensityWeightedStochastic_H
#define hierarchicalDensityWeightedStochastic_H
#ifndef autoDensity_H
#define autoDensity_H
#include "initialPointsMethod.H"
#include "treeBoundBox.H"
@ -45,10 +45,10 @@ namespace Foam
{
/*---------------------------------------------------------------------------*\
Class hierarchicalDensityWeightedStochastic Declaration
Class autoDensity Declaration
\*---------------------------------------------------------------------------*/
class hierarchicalDensityWeightedStochastic
class autoDensity
:
public initialPointsMethod
{
@ -82,6 +82,30 @@ private:
// Private Member Functions
//- Check if the given box overlaps the geometry or, in parallel, the
// backgroundMeshDecomposition
bool combinedOverlaps(const treeBoundBox& box) const;
//- Check if the given point is inside the geometry and, in parallel,
// the backgroundMeshDecomposition
bool combinedInside(const point& p) const;
//- Check if the given points are wellInside the geometry and, in
// parallel, inside the backgroundMeshDecomposition
Field<bool> combinedWellInside
(
const pointField& pts,
const scalarField& sizes
) const;
//- Check if the given points are wellInside the geometry and, in
// parallel, inside the backgroundMeshDecomposition
bool combinedWellInside
(
const point& p,
scalar size
) const;
//- Write boundBox as obj
void writeOBJ
(
@ -112,12 +136,12 @@ private:
public:
//- Runtime type information
TypeName("hierarchicalDensityWeightedStochastic");
TypeName("autoDensity");
// Constructors
//- Construct from components
hierarchicalDensityWeightedStochastic
autoDensity
(
const dictionary& initialPointsDict,
const conformalVoronoiMesh& cvMesh
@ -125,7 +149,7 @@ public:
//- Destructor
virtual ~hierarchicalDensityWeightedStochastic()
virtual ~autoDensity()
{}

60
src/mesh/conformalVoronoiMesh/initialPointsMethod/bodyCentredCubic/bodyCentredCubic.C
View File

@ -58,19 +58,30 @@ bodyCentredCubic::bodyCentredCubic
std::list<Vb::Point> bodyCentredCubic::initialPoints() const
{
const boundBox& bb = cvMesh_.geometryToConformTo().globalBounds();
boundBox bb;
// Pick up the bounds of this processor, or the whole geometry, depending
// on whether this is a parallel run.
if (Pstream::parRun())
{
bb = cvMesh_.decomposition().procBounds();
}
else
{
bb = cvMesh_.geometryToConformTo().globalBounds();
}
scalar x0 = bb.min().x();
scalar xR = bb.max().x() - x0;
label ni = label(xR/initialCellSize_) + 1;
label ni = label(xR/initialCellSize_);
scalar y0 = bb.min().y();
scalar yR = bb.max().y() - y0;
label nj = label(yR/initialCellSize_) + 1;
label nj = label(yR/initialCellSize_);
scalar z0 = bb.min().z();
scalar zR = bb.max().z() - z0;
label nk = label(zR/initialCellSize_) + 1;
label nk = label(zR/initialCellSize_);
vector delta(xR/ni, yR/nj, zR/nk);
@ -82,8 +93,6 @@ std::list<Vb::Point> bodyCentredCubic::initialPoints() const
std::list<Vb::Point> initialPoints;
List<bool> isSurfacePoint(2*nk, false);
for (label i = 0; i < ni; i++)
{
for (label j = 0; j < nj; j++)
@ -114,7 +123,19 @@ std::list<Vb::Point> bodyCentredCubic::initialPoints() const
pA.z() += pert*(rndGen.scalar01() - 0.5);
}
points[pI++] = pA;
if (Pstream::parRun())
{
if (cvMesh_.decomposition().positionOnThisProcessor(pA))
{
// Add this point in parallel only if this position is
// on this processor.
points[pI++] = pA;
}
}
else
{
points[pI++] = pA;
}
if (randomiseInitialGrid_)
{
@ -123,14 +144,35 @@ std::list<Vb::Point> bodyCentredCubic::initialPoints() const
pB.z() += pert*(rndGen.scalar01() - 0.5);
}
points[pI++] = pB;
if (Pstream::parRun())
{
if (cvMesh_.decomposition().positionOnThisProcessor(pB))
{
// Add this point in parallel only if this position is
// on this processor.
points[pI++] = pB;
}
}
else
{
points[pI++] = pB;
}
}
points.setSize(pI);
Field<bool> insidePoints = cvMesh_.geometryToConformTo().wellInside
(
points,
minimumSurfaceDistanceCoeffSqr_
*sqr(cvMesh_.cellSizeControl().cellSize(points, isSurfacePoint))
*sqr
(
cvMesh_.cellSizeControl().cellSize
(
points,
List<bool>(points.size(), false)
)
)
);
forAll(insidePoints, i)

147
src/mesh/conformalVoronoiMesh/initialPointsMethod/densityWeightedStochastic/densityWeightedStochastic.C
View File

@ -1,147 +0,0 @@
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2009-2011 OpenCFD Ltd.
\\/ 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/>.
\*---------------------------------------------------------------------------*/
#include "densityWeightedStochastic.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
defineTypeNameAndDebug(densityWeightedStochastic, 0);
addToRunTimeSelectionTable
(
initialPointsMethod,
densityWeightedStochastic,
dictionary
);
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
densityWeightedStochastic::densityWeightedStochastic
(
const dictionary& initialPointsDict,
const conformalVoronoiMesh& cvMesh
)
:
initialPointsMethod(typeName, initialPointsDict, cvMesh),
totalVolume_(readScalar(detailsDict().lookup("totalVolume"))),
minCellSize_
(
detailsDict().lookupOrDefault<scalar>("minCellSize", GREAT)
),
minCellSizeLimit_
(
detailsDict().lookupOrDefault<scalar>("minCellSizeLimit", 0.0)
)
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
std::list<Vb::Point> densityWeightedStochastic::initialPoints() const
{
const boundBox& bb = cvMesh_.geometryToConformTo().globalBounds();
Random& rndGen = cvMesh_.rndGen();
std::list<Vb::Point> initialPoints;
scalar volumeAdded = 0.0;
const point& min = bb.min();
vector span = bb.span();
label trialPoints = 0;
scalar maxDensity = 1/pow3(max(minCellSize_, SMALL));
while (volumeAdded < totalVolume_)
{
trialPoints++;
point p =
min
+ vector
(
span.x()*rndGen.scalar01(),
span.y()*rndGen.scalar01(),
span.z()*rndGen.scalar01()
);
scalar localSize = cvMesh_.cellSizeControl().cellSize(p);
if (localSize < minCellSize_)
{
minCellSize_ = max(localSize, minCellSizeLimit_);
// 1/(minimum cell size)^3, gives the maximum permissible point
// density
maxDensity = 1/pow3(max(minCellSize_, SMALL));
}
scalar localDensity = 1/pow3(max(localSize, SMALL));
// Accept possible placements proportional to the relative local density
if (localDensity/maxDensity > rndGen.scalar01())
{
// Determine if the point is "wellInside" the domain
if
(
cvMesh_.geometryToConformTo().wellInside
(
p,
minimumSurfaceDistanceCoeffSqr_*sqr(localSize)
)
)
{
initialPoints.push_back(Vb::Point(p.x(), p.y(), p.z()));
volumeAdded += 1/localDensity;
}
}
}
Info<< nl << " " << typeName << nl
<< " " << initialPoints.size() << " points placed" << nl
<< " " << trialPoints << " locations queried" << nl
<< " " << scalar(initialPoints.size())/scalar(trialPoints)
<< " success rate" << nl
<< " minCellSize " << minCellSize_
<< endl;
return initialPoints;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// ************************************************************************* //

106
src/mesh/conformalVoronoiMesh/initialPointsMethod/densityWeightedStochastic/densityWeightedStochastic.H
View File

@ -1,106 +0,0 @@
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2009-2011 OpenCFD Ltd.
\\/ 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/>.
Class
Foam::densityWeightedStochastic
Description
Choose random points inside the domain and place them with a probability
proportional to the target density of points.
SourceFiles
densityWeightedStochastic.C
\*---------------------------------------------------------------------------*/
#ifndef densityWeightedStochastic_H
#define densityWeightedStochastic_H
#include "initialPointsMethod.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class densityWeightedStochastic Declaration
\*---------------------------------------------------------------------------*/
class densityWeightedStochastic
:
public initialPointsMethod
{
private:
// Private data
//- The total volume to be filled
scalar totalVolume_;
//- Working variable for minimum cell size, a starting value may be
// specified in the dictionary
mutable scalar minCellSize_;
//- Smallest minimum cell size allowed, i.e. to avoid high initial
// population of areas of small size
scalar minCellSizeLimit_;
public:
//- Runtime type information
TypeName("densityWeightedStochastic");
// Constructors
//- Construct from components
densityWeightedStochastic
(
const dictionary& initialPointsDict,
const conformalVoronoiMesh& cvMesh
);
//- Destructor
virtual ~densityWeightedStochastic()
{}
// Member Functions
//- Return the initial points for the conformalVoronoiMesh
virtual std::list<Vb::Point> initialPoints() const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //

88
src/mesh/conformalVoronoiMesh/initialPointsMethod/faceCentredCubic/faceCentredCubic.C
View File

@ -58,19 +58,30 @@ faceCentredCubic::faceCentredCubic
std::list<Vb::Point> faceCentredCubic::initialPoints() const
{
const boundBox& bb = cvMesh_.geometryToConformTo().globalBounds();
boundBox bb;
// Pick up the bounds of this processor, or the whole geometry, depending
// on whether this is a parallel run.
if (Pstream::parRun())
{
bb = cvMesh_.decomposition().procBounds();
}
else
{
bb = cvMesh_.geometryToConformTo().globalBounds();
}
scalar x0 = bb.min().x();
scalar xR = bb.max().x() - x0;
label ni = label(xR/initialCellSize_) + 1;
label ni = label(xR/initialCellSize_);
scalar y0 = bb.min().y();
scalar yR = bb.max().y() - y0;
label nj = label(yR/initialCellSize_) + 1;
label nj = label(yR/initialCellSize_);
scalar z0 = bb.min().z();
scalar zR = bb.max().z() - z0;
label nk = label(zR/initialCellSize_) + 1;
label nk = label(zR/initialCellSize_);
vector delta(xR/ni, yR/nj, zR/nk);
@ -82,8 +93,6 @@ std::list<Vb::Point> faceCentredCubic::initialPoints() const
std::list<Vb::Point> initialPoints;
List<bool> isSurfacePoint(4*nk, false);
for (label i = 0; i < ni; i++)
{
for (label j = 0; j < nj; j++)
@ -112,7 +121,19 @@ std::list<Vb::Point> faceCentredCubic::initialPoints() const
p.z() += pert*(rndGen.scalar01() - 0.5);
}
points[pI++] = p;
if (Pstream::parRun())
{
if (cvMesh_.decomposition().positionOnThisProcessor(p))
{
// Add this point in parallel only if this position is
// on this processor.
points[pI++] = p;
}
}
else
{
points[pI++] = p;
}
p = point
(
@ -128,7 +149,19 @@ std::list<Vb::Point> faceCentredCubic::initialPoints() const
p.z() += pert*(rndGen.scalar01() - 0.5);
}
points[pI++] = p;
if (Pstream::parRun())
{
if (cvMesh_.decomposition().positionOnThisProcessor(p))
{
// Add this point in parallel only if this position is
// on this processor.
points[pI++] = p;
}
}
else
{
points[pI++] = p;
}
p = point
(
@ -144,7 +177,19 @@ std::list<Vb::Point> faceCentredCubic::initialPoints() const
p.z() += pert*(rndGen.scalar01() - 0.5);
}
points[pI++] = p;
if (Pstream::parRun())
{
if (cvMesh_.decomposition().positionOnThisProcessor(p))
{
// Add this point in parallel only if this position is
// on this processor.
points[pI++] = p;
}
}
else
{
points[pI++] = p;
}
p = point
(
@ -160,14 +205,35 @@ std::list<Vb::Point> faceCentredCubic::initialPoints() const
p.z() += pert*(rndGen.scalar01() - 0.5);
}
points[pI++] = p;
if (Pstream::parRun())
{
if (cvMesh_.decomposition().positionOnThisProcessor(p))
{
// Add this point in parallel only if this position is
// on this processor.
points[pI++] = p;
}
}
else
{
points[pI++] = p;
}
}
points.setSize(pI);
Field<bool> insidePoints = cvMesh_.geometryToConformTo().wellInside
(
points,
minimumSurfaceDistanceCoeffSqr_
*sqr(cvMesh_.cellSizeControl().cellSize(points, isSurfacePoint))
*sqr
(
cvMesh_.cellSizeControl().cellSize
(
points,
List<bool>(points.size(), false)
)
)
);
forAll(insidePoints, i)

2
src/mesh/conformalVoronoiMesh/initialPointsMethod/uniformGrid/uniformGrid.C
View File

@ -146,7 +146,7 @@ std::list<Vb::Point> uniformGrid::initialPoints() const
cvMesh_.cellSizeControl().cellSize
(
points,
List<bool>(pI, false)
List<bool>(points.size(), false)
)
)
);

9
tutorials/mesh/cvMesh/flange/system/cvMeshDict-generatePoints
View File

@ -109,14 +109,17 @@ initialPoints
{
minimumSurfaceDistanceCoeff 0.55;
initialPointsMethod densityWeightedStochastic;
initialPointsMethod autoDensity;
// initialPointsMethod uniformGrid;
// initialPointsMethod bodyCentredCubic;
// initialPointsMethod pointFile;
densityWeightedStochasticDetails
autoDensityDetails
{
totalVolume 1.56e-05;
minLevels 1;
maxSizeRatio 2.0;
sampleResolution 5;
surfaceSampleResolution 5;
}
uniformGridDetails

22
tutorials/mesh/cvMesh/flange/system/cvMeshDict-usePoints
View File

@ -109,30 +109,8 @@ initialPoints
{
minimumSurfaceDistanceCoeff 0.55;
// initialPointsMethod densityWeightedStochastic;
// initialPointsMethod uniformGrid;
// initialPointsMethod bodyCentredCubic;
initialPointsMethod pointFile;
densityWeightedStochasticDetails
{
totalVolume 1.56e-05;
}
uniformGridDetails
{
initialCellSize 0.0015;
randomiseInitialGrid yes;
randomPerturbationCoeff 0.02;
}
bodyCentredCubicDetails
{
initialCellSize 0.0015;
randomiseInitialGrid no;
randomPerturbationCoeff 0.1;
}
pointFileDetails
{
pointFile "constant/internalDelaunayVertices";

8
tutorials/mesh/cvMesh/simpleShapes/Allrun
View File

@ -6,18 +6,10 @@ cd ${0%/*} || exit 1 # run from this directory
# Generate aligned points (in constant/internalDelaunayVertices) and a
# mesh from that.
#cp system/controlDict-generatePoints system/controlDict
#cp system/cvMeshDict-generatePoints system/cvMeshDict
runApplication surfaceFeatureExtract constant/triSurface/coneAndSphere.obj coneAndSphere -includedAngle 125
runApplication surfaceFeatureExtract constant/triSurface/domain.stl domain -includedAngle 125
runApplication cvMesh
# Use pre-generated aligned points (constant/internalDelaunayVertices)
# to generate a mesh
# cp system/controlDict-usePoints system/controlDict
# cp system/cvMeshDict-usePoints system/cvMeshDict
# runApplication cvMesh
# Generate some sets for a bit of mesh inspection
runApplication topoSet

54
tutorials/mesh/cvMesh/simpleShapes/system/controlDict-generatePoints
View File

@ -1,54 +0,0 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
root "";
case "";
instance "";
local "";
class dictionary;
object controlDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
startFrom latestTime;
startTime 0;
stopAt endTime;
endTime 80;
deltaT 1;
writeControl timeStep;
writeInterval 1000; //10 to see the meshing steps
purgeWrite 0;
writeFormat ascii;
writePrecision 10;
writeCompression uncompressed;
timeFormat general;
timePrecision 6;
runTimeModifiable yes;
// ************************************************************************* //

54
tutorials/mesh/cvMesh/simpleShapes/system/controlDict-usePoints
View File

@ -1,54 +0,0 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
root "";
case "";
instance "";
local "";
class dictionary;
object controlDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
startFrom latestTime;
startTime 0;
stopAt endTime;
endTime 0;
deltaT 1;
writeControl timeStep;
writeInterval 1000; //10 to see the meshing steps
purgeWrite 0;
writeFormat ascii;
writePrecision 10;
writeCompression uncompressed;
timeFormat general;
timePrecision 6;
runTimeModifiable yes;
// ************************************************************************* //

1
tutorials/mesh/cvMesh/simpleShapes/system/cvMeshDict
View File

@ -1 +0,0 @@
cvMeshDict-generatePoints

280
tutorials/mesh/cvMesh/simpleShapes/system/cvMeshDict Normal file
View File

@ -0,0 +1,280 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
root "";
case "";
instance "";
local "";
class dictionary;
object cvMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Important:
// ----------
// Any scalar with a name <name>Coeff specifies a value that will be implemented
// as a faction of the local target cell size
// Any scalar with a name <name>Size specifies an absolute size.
// Geometry. Definition of all surfaces. All surfaces are of class
// searchableSurface.
// Surfaces need to be (almost) closed - use closedTriSurfaceMesh
// if they are not topologically closed. Surfaces need to be oriented so
// the space to be meshed is always on the inside of all surfaces. Use e.g.
// surfaceOrient.
geometry
{
// Internal shape
coneAndSphere.obj
{
name coneAndSphere;
type triSurfaceMesh;
tolerance 0.00001;
}
// // Internal shape
// coneAndSphere
// {
// type searchableSurfaceWithGaps;
// surface coneAndSphere.obj;
// gap 0.001;
// }
// Bounds of domain
domain.stl
{
type triSurfaceMesh;
}
}
surfaceConformation
{
// Point that is inside wanted part of geometry.
locationInMesh (0 -0.5 0);
// Balance this between
// - very low distance: little chance of interference from other
// surfaces
// - largish distance: less non-orthogonality in final cell
// (circumcentre far away from centroid)
pointPairDistanceCoeff 0.1;
mixedFeaturePointPPDistanceCoeff 5.0;
featurePointExclusionDistanceCoeff 0.4;
featureEdgeExclusionDistanceCoeff 0.2;
surfaceSearchDistanceCoeff 2.5;
maxSurfaceProtrusionCoeff 0.1;
maxQuadAngle 125;
surfaceConformationRebuildFrequency 10;
coarseConformationControls
{
initial
{
edgeSearchDistCoeff 1.1;
surfacePtReplaceDistCoeff 0.5;
}
iteration
{
edgeSearchDistCoeff 1.25;
surfacePtReplaceDistCoeff 0.7;
}
maxIterations 15;
iterationToInitialHitRatioLimit 0.001;
}
fineConformationControls
{
initial
{
edgeSearchDistCoeff 1.1;
surfacePtReplaceDistCoeff 0.5;
}
iteration
{
edgeSearchDistCoeff 1.25;
surfacePtReplaceDistCoeff 0.7;
}
maxIterations 15;
iterationToInitialHitRatioLimit 0.001;
}
geometryToConformTo
{
coneAndSphere
{
featureMethod extendedFeatureEdgeMesh;
extendedFeatureEdgeMesh "coneAndSphere.extendedFeatureEdgeMesh";
}
domain.stl
{
featureMethod extendedFeatureEdgeMesh;
extendedFeatureEdgeMesh "domain.extendedFeatureEdgeMesh";
}
}
additionalFeatures {}
}
initialPoints
{
// Do not place point closer than minimumSurfaceDistanceCoeff
// to the surface. Is fraction of local target cell size (see below)
minimumSurfaceDistanceCoeff 0.55;
initialPointsMethod autoDensity;
// initialPointsMethod uniformGrid;
// initialPointsMethod bodyCentredCubic;
// initialPointsMethod pointFile;
// Take boundbox of all geometry. Samples with this box. If too much
// samples (due to target cell size) in box split box.
autoDensityDetails
{
// Number of refinement levels. Needs to be enough to pick up features
// due to size ratio.
minLevels 2;
// Split box if ratio of min to max size larger than maxSizeRatio
maxSizeRatio 5.0;
// Per box sample 3x3x3 internally
sampleResolution 3;
// Additionally per face of the box sample 3
surfaceSampleResolution 3;
}
uniformGridDetails
{
initialCellSize 0.0015;
randomiseInitialGrid yes;
randomPerturbationCoeff 0.02;
}
bodyCentredCubicDetails
{
initialCellSize 0.0015;
randomiseInitialGrid no;
randomPerturbationCoeff 0.1;
}
pointFileDetails
{
pointFile "constant/internalDelaunayVertices";
}
}
motionControl
{
defaultCellSize 0.1;
// Assign a priority to all requests for cell sizes, the highest overrules.
defaultPriority 0;
cellSizeControlGeometry
{
}
relaxationModel adaptiveLinear;
adaptiveLinearCoeffs
{
relaxationStart 1.0;
relaxationEnd 0.0;
}
objOutput no;
timeChecks yes;
alignmentSearchSpokes 36;
alignmentAcceptanceAngle 48;
sizeAndAlignmentRebuildFrequency 20;
pointInsertionCriteria
{
cellCentreDistCoeff 1.75;
faceAreaRatioCoeff 0.0025;
acceptanceAngle 21.5;
}
pointRemovalCriteria
{
cellCentreDistCoeff 0.65;
}
faceAreaWeightModel piecewiseLinearRamp;
piecewiseLinearRampCoeffs
{
lowerAreaFraction 0.5;
upperAreaFraction 1.0;
}
}
polyMeshFiltering
{
filterSizeCoeff 0.2;
mergeClosenessCoeff 1e-4;
continueFilteringOnBadInitialPolyMesh true;
filterErrorReductionCoeff 0.5;
filterCountSkipThreshold 4;
maxCollapseIterations 25;
maxConsecutiveEqualFaceSets 5;
surfaceStepFaceAngle 80;
edgeCollapseGuardFraction 0.3;
maxCollapseFaceToPointSideLengthCoeff 0.35;
}
meshQualityControls
{
maxNonOrtho 65;
maxBoundarySkewness 50;
maxInternalSkewness 10;
maxConcave 80;
minTetQuality 1e-30;
minVol 0;
minArea -1;
minTwist 0.02;
minDeterminant 0.001;
minFaceWeight 0.02;
minVolRatio 0.01;
minTriangleTwist -1;
}
// ************************************************************************* //

287
tutorials/mesh/cvMesh/simpleShapes/system/cvMeshDict-generatePoints
View File

@ -1,287 +0,0 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
root "";
case "";
instance "";
local "";
class dictionary;
object cvMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Important:
// ----------
// Any scalar with a name <name>Coeff specifies a value that will be implemented
// as a faction of the local target cell size
// Any scalar with a name <name>Size specifies an absolute size.
// Geometry. Definition of all surfaces. All surfaces are of class
// searchableSurface.
// Surfaces need to be (almost) closed - use closedTriSurfaceMesh
// if they are not topologically closed. Surfaces need to be oriented so
// the space to be meshed is always on the inside of all surfaces. Use e.g.
// surfaceOrient.
geometry
{
// Internal shape
coneAndSphere.obj
{
name coneAndSphere;
type triSurfaceMesh;
tolerance 0.00001;
}
// // Internal shape
// coneAndSphere
// {
// type searchableSurfaceWithGaps;
// surface coneAndSphere.obj;
// gap 0.001;
// }
// Bounds of domain
domain.stl
{
type triSurfaceMesh;
}
}
surfaceConformation
{
// Point that is inside wanted part of geometry.
locationInMesh (0 -0.5 0);
// Balance this between
// - very low distance: little chance of interference from other
// surfaces
// - largish distance: less non-orthogonality in final cell
// (circumcentre far away from centroid)
pointPairDistanceCoeff 0.1;
mixedFeaturePointPPDistanceCoeff 5.0;
featurePointExclusionDistanceCoeff 0.4;
featureEdgeExclusionDistanceCoeff 0.2;
surfaceSearchDistanceCoeff 2.5;
maxSurfaceProtrusionCoeff 0.1;
maxQuadAngle 125;
surfaceConformationRebuildFrequency 10;
coarseConformationControls
{
initial
{
edgeSearchDistCoeff 1.1;
surfacePtReplaceDistCoeff 0.5;
}
iteration
{
edgeSearchDistCoeff 1.25;
surfacePtReplaceDistCoeff 0.7;
}
maxIterations 15;
iterationToInitialHitRatioLimit 0.001;
}
fineConformationControls
{
initial
{
edgeSearchDistCoeff 1.1;
surfacePtReplaceDistCoeff 0.5;
}
iteration
{
edgeSearchDistCoeff 1.25;
surfacePtReplaceDistCoeff 0.7;
}
maxIterations 15;
iterationToInitialHitRatioLimit 0.001;
}
geometryToConformTo
{
coneAndSphere
{
featureMethod extendedFeatureEdgeMesh;
extendedFeatureEdgeMesh "coneAndSphere.extendedFeatureEdgeMesh";
}
domain.stl
{
featureMethod extendedFeatureEdgeMesh;
extendedFeatureEdgeMesh "domain.extendedFeatureEdgeMesh";
}
}
additionalFeatures {}
}
initialPoints
{
// Do not place point closer than minimumSurfaceDistanceCoeff
// to the surface. Is fraction of local target cell size (see below)
minimumSurfaceDistanceCoeff 0.55;
initialPointsMethod hierarchicalDensityWeightedStochastic;
//initialPointsMethod densityWeightedStochastic;
// initialPointsMethod uniformGrid;
// initialPointsMethod bodyCentredCubic;
// initialPointsMethod pointFile;
// Take boundbox of all geometry. Samples with this box. If too much
// samples (due to target cell size) in box split box.
hierarchicalDensityWeightedStochasticDetails
{
// Number of refinement levels. Needs to be enough to pick up features
// due to size ratio.
minLevels 2;
// Split box if ratio of min to max size larger than maxSizeRatio
maxSizeRatio 5.0;
// Per box sample 3x3x3 internally
sampleResolution 3;
// Additionally per face of the box sample 3
surfaceSampleResolution 3;
}
densityWeightedStochasticDetails
{
totalVolume 1.56e-05;
}
uniformGridDetails
{
initialCellSize 0.0015;
randomiseInitialGrid yes;
randomPerturbationCoeff 0.02;
}
bodyCentredCubicDetails
{
initialCellSize 0.0015;
randomiseInitialGrid no;
randomPerturbationCoeff 0.1;
}
pointFileDetails
{
pointFile "constant/internalDelaunayVertices";
}
}
motionControl
{
defaultCellSize 0.1;
// Assign a priority to all requests for cell sizes, the highest overrules.
defaultPriority 0;
cellSizeControlGeometry
{
}
relaxationModel adaptiveLinear;
adaptiveLinearCoeffs
{
relaxationStart 1.0;
relaxationEnd 0.0;
}
objOutput no;
timeChecks yes;
alignmentSearchSpokes 36;
alignmentAcceptanceAngle 48;
sizeAndAlignmentRebuildFrequency 20;
pointInsertionCriteria
{
cellCentreDistCoeff 1.75;
faceAreaRatioCoeff 0.0025;
acceptanceAngle 21.5;
}
pointRemovalCriteria
{
cellCentreDistCoeff 0.65;
}
faceAreaWeightModel piecewiseLinearRamp;
piecewiseLinearRampCoeffs
{
lowerAreaFraction 0.5;
upperAreaFraction 1.0;
}
}
polyMeshFiltering
{
filterSizeCoeff 0.2;
mergeClosenessCoeff 1e-4;
continueFilteringOnBadInitialPolyMesh true;
filterErrorReductionCoeff 0.5;
filterCountSkipThreshold 4;
maxCollapseIterations 25;
maxConsecutiveEqualFaceSets 5;
surfaceStepFaceAngle 80;
edgeCollapseGuardFraction 0.3;
maxCollapseFaceToPointSideLengthCoeff 0.35;
}
meshQualityControls
{
maxNonOrtho 65;
maxBoundarySkewness 50;
maxInternalSkewness 10;
maxConcave 80;
minTetQuality 1e-30;
minVol 0;
minArea -1;
minTwist 0.02;
minDeterminant 0.001;
minFaceWeight 0.02;
minVolRatio 0.01;
minTriangleTwist -1;
}
// ************************************************************************* //

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tutorials/mesh/cvMesh/simpleShapes/system/cvMeshDict-usePoints
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@ -1,226 +0,0 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
root "";
case "";
instance "";
local "";
class dictionary;
object cvMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Any scalar with a name <name>Coeff specifies a value that will be implemented
// as a faction of the local target cell size
geometry
{
flange.obj
{
type triSurfaceMesh;
}
}
surfaceConformation
{
locationInMesh (0 0 0);
pointPairDistanceCoeff 0.1;
mixedFeaturePointPPDistanceCoeff 5.0;
featurePointExclusionDistanceCoeff 0.4;
featureEdgeExclusionDistanceCoeff 0.2;
surfaceSearchDistanceCoeff 2.5;
maxSurfaceProtrusionCoeff 0.1;
maxQuadAngle 125;
surfaceConformationRebuildFrequency 10;
coarseConformationControls
{
initial
{
edgeSearchDistCoeff 1.1;
surfacePtReplaceDistCoeff 0.5;
}
iteration
{
edgeSearchDistCoeff 1.25;
surfacePtReplaceDistCoeff 0.7;
}
maxIterations 15;
iterationToInitialHitRatioLimit 0.001;
}
fineConformationControls
{
initial
{
edgeSearchDistCoeff 1.1;
surfacePtReplaceDistCoeff 0.5;
}
iteration
{
edgeSearchDistCoeff 1.25;
surfacePtReplaceDistCoeff 0.7;
}
maxIterations 15;
iterationToInitialHitRatioLimit 0.001;
}
geometryToConformTo
{
flange.obj
{
featureMethod extendedFeatureEdgeMesh;
extendedFeatureEdgeMesh "flange.extendedFeatureEdgeMesh";
}
}
additionalFeatures {}
}
initialPoints
{
minimumSurfaceDistanceCoeff 0.55;
// initialPointsMethod densityWeightedStochastic;
// initialPointsMethod uniformGrid;
// initialPointsMethod bodyCentredCubic;
initialPointsMethod pointFile;
densityWeightedStochasticDetails
{
totalVolume 1.56e-05;
}
uniformGridDetails
{
initialCellSize 0.0015;
randomiseInitialGrid yes;
randomPerturbationCoeff 0.02;
}
bodyCentredCubicDetails
{
initialCellSize 0.0015;
randomiseInitialGrid no;
randomPerturbationCoeff 0.1;
}
pointFileDetails
{
pointFile "constant/internalDelaunayVertices";
}
}
motionControl
{
defaultCellSize 0.00075;
// Assign a priority to all requests for cell sizes, the highest overrules.
defaultPriority 0;
cellSizeControlGeometry
{
}
relaxationModel adaptiveLinear;
adaptiveLinearCoeffs
{
relaxationStart 1.0;
relaxationEnd 0.0;
}
objOutput no;
timeChecks yes;
alignmentSearchSpokes 36;
alignmentAcceptanceAngle 48;
sizeAndAlignmentRebuildFrequency 20;
pointInsertionCriteria
{
cellCentreDistCoeff 1.75;
faceAreaRatioCoeff 0.0025;
acceptanceAngle 21.5;
}
pointRemovalCriteria
{
cellCentreDistCoeff 0.65;
}
faceAreaWeightModel piecewiseLinearRamp;
piecewiseLinearRampCoeffs
{
lowerAreaFraction 0.5;
upperAreaFraction 1.0;
}
}
polyMeshFiltering
{
filterSizeCoeff 0.2;
mergeClosenessCoeff 1e-4;
continueFilteringOnBadInitialPolyMesh true;
filterErrorReductionCoeff 0.5;
filterCountSkipThreshold 4;
maxCollapseIterations 25;
maxConsecutiveEqualFaceSets 5;
surfaceStepFaceAngle 80;
edgeCollapseGuardFraction 0.3;
maxCollapseFaceToPointSideLengthCoeff 0.35;
}
meshQualityControls
{
maxNonOrtho 65;
maxBoundarySkewness 50;
maxInternalSkewness 10;
maxConcave 80;
minTetQuality 1e-30;
minVol 0;
minArea -1;
minTwist 0.02;
minDeterminant 0.001;
minFaceWeight 0.02;
minVolRatio 0.01;
minTriangleTwist -1;
}
// ************************************************************************* //