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Commit a4d50f98 authored by mattijs's avatar mattijs
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BUG: autoLayerDriver: update local data

parent 1f35db62
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src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoLayerDriver.C
View file @ a4d50f98
......@@ -55,6 +55,10 @@ Description
#include "fixedValueFvPatchFields.H"
#include "localPointRegion.H"
#include "externalDisplacementMeshMover.H"
#include "medialAxisMeshMover.H"
#include "scalarIOField.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
......@@ -1378,8 +1382,8 @@ void Foam::autoLayerDriver::syncPatchDisplacement
mesh,
meshPoints,
patchDisp,
minEqOp<vector>(),
point::max // null value
minMagSqrEqOp<vector>(),
point::rootMax // null value
);
// Unmark if displacement too small
......@@ -1487,7 +1491,7 @@ void Foam::autoLayerDriver::syncPatchDisplacement
// patch point.
void Foam::autoLayerDriver::getPatchDisplacement
(
const motionSmoother& meshMover,
const indirectPrimitivePatch& pp,
const scalarField& thickness,
const scalarField& minThickness,
pointField& patchDisp,
......@@ -1499,7 +1503,6 @@ void Foam::autoLayerDriver::getPatchDisplacement
<< " according to pointNormal ..." << endl;
const fvMesh& mesh = meshRefiner_.mesh();
const indirectPrimitivePatch& pp = meshMover.patch();
const vectorField& faceNormals = pp.faceNormals();
const labelListList& pointFaces = pp.pointFaces();
const pointField& localPoints = pp.localPoints();
......@@ -1594,6 +1597,11 @@ void Foam::autoLayerDriver::getPatchDisplacement
nExtrudeRemove++;
}
else
{
// All surrounding points are not extruded. Leave patchDisp
// intact.
}
}
}
......@@ -1720,7 +1728,7 @@ Foam::label Foam::autoLayerDriver::truncateDisplacement
(
const globalIndex& globalFaces,
const labelListList& edgeGlobalFaces,
const motionSmoother& meshMover,
const indirectPrimitivePatch& pp,
const scalarField& minThickness,
const faceSet& illegalPatchFaces,
pointField& patchDisp,
......@@ -1728,8 +1736,7 @@ Foam::label Foam::autoLayerDriver::truncateDisplacement
List<extrudeMode>& extrudeStatus
) const
{
const polyMesh& mesh = meshMover.mesh();
const indirectPrimitivePatch& pp = meshMover.patch();
const fvMesh& mesh = meshRefiner_.mesh();
label nChanged = 0;
......@@ -2034,7 +2041,7 @@ Foam::label Foam::autoLayerDriver::truncateDisplacement
// regions where layer mesh terminates.
void Foam::autoLayerDriver::setupLayerInfoTruncation
(
const motionSmoother& meshMover,
const indirectPrimitivePatch& pp,
const labelList& patchNLayers,
const List<extrudeMode>& extrudeStatus,
const label nBufferCellsNoExtrude,
......@@ -2044,8 +2051,7 @@ void Foam::autoLayerDriver::setupLayerInfoTruncation
{
Info<< nl << "Setting up information for layer truncation ..." << endl;
const indirectPrimitivePatch& pp = meshMover.patch();
const polyMesh& mesh = meshMover.mesh();
const fvMesh& mesh = meshRefiner_.mesh();
if (nBufferCellsNoExtrude < 0)
{
......@@ -2917,26 +2923,6 @@ void Foam::autoLayerDriver::addLayers
);
// Construct iterative mesh mover.
Info<< "Constructing mesh displacer ..." << endl;
autoPtr<motionSmoother> meshMover
(
new motionSmoother
(
mesh,
pp(),
patchIDs,
makeLayerDisplacementField
(
pointMesh::New(mesh),
layerParams.numLayers()
),
motionDict
)
);
// Point-wise extrusion data
// ~~~~~~~~~~~~~~~~~~~~~~~~~
......@@ -2961,7 +2947,7 @@ void Foam::autoLayerDriver::addLayers
setNumLayers
(
layerParams.numLayers(), // per patch the num layers
meshMover().adaptPatchIDs(),// patches that are being moved
patchIDs, // patches that are being moved
pp, // indirectpatch for all faces moving
patchDisp,
......@@ -3059,12 +3045,22 @@ void Foam::autoLayerDriver::addLayers
// Determine (wanted) point-wise overall layer thickness and expansion
// ratio
scalarField thickness(pp().nPoints());
scalarField minThickness(pp().nPoints());
scalarIOField minThickness
(
IOobject
(
"minThickness",
meshRefiner_.timeName(),
mesh,
IOobject::NO_READ
),
pp().nPoints()
);
scalarField expansionRatio(pp().nPoints());
calculateLayerThickness
(
pp,
meshMover().adaptPatchIDs(),
patchIDs,
layerParams,
cellLevel,
patchNLayers,
......@@ -3077,89 +3073,36 @@ void Foam::autoLayerDriver::addLayers
// Calculate wall to medial axis distance for smoothing displacement
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pointScalarField pointMedialDist
(
IOobject
(
"pointMedialDist",
meshRefiner_.timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE,
false
),
meshMover().pMesh(),
dimensionedScalar("pointMedialDist", dimLength, 0.0)
);
pointVectorField dispVec
// Overall displacement field
pointVectorField displacement
(
IOobject
makeLayerDisplacementField
(
"dispVec",
meshRefiner_.timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE,
false
),
meshMover().pMesh(),
dimensionedVector("dispVec", dimLength, vector::zero)
pointMesh::New(mesh),
layerParams.numLayers()
)
);
pointScalarField medialRatio
(
IOobject
(
"medialRatio",
meshRefiner_.timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE,
false
),
meshMover().pMesh(),
dimensionedScalar("medialRatio", dimless, 0.0)
);
// Allocate run-time selectable mesh mover
autoPtr<externalDisplacementMeshMover> medialAxisMoverPtr;
{
// Set up controls for meshMover
dictionary combinedDict(layerParams.dict());
// Add mesh quality constraints
combinedDict.merge(motionDict);
// Where to get minThickness from
combinedDict.add("minThicknessName", minThickness.name());
pointVectorField medialVec
(
IOobject
// Take over patchDisp as boundary conditions on displacement
// pointVectorField
medialAxisMoverPtr = externalDisplacementMeshMover::New
(
"medialVec",
meshRefiner_.timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE,
false
),
meshMover().pMesh(),
dimensionedVector("medialVec", dimLength, vector::zero)
);
// Setup information for medial axis smoothing. Calculates medial axis
// and a smoothed displacement direction.
// - pointMedialDist : distance to medial axis
// - dispVec : normalised direction of nearest displacement
// - medialRatio : ratio of medial distance to wall distance.
// (1 at wall, 0 at medial axis)
medialAxisSmoothingInfo
(
meshMover,
layerParams.nSmoothNormals(),
layerParams.nSmoothSurfaceNormals(),
layerParams.minMedianAxisAngleCos(),
layerParams.slipFeatureAngle(),
dispVec,
medialRatio,
pointMedialDist,
medialVec
);
layerParams.meshShrinker(),
combinedDict,
baffles,
displacement
);
}
// Saved old points
......@@ -3215,7 +3158,7 @@ void Foam::autoLayerDriver::addLayers
// Displacement acc. to pointnormals
getPatchDisplacement
(
meshMover,
pp,
thickness,
minThickness,
patchDisp,
......@@ -3229,43 +3172,39 @@ void Foam::autoLayerDriver::addLayers
{
pointField oldPatchPos(pp().localPoints());
//// Laplacian displacement shrinking.
//shrinkMeshDistance
//(
// debug,
// meshMover,
// -patchDisp, // Shrink in opposite direction of addedPoints
// layerParams.nSmoothDisp(),
// layerParams.nSnap()
//);
// Medial axis based shrinking
shrinkMeshMedialDistance
// Take over patchDisp into pointDisplacement field and
// adjust both for multi-patch constraints
motionSmootherAlgo::setDisplacement
(
meshMover(),
meshQualityDict,
baffles,
patchIDs,
pp,
patchDisp,
displacement
);
layerParams.nSmoothThickness(),
layerParams.nSmoothDisplacement(),
layerParams.maxThicknessToMedialRatio(),
nAllowableErrors,
layerParams.nSnap(),
layerParams.layerTerminationCos(),
thickness,
minThickness,
// Move mesh
// ~~~~~~~~~
dispVec,
medialRatio,
pointMedialDist,
medialVec,
// Set up controls for meshMover
dictionary combinedDict(layerParams.dict());
// Add standard quality constraints
combinedDict.merge(motionDict);
// Add relaxed constraints (overrides standard ones)
combinedDict.merge(meshQualityDict);
// Where to get minThickness from
combinedDict.add("minThicknessName", minThickness.name());
extrudeStatus,
patchDisp,
patchNLayers
labelList checkFaces(identity(mesh.nFaces()));
medialAxisMoverPtr().move
(
combinedDict,
nAllowableErrors,
checkFaces
);
pp().movePoints(mesh.points());
// Update patchDisp (since not all might have been honoured)
patchDisp = oldPatchPos - pp().localPoints();
}
......@@ -3278,7 +3217,7 @@ void Foam::autoLayerDriver::addLayers
(
globalFaces,
edgeGlobalFaces,
meshMover(),
pp,
minThickness,
dummySet,
patchDisp,
......@@ -3331,7 +3270,7 @@ void Foam::autoLayerDriver::addLayers
labelList nPatchFaceLayers(pp().size(), -1);
setupLayerInfoTruncation
(
meshMover(),
pp,
patchNLayers,
extrudeStatus,
layerParams.nBufferCellsNoExtrude(),
......@@ -3456,7 +3395,7 @@ void Foam::autoLayerDriver::addLayers
<< endl;
newMesh.write();
cellSet addedCellSet(newMesh," addedCells", nAddedCells);
cellSet addedCellSet(newMesh, "addedCells", nAddedCells);
forAll(cellNLayers, cellI)
{
if (cellNLayers[cellI] > 0)
......@@ -3521,10 +3460,7 @@ void Foam::autoLayerDriver::addLayers
// Reset mesh points and start again
mesh.movePoints(oldPoints);
// Update meshmover for change of mesh geometry
meshMover().movePoints();
meshMover().correct();
pp().movePoints(mesh.points());
// Grow out region of non-extrusion
for (label i = 0; i < layerParams.nGrow(); i++)
......
src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoLayerDriver.H
View file @ a4d50f98
......@@ -277,7 +277,7 @@ private:
//- Get nearest point on surface to snap to
void getPatchDisplacement
(
const motionSmoother& meshMover,
const indirectPrimitivePatch& pp,
const scalarField& thickness,
const scalarField& minThickness,
pointField& patchDisp,
......@@ -315,7 +315,7 @@ private:
(
const globalIndex& globalFaces,
const labelListList& edgeGlobalFaces,
const motionSmoother& meshMover,
const indirectPrimitivePatch& pp,
const scalarField& minThickness,
const faceSet& illegalPatchFaces,
pointField& patchDisp,
......@@ -331,7 +331,7 @@ private:
// to go into the actual layer addition engine.
void setupLayerInfoTruncation
(
const motionSmoother& meshMover,
const indirectPrimitivePatch& pp,
const labelList& patchNLayers,
const List<extrudeMode>& extrudeStatus,
const label nBufferCellsNoExtrude,
......
src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoLayerDriverShrink.C
View file @ a4d50f98
......@@ -752,15 +752,15 @@ void Foam::autoLayerDriver::findIsolatedRegions
nPointCounter++;
nChanged++;
}
}
}
}
}
if (returnReduce(nChanged, sumOp<label>()) == 0)
{
break;
}
}
if (returnReduce(nChanged, sumOp<label>()) == 0)
{
break;
}
}
const edgeList& edges = pp.edges();
......
src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/layerParameters/layerParameters.C
View file @ a4d50f98
......@@ -28,6 +28,7 @@ License
#include "unitConversion.H"
#include "refinementSurfaces.H"
#include "searchableSurfaces.H"
#include "medialAxisMeshMover.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
......@@ -109,6 +110,7 @@ Foam::layerParameters::layerParameters
const polyBoundaryMesh& boundaryMesh
)
:
dict_(dict),
numLayers_(boundaryMesh.size(), -1),
relativeSizes_(dict.lookup("relativeSizes")),
layerSpec_(ILLEGAL),
......@@ -163,7 +165,15 @@ Foam::layerParameters::layerParameters
nSnap_(readLabel(dict.lookup("nRelaxIter"))),
nLayerIter_(readLabel(dict.lookup("nLayerIter"))),
nRelaxedIter_(labelMax),
additionalReporting_(dict.lookupOrDefault("additionalReporting", false))
additionalReporting_(dict.lookupOrDefault("additionalReporting", false)),
meshShrinker_
(
dict.lookupOrDefault
(
"meshShrinker",
medialAxisMeshMover::typeName
)
)
{
// Detect layer specification mode
......
src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/layerParameters/layerParameters.H
View file @ a4d50f98
......@@ -86,6 +86,9 @@ private:
// Private data
const dictionary dict_;
// Per patch (not region!) information
//- How many layers to add.
......@@ -143,6 +146,8 @@ private:
Switch additionalReporting_;
word meshShrinker_;
// Private Member Functions
//- Calculate expansion ratio from overall size v.s. thickness of
......@@ -170,6 +175,12 @@ public:
// Member Functions
const dictionary& dict() const
{
return dict_;
}
// Per patch information
//- How many layers to add.
......@@ -230,112 +241,124 @@ public:
}
scalar featureAngle() const
{
return featureAngle_;
}
// Control
//- At non-patched sides allow mesh to slip if extrusion
// direction makes angle larger than slipFeatureAngle.
scalar slipFeatureAngle() const
{
return slipFeatureAngle_;
}
//- Number of overall layer addition iterations
label nLayerIter() const
{
return nLayerIter_;
}
scalar concaveAngle() const
{
return concaveAngle_;
}
//- Number of iterations after which relaxed motion rules
// are to be used.
label nRelaxedIter() const
{
return nRelaxedIter_;
}
//- If points get not extruded do nGrow layers of connected faces
// that are not grown. Is used to not do layers at all close to
// features.
label nGrow() const
{
return nGrow_;
}
//- Number of smoothing iterations of surface normals
label nSmoothSurfaceNormals() const
{
return nSmoothSurfaceNormals_;
}
// Control
//- Number of smoothing iterations of interior mesh movement
// direction
label nSmoothNormals() const
{
return nSmoothNormals_;
}
scalar featureAngle() const
{
return featureAngle_;
}
//- Stop layer growth on highly warped cells
scalar maxFaceThicknessRatio() const
{
return maxFaceThicknessRatio_;
}
scalar concaveAngle() const
{
return concaveAngle_;
}
scalar layerTerminationCos() const
{
return layerTerminationCos_;
}
//- If points get not extruded do nGrow layers of connected faces
// that are not grown. Is used to not do layers at all close to
// features.
label nGrow() const
{
return nGrow_;
}
//- Smooth internal displacement
label nSmoothDisplacement() const
{
return nSmoothDisplacement_;
}
//- Stop layer growth on highly warped cells
scalar maxFaceThicknessRatio() const
{
return maxFaceThicknessRatio_;
}
//- Smooth layer thickness over surface patches
label nSmoothThickness() const
{
return nSmoothThickness_;
}
//- Create buffer region for new layer terminations
label nBufferCellsNoExtrude() const
{
return nBufferCellsNoExtrude_;
}
//- Reduce layer growth where ratio thickness to medial
// distance is large
scalar maxThicknessToMedialRatio() const
{
return maxThicknessToMedialRatio_;
}
const Switch& additionalReporting() const
{
return additionalReporting_;
}
//- Angle used to pick up medial axis points