/
autoLayerDriver.H
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/
autoLayerDriver.H
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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
\\/ 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::autoLayerDriver
Description
All to do with adding layers
SourceFiles
autoLayerDriver.C
\*---------------------------------------------------------------------------*/
#ifndef autoLayerDriver_H
#define autoLayerDriver_H
#include "meshRefinement.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// Forward declaration of classes
class removePoints;
class pointSet;
class motionSmoother;
class addPatchCellLayer;
class pointData;
class faceSet;
class layerParameters;
/*---------------------------------------------------------------------------*\
Class autoLayerDriver Declaration
\*---------------------------------------------------------------------------*/
class autoLayerDriver
{
// Static data members
//- Extrusion controls
enum extrudeMode
{
NOEXTRUDE, /*!< Do not extrude. No layers added. */
EXTRUDE, /*!< Extrude */
EXTRUDEREMOVE /*!< Extrude but afterwards remove added */
/*!< faces locally */
};
// Private classes
//- Combine operator class to combine normal with other normal.
class nomalsCombine
{
public:
void operator()(vector& x, const vector& y) const
{
if (y != point::max)
{
if (x == point::max)
{
x = y;
}
else
{
x *= (x&y);
}
}
}
};
// Private data
//- Mesh+surface
meshRefinement& meshRefiner_;
//- From surface region to patch
const labelList globalToPatch_;
// Private Member Functions
// Layers
//- For debugging: Dump displacement to .obj files
static void dumpDisplacement
(
const fileName&,
const indirectPrimitivePatch&,
const vectorField&,
const List<extrudeMode>&
);
//- Check that primitivePatch is not multiply connected.
// Collect non-manifold points in pointSet.
static void checkManifold
(
const indirectPrimitivePatch&,
pointSet& nonManifoldPoints
);
//- Check that mesh outside is not multiply connected.
void checkMeshManifold() const;
// Static extrusion setup
//- Unset extrusion on point. Returns true if anything unset.
static bool unmarkExtrusion
(
const label patchPointI,
pointField& patchDisp,
labelList& patchNLayers,
List<extrudeMode>& extrudeStatus
);
//- Unset extrusion on face. Returns true if anything unset.
static bool unmarkExtrusion
(
const face& localFace,
pointField& patchDisp,
labelList& patchNLayers,
List<extrudeMode>& extrudeStatus
);
//- No extrusion at non-manifold points.
void handleNonManifolds
(
const indirectPrimitivePatch& pp,
const labelList& meshEdges,
const labelListList& edgeGlobalFaces,
pointField& patchDisp,
labelList& patchNLayers,
List<extrudeMode>& extrudeStatus
) const;
//- No extrusion on feature edges. Assumes non-manifold
// edges already handled.
void handleFeatureAngle
(
const indirectPrimitivePatch& pp,
const labelList& meshEdges,
const scalar minCos,
pointField& patchDisp,
labelList& patchNLayers,
List<extrudeMode>& extrudeStatus
) const;
//- No extrusion on warped faces
void handleWarpedFaces
(
const indirectPrimitivePatch& pp,
const scalar faceRatio,
const scalar edge0Len,
const labelList& cellLevel,
pointField& patchDisp,
labelList& patchNLayers,
List<extrudeMode>& extrudeStatus
) const;
//- Determine the number of layers per point from the number of
// layers per surface.
void setNumLayers
(
const labelList& patchToNLayers,
const labelList& patchIDs,
const indirectPrimitivePatch& pp,
pointField& patchDisp,
labelList& patchNLayers,
List<extrudeMode>& extrudeStatus
) const;
//- Grow no-extrusion layer.
void growNoExtrusion
(
const indirectPrimitivePatch& pp,
pointField& patchDisp,
labelList& patchNLayers,
List<extrudeMode>& extrudeStatus
) const;
//- See what patches boundaryedges should be extruded into
void determineSidePatches
(
const globalIndex& globalFaces,
const labelListList& edgeGlobalFaces,
const indirectPrimitivePatch& pp,
labelList& sidePatchID
);
//- Calculate pointwise wanted and minimum thickness.
// thickness: wanted thickness
// minthickness: when to give up and not extrude
// Gets per patch parameters and determine pp pointwise
// parameters.
void calculateLayerThickness
(
const indirectPrimitivePatch& pp,
const labelList& patchIDs,
const scalarField& patchExpansionRatio,
const bool relativeSizes,
const scalarField& patchFinalLayerThickness,
const scalarField& patchMinThickness,
const labelList& cellLevel,
const labelList& patchNLayers,
const scalar edge0Len,
scalarField& thickness,
scalarField& minThickness,
scalarField& expansionRatio
) const;
// Extrusion execution
//- Synchronize displacement among coupled patches.
void syncPatchDisplacement
(
const motionSmoother& meshMover,
const scalarField& minThickness,
pointField& patchDisp,
labelList& patchNLayers,
List<extrudeMode>& extrudeStatus
) const;
//- Get nearest point on surface to snap to
void getPatchDisplacement
(
const motionSmoother& meshMover,
const scalarField& thickness,
const scalarField& minThickness,
pointField& patchDisp,
labelList& patchNLayers,
List<extrudeMode>& extrudeStatus
) const;
//- for truncateDisplacement: find strings of edges
bool sameEdgeNeighbour
(
const labelListList& globalEdgeFaces,
const label myGlobalFaceI,
const label nbrGlobFaceI,
const label edgeI
) const;
//- for truncateDisplacement: find strings of edges
void getVertexString
(
const indirectPrimitivePatch& pp,
const labelListList& globalEdgeFaces,
const label faceI,
const label edgeI,
const label myGlobFaceI,
const label nbrGlobFaceI,
DynamicList<label>& vertices
) const;
//- Truncates displacement
// - for all patchFaces in the faceset displacement gets set
// to zero
// - all displacement < minThickness gets set to zero
// - all non-consecutive extrusions get set to 0
label truncateDisplacement
(
const globalIndex& globalFaces,
const labelListList& edgeGlobalFaces,
const motionSmoother& meshMover,
const scalarField& minThickness,
const faceSet& illegalPatchFaces,
pointField& patchDisp,
labelList& patchNLayers,
List<extrudeMode>& extrudeStatus
) const;
//- Setup layer information (at points and faces) to
// modify mesh topology in
// regions where layer mesh terminates. Guarantees an
// optional slow decreasing of the number of layers.
// Returns the number of layers per face and per point
// to go into the actual layer addition engine.
void setupLayerInfoTruncation
(
const motionSmoother& meshMover,
const labelList& patchNLayers,
const List<extrudeMode>& extrudeStatus,
const label nBufferCellsNoExtrude,
labelList& nPatchPointLayers,
labelList& nPatchFaceLayers
) const;
//- Does any of the cells use a face from faces?
static bool cellsUseFace
(
const polyMesh& mesh,
const labelList& cellLabels,
const labelHashSet& faces
);
//- Checks the newly added cells and locally unmarks points
// so they will not get extruded next time round. Returns
// global number of unmarked points (0 if all was fine)
static label checkAndUnmark
(
const addPatchCellLayer& addLayer,
const dictionary& motionDict,
const bool additionalReporting,
const List<labelPair>& baffles,
const indirectPrimitivePatch& pp,
const fvMesh&,
pointField& patchDisp,
labelList& patchNLayers,
List<extrudeMode>& extrudeStatus
);
//- Count global number of extruded faces
static label countExtrusion
(
const indirectPrimitivePatch& pp,
const List<extrudeMode>& extrudeStatus
);
//- Collect layer faces and layer cells into bools
// for ease of handling
static void getLayerCellsFaces
(
const polyMesh&,
const addPatchCellLayer&,
boolList&,
boolList&
);
// Mesh shrinking (to create space for layers)
//- Average field (over all subset of mesh points) by
// summing contribution from edges. Global parallel since only
// does master edges for coupled edges.
template<class Type>
static void averageNeighbours
(
const polyMesh& mesh,
const PackedBoolList& isMasterEdge,
const labelList& meshEdges,
const labelList& meshPoints,
const edgeList& edges,
const scalarField& invSumWeight,
const Field<Type>& data,
Field<Type>& average
);
//- Calculate inverse sum of edge weights (currently always 1.0)
void sumWeights
(
const PackedBoolList& isMasterEdge,
const labelList& meshEdges,
const labelList& meshPoints,
const edgeList& edges,
scalarField& invSumWeight
) const;
//- Smooth scalar field on patch
void smoothField
(
const motionSmoother& meshMover,
const PackedBoolList& isMasterEdge,
const labelList& meshEdges,
const scalarField& fieldMin,
const label nSmoothDisp,
scalarField& field
) const;
//- Smooth normals on patch.
void smoothPatchNormals
(
const motionSmoother& meshMover,
const PackedBoolList& isMasterEdge,
const labelList& meshEdges,
const label nSmoothDisp,
pointField& normals
) const;
//- Smooth normals in interior.
void smoothNormals
(
const label nSmoothDisp,
const PackedBoolList& isMasterEdge,
const labelList& fixedPoints,
pointVectorField& normals
) const;
bool isMaxEdge
(
const List<pointData>&,
const label edgeI,
const scalar minCos
) const;
//- Stop layer growth where mesh wraps around edge with a
// large feature angle
void handleFeatureAngleLayerTerminations
(
const indirectPrimitivePatch& pp,
const scalar minCos,
List<extrudeMode>& extrudeStatus,
pointField& patchDisp,
labelList& patchNLayers,
label& nPointCounter
) const;
//- Find isolated islands (points, edges and faces and
// layer terminations)
// in the layer mesh and stop any layer growth at these points.
void findIsolatedRegions
(
const indirectPrimitivePatch& pp,
const PackedBoolList& isMasterEdge,
const labelList& meshEdges,
const scalar minCosLayerTermination,
scalarField& field,
List<extrudeMode>& extrudeStatus,
pointField& patchDisp,
labelList& patchNLayers
) const;
// Calculate medial axis fields
void medialAxisSmoothingInfo
(
const motionSmoother& meshMover,
const label nSmoothNormals,
const label nSmoothSurfaceNormals,
const scalar minMedianAxisAngleCos,
pointVectorField& dispVec,
pointScalarField& medialRatio,
pointScalarField& medialDist
) const;
//- Main routine to shrink mesh
void shrinkMeshMedialDistance
(
motionSmoother& meshMover,
const dictionary& meshQualityDict,
const List<labelPair>& baffles,
const label nSmoothThickness,
const scalar maxThicknessToMedialRatio,
const label nAllowableErrors,
const label nSnap,
const scalar minCosLayerTermination,
const scalarField& layerThickness,
const scalarField& minThickness,
const pointVectorField& dispVec,
const pointScalarField& medialRatio,
const pointScalarField& medialDist,
List<extrudeMode>& extrudeStatus,
pointField& patchDisp,
labelList& patchNLayers
) const;
//- Disallow default bitwise copy construct
autoLayerDriver(const autoLayerDriver&);
//- Disallow default bitwise assignment
void operator=(const autoLayerDriver&);
public:
//- Runtime type information
ClassName("autoLayerDriver");
// Constructors
//- Construct from components
autoLayerDriver
(
meshRefinement& meshRefiner,
const labelList& globalToPatch
);
// Member Functions
//- Merge patch faces on same cell.
void mergePatchFacesUndo
(
const layerParameters& layerParams,
const dictionary& motionDict
);
//- Add cell layers
void addLayers
(
const layerParameters& layerParams,
const dictionary& motionDict,
const labelList& patchIDs,
const label nAllowableErrors,
decompositionMethod& decomposer,
fvMeshDistribute& distributor
);
//- Add layers according to the dictionary settings
void doLayers
(
const dictionary& shrinkDict,
const dictionary& motionDict,
const layerParameters& layerParams,
const bool preBalance, // balance before adding?
decompositionMethod& decomposer,
fvMeshDistribute& distributor
);
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
# include "autoLayerDriverTemplates.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //