mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
609 lines
21 KiB
C++
609 lines
21 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2011-2013 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::autoLayerDriver
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Description
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All to do with adding layers
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SourceFiles
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autoLayerDriver.C
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autoLayerDriverShrink.C
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\*---------------------------------------------------------------------------*/
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#ifndef autoLayerDriver_H
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#define autoLayerDriver_H
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#include "meshRefinement.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// Forward declaration of classes
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class removePoints;
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class pointSet;
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class motionSmoother;
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class addPatchCellLayer;
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class pointData;
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class faceSet;
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class layerParameters;
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/*---------------------------------------------------------------------------*\
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Class autoLayerDriver Declaration
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\*---------------------------------------------------------------------------*/
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class autoLayerDriver
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{
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// Static data members
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//- Extrusion controls
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enum extrudeMode
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{
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NOEXTRUDE, /*!< Do not extrude. No layers added. */
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EXTRUDE, /*!< Extrude */
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EXTRUDEREMOVE /*!< Extrude but afterwards remove added */
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/*!< faces locally */
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};
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// Private classes
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//- Combine operator class to combine normal with other normal.
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class nomalsCombine
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{
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public:
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void operator()(vector& x, const vector& y) const
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{
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if (y != point::max)
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{
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if (x == point::max)
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{
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x = y;
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}
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else
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{
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x *= (x&y);
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}
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}
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}
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};
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// Private data
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//- Mesh+surface
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meshRefinement& meshRefiner_;
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//- From surface region to patch
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const labelList globalToMasterPatch_;
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//- From surface region to patch
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const labelList globalToSlavePatch_;
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// Private Member Functions
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// Layers
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//- For debugging: Dump displacement to .obj files
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static void dumpDisplacement
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(
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const fileName&,
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const indirectPrimitivePatch&,
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const vectorField&,
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const List<extrudeMode>&
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);
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//- Average point wise data to face wise
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static tmp<scalarField> avgPointData
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(
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const indirectPrimitivePatch&,
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const scalarField& pointFld
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);
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//- Check that primitivePatch is not multiply connected.
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// Collect non-manifold points in pointSet.
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static void checkManifold
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(
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const indirectPrimitivePatch&,
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pointSet& nonManifoldPoints
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);
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//- Check that mesh outside is not multiply connected.
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void checkMeshManifold() const;
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// Static extrusion setup
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//- Unset extrusion on point. Returns true if anything unset.
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static bool unmarkExtrusion
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(
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const label patchPointI,
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pointField& patchDisp,
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labelList& patchNLayers,
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List<extrudeMode>& extrudeStatus
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);
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//- Unset extrusion on face. Returns true if anything unset.
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static bool unmarkExtrusion
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(
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const face& localFace,
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pointField& patchDisp,
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labelList& patchNLayers,
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List<extrudeMode>& extrudeStatus
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);
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//- No extrusion at non-manifold points.
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void handleNonManifolds
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(
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const indirectPrimitivePatch& pp,
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const labelList& meshEdges,
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const labelListList& edgeGlobalFaces,
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pointField& patchDisp,
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labelList& patchNLayers,
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List<extrudeMode>& extrudeStatus
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) const;
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//- No extrusion on feature edges. Assumes non-manifold
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// edges already handled.
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void handleFeatureAngle
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(
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const indirectPrimitivePatch& pp,
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const labelList& meshEdges,
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const scalar minCos,
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pointField& patchDisp,
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labelList& patchNLayers,
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List<extrudeMode>& extrudeStatus
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) const;
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//- No extrusion on warped faces
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void handleWarpedFaces
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(
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const indirectPrimitivePatch& pp,
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const scalar faceRatio,
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const scalar edge0Len,
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const labelList& cellLevel,
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pointField& patchDisp,
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labelList& patchNLayers,
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List<extrudeMode>& extrudeStatus
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) const;
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//- Determine the number of layers per point from the number of
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// layers per surface.
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void setNumLayers
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(
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const labelList& patchToNLayers,
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const labelList& patchIDs,
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const indirectPrimitivePatch& pp,
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pointField& patchDisp,
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labelList& patchNLayers,
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List<extrudeMode>& extrudeStatus,
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label& nIdealAddedCells
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) const;
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//- Helper function to make a pointVectorField with correct
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// bcs for layer addition:
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// - numLayers > 0 : fixedValue
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// - numLayers == 0 : fixedValue (always zero)
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// - processor : calculated (so free to move)
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// - cyclic/wedge/symmetry : slip
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// - other : slip
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static tmp<pointVectorField> makeLayerDisplacementField
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(
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const pointMesh& pMesh,
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const labelList& numLayers
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);
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//- Grow no-extrusion layer.
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void growNoExtrusion
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(
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const indirectPrimitivePatch& pp,
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pointField& patchDisp,
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labelList& patchNLayers,
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List<extrudeMode>& extrudeStatus
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) const;
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//- See what patches boundaryedges should be extruded into
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void determineSidePatches
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(
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const globalIndex& globalFaces,
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const labelListList& edgeGlobalFaces,
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const indirectPrimitivePatch& pp,
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labelList& sidePatchID
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);
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//- Calculate pointwise wanted and minimum thickness.
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// thickness: wanted thickness
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// minthickness: when to give up and not extrude
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// Gets per patch parameters and determine pp pointwise
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// parameters.
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void calculateLayerThickness
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(
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const indirectPrimitivePatch& pp,
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const labelList& patchIDs,
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const layerParameters& layerParams,
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const labelList& cellLevel,
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const labelList& patchNLayers,
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const scalar edge0Len,
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scalarField& thickness,
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scalarField& minThickness,
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scalarField& expansionRatio
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) const;
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// Extrusion execution
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//- Synchronize displacement among coupled patches.
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void syncPatchDisplacement
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(
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const indirectPrimitivePatch& pp,
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const scalarField& minThickness,
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pointField& patchDisp,
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labelList& patchNLayers,
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List<extrudeMode>& extrudeStatus
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) const;
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//- Get nearest point on surface to snap to
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void getPatchDisplacement
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(
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const motionSmoother& meshMover,
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const scalarField& thickness,
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const scalarField& minThickness,
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pointField& patchDisp,
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labelList& patchNLayers,
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List<extrudeMode>& extrudeStatus
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) const;
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//- for truncateDisplacement: find strings of edges
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bool sameEdgeNeighbour
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(
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const labelListList& globalEdgeFaces,
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const label myGlobalFaceI,
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const label nbrGlobFaceI,
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const label edgeI
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) const;
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//- for truncateDisplacement: find strings of edges
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void getVertexString
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(
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const indirectPrimitivePatch& pp,
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const labelListList& globalEdgeFaces,
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const label faceI,
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const label edgeI,
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const label myGlobFaceI,
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const label nbrGlobFaceI,
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DynamicList<label>& vertices
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) const;
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//- Truncates displacement
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// - for all patchFaces in the faceset displacement gets set
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// to zero
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// - all displacement < minThickness gets set to zero
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// - all non-consecutive extrusions get set to 0
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label truncateDisplacement
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(
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const globalIndex& globalFaces,
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const labelListList& edgeGlobalFaces,
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const motionSmoother& meshMover,
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const scalarField& minThickness,
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const faceSet& illegalPatchFaces,
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pointField& patchDisp,
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labelList& patchNLayers,
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List<extrudeMode>& extrudeStatus
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) const;
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//- Setup layer information (at points and faces) to
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// modify mesh topology in
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// regions where layer mesh terminates. Guarantees an
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// optional slow decreasing of the number of layers.
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// Returns the number of layers per face and per point
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// to go into the actual layer addition engine.
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void setupLayerInfoTruncation
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(
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const motionSmoother& meshMover,
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const labelList& patchNLayers,
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const List<extrudeMode>& extrudeStatus,
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const label nBufferCellsNoExtrude,
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labelList& nPatchPointLayers,
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labelList& nPatchFaceLayers
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) const;
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//- Does any of the cells use a face from faces?
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static bool cellsUseFace
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(
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const polyMesh& mesh,
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const labelList& cellLabels,
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const labelHashSet& faces
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);
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//- Checks the newly added cells and locally unmarks points
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// so they will not get extruded next time round. Returns
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// global number of unmarked points (0 if all was fine)
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static label checkAndUnmark
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(
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const addPatchCellLayer& addLayer,
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const dictionary& motionDict,
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const bool additionalReporting,
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const List<labelPair>& baffles,
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const indirectPrimitivePatch& pp,
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const fvMesh&,
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pointField& patchDisp,
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labelList& patchNLayers,
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List<extrudeMode>& extrudeStatus
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);
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//- Count global number of extruded faces
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static label countExtrusion
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(
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const indirectPrimitivePatch& pp,
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const List<extrudeMode>& extrudeStatus
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);
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//- Collect layer faces and layer cells into bools
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// for ease of handling
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static void getLayerCellsFaces
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(
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const polyMesh&,
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const addPatchCellLayer&,
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const scalarField& oldRealThickness,
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labelList& cellStatus,
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scalarField& faceRealThickness
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);
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//- Write cellSet,faceSet for layers
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bool writeLayerData
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(
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const fvMesh& mesh,
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const labelList& patchIDs,
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const labelList& cellNLayers,
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const scalarField& faceWantedThickness,
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const scalarField& faceRealThickness
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) const;
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// Mesh shrinking (to create space for layers)
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//- Average field (over all subset of mesh points) by
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// summing contribution from edges. Global parallel since only
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// does master edges for coupled edges.
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template<class Type>
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static void averageNeighbours
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(
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const polyMesh& mesh,
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const PackedBoolList& isMasterEdge,
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const labelList& meshEdges,
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const labelList& meshPoints,
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const edgeList& edges,
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const scalarField& invSumWeight,
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const Field<Type>& data,
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Field<Type>& average
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);
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//- Calculate inverse sum of edge weights (currently always 1.0)
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void sumWeights
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(
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const PackedBoolList& isMasterEdge,
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const labelList& meshEdges,
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const labelList& meshPoints,
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const edgeList& edges,
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scalarField& invSumWeight
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) const;
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//- Smooth scalar field on patch
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void smoothField
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(
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const motionSmoother& meshMover,
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const PackedBoolList& isMasterPoint,
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const PackedBoolList& isMasterEdge,
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const labelList& meshEdges,
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const scalarField& fieldMin,
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const label nSmoothDisp,
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scalarField& field
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) const;
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//- Smooth normals on patch.
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void smoothPatchNormals
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(
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const motionSmoother& meshMover,
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const PackedBoolList& isMasterPoint,
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const PackedBoolList& isMasterEdge,
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const labelList& meshEdges,
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const label nSmoothDisp,
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pointField& normals
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) const;
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//- Smooth normals in interior.
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void smoothNormals
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(
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const label nSmoothDisp,
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const PackedBoolList& isMasterPoint,
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const PackedBoolList& isMasterEdge,
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const labelList& fixedPoints,
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pointVectorField& normals
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) const;
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bool isMaxEdge
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(
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const List<pointData>&,
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const label edgeI,
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const scalar minCos
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) const;
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//- Stop layer growth where mesh wraps around edge with a
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// large feature angle
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void handleFeatureAngleLayerTerminations
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(
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const scalar minCos,
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const PackedBoolList& isMasterPoint,
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const indirectPrimitivePatch& pp,
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const labelList& meshEdges,
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List<extrudeMode>& extrudeStatus,
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pointField& patchDisp,
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labelList& patchNLayers,
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label& nPointCounter
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) const;
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//- Find isolated islands (points, edges and faces and
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// layer terminations)
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// in the layer mesh and stop any layer growth at these points.
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void findIsolatedRegions
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(
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const scalar minCosLayerTermination,
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const PackedBoolList& isMasterPoint,
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const PackedBoolList& isMasterEdge,
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const indirectPrimitivePatch& pp,
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const labelList& meshEdges,
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const scalarField& minThickness,
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List<extrudeMode>& extrudeStatus,
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pointField& patchDisp,
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labelList& patchNLayers
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) const;
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// Calculate medial axis fields
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void medialAxisSmoothingInfo
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(
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const motionSmoother& meshMover,
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const label nSmoothNormals,
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const label nSmoothSurfaceNormals,
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const scalar minMedianAxisAngleCos,
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const scalar featureAngle,
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pointVectorField& dispVec,
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pointScalarField& medialRatio,
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pointScalarField& medialDist,
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pointVectorField& medialVec
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) const;
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//- Main routine to shrink mesh
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void shrinkMeshMedialDistance
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(
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motionSmoother& meshMover,
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const dictionary& meshQualityDict,
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const List<labelPair>& baffles,
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const label nSmoothPatchThickness,
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const label nSmoothDisplacement,
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const scalar maxThicknessToMedialRatio,
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const label nAllowableErrors,
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const label nSnap,
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const scalar minCosLayerTermination,
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const scalarField& layerThickness,
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const scalarField& minThickness,
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const pointVectorField& dispVec,
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const pointScalarField& medialRatio,
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const pointScalarField& medialDist,
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const pointVectorField& medialVec,
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List<extrudeMode>& extrudeStatus,
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pointField& patchDisp,
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labelList& patchNLayers
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) const;
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//- Disallow default bitwise copy construct
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autoLayerDriver(const autoLayerDriver&);
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//- Disallow default bitwise assignment
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void operator=(const autoLayerDriver&);
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public:
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//- Runtime type information
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ClassName("autoLayerDriver");
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// Constructors
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//- Construct from components
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autoLayerDriver
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(
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meshRefinement& meshRefiner,
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const labelList& globalToMasterPatch,
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const labelList& globalToSlavePatch
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);
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|
|
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// Member Functions
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//- Merge patch faces on same cell.
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void mergePatchFacesUndo
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(
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const layerParameters& layerParams,
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const dictionary& motionDict
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);
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//- Add cell layers
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void addLayers
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(
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const layerParameters& layerParams,
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const dictionary& motionDict,
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const labelList& patchIDs,
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const label nAllowableErrors,
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decompositionMethod& decomposer,
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fvMeshDistribute& distributor
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);
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//- Add layers according to the dictionary settings
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void doLayers
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|
(
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const dictionary& shrinkDict,
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const dictionary& motionDict,
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const layerParameters& layerParams,
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const bool preBalance, // balance before adding?
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decompositionMethod& decomposer,
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fvMeshDistribute& distributor
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);
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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|
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
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|
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#ifdef NoRepository
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# include "autoLayerDriverTemplates.C"
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#endif
|
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|
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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|
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#endif
|
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|
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// ************************************************************************* //
|