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365 lines
10 KiB
C++
365 lines
10 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) 1991-2010 OpenCFD Ltd.
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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::PointEdgeWave
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Description
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Wave propagation of information through grid. Every iteration
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information goes through one layer of edges. Templated on information
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that is transferred.
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Templated on information that is transferred.
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Handles parallel and cyclics. Only parallel reasonably tested. Cyclics
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hardly tested.
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Note: whether to propagate depends on the return value of Type::update
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which returns true (i.e. propagate) if the value changes by more than a
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certain tolerance.
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Note: parallel is done in two steps:
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-# transfer patch points in offset notation, i.e. every patch
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point is denoted by a patchface label and an index in this face.
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Receiving end uses that fact that f[0] is shared and order is
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reversed.
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-# do all non-local shared points by means of reduce of data on them.
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Note: cyclics is with offset in patchface as well. Patch is divided into
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two sub patches and the point-point addressing is never explicitly
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calculated but instead use is made of the face-face correspondence.
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(it probably is more efficient to calculate a point-point
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correspondence at the start and then reuse this; task to be done)
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SourceFiles
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PointEdgeWave.C
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\*---------------------------------------------------------------------------*/
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#ifndef PointEdgeWave_H
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#define PointEdgeWave_H
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#include "boolList.H"
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#include "scalarField.H"
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#include "tensorField.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 polyMesh;
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class polyPatch;
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/*---------------------------------------------------------------------------*\
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Class PointEdgeWaveName Declaration
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\*---------------------------------------------------------------------------*/
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TemplateName(PointEdgeWave);
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/*---------------------------------------------------------------------------*\
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Class PointEdgeWave Declaration
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\*---------------------------------------------------------------------------*/
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template <class Type, class TrackingData = int>
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class PointEdgeWave
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:
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public PointEdgeWaveName
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{
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// Private static data
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//- Relative tolerance. Stop propagation if relative changes
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// less than this tolerance (responsability for checking this is
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// up to Type implementation)
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static scalar propagationTol_;
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//- Used as default trackdata value to satisfy default template
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// argument.
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static label dummyTrackData_;
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// Private data
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//- Reference to mesh
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const polyMesh& mesh_;
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//- Wall information for all points
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UList<Type>& allPointInfo_;
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//- Information on all mesh edges
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UList<Type>& allEdgeInfo_;
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//- Additional data to be passed into container
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TrackingData& td_;
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//- Has point changed
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boolList changedPoint_;
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//- List of changed points
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labelList changedPoints_;
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//- Number of changed points
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label nChangedPoints_;
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//- Edges that have changed
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boolList changedEdge_;
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labelList changedEdges_;
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label nChangedEdges_;
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//- Number of cyclic patches
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label nCyclicPatches_;
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//- Number of evaluations
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label nEvals_;
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//- Number of unvisited edges/points
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label nUnvisitedPoints_;
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label nUnvisitedEdges_;
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// Private Member Functions
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//- Adapt pointInfo for leaving domain
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void leaveDomain
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(
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const polyPatch&,
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const List<label>& patchPointLabels,
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List<Type>& pointInfo
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) const;
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//- Adapt pointInfo for entering domain
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void enterDomain
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(
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const polyPatch&,
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const List<label>& patchPointLabels,
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List<Type>& pointInfo
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) const;
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//- Transform. Implementation referred to Type
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void transform
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(
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const polyPatch& patch,
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const tensorField& rotTensor,
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List<Type>& pointInfo
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) const;
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//- Updates pointInfo with information from neighbour. Updates all
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// statistics.
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bool updatePoint
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(
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const label pointI,
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const label neighbourEdgeI,
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const Type& neighbourInfo,
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Type& pointInfo
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);
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//- Updates pointInfo with information from same point. Updates all
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// statistics.
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bool updatePoint
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(
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const label pointI,
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const Type& neighbourInfo,
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Type& pointInfo
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);
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//- Updates edgeInfo with information from neighbour. Updates all
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// statistics.
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bool updateEdge
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(
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const label edgeI,
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const label neighbourPointI,
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const Type& neighbourInfo,
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Type& edgeInfo
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);
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// Parallel, cyclic
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//- Has patches of certain type?
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template <class PatchType>
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label countPatchType() const;
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//- Merge data from across processor boundaries
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void handleProcPatches();
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//- Merge data from across cyclic boundaries
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void handleCyclicPatches();
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//- Disallow default bitwise copy construct
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PointEdgeWave(const PointEdgeWave&);
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//- Disallow default bitwise assignment
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void operator=(const PointEdgeWave&);
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public:
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// Static Functions
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//- Access to tolerance
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static scalar propagationTol()
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{
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return propagationTol_;
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}
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//- Change tolerance
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static void setPropagationTol(const scalar tol)
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{
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propagationTol_ = tol;
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}
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// Constructors
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//- Construct from mesh, list of changed points with the Type
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// for these points. Gets work arrays to operate on, one of size
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// number of mesh points, the other number of mesh edges.
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// Iterates until nothing changes or maxIter reached.
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// (maxIter can be 0)
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PointEdgeWave
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(
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const polyMesh& mesh,
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const labelList& initialPoints,
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const List<Type>& initialPointsInfo,
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UList<Type>& allPointInfo,
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UList<Type>& allEdgeInfo,
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const label maxIter,
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TrackingData& td = dummyTrackData_
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);
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//- Construct from mesh. Use setPointInfo and iterate() to do
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// actual calculation
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PointEdgeWave
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(
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const polyMesh& mesh,
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UList<Type>& allPointInfo,
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UList<Type>& allEdgeInfo,
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TrackingData& td = dummyTrackData_
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);
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//- Destructor
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~PointEdgeWave();
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// Member Functions
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//- Access allPointInfo
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UList<Type>& allPointInfo() const
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{
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return allPointInfo_;
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}
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//- Access allEdgeInfo
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UList<Type>& allEdgeInfo() const
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{
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return allEdgeInfo_;
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}
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//- Additional data to be passed into container
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const TrackingData& data() const
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{
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return td_;
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}
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//- Get number of unvisited edges, i.e. edges that were not (yet)
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// reached from walking across mesh. This can happen from
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// - not enough iterations done
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// - a disconnected mesh
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// - a mesh without walls in it
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label getUnsetEdges() const;
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label getUnsetPoints() const;
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//- Copy initial data into allPointInfo_
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void setPointInfo
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(
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const labelList& changedPoints,
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const List<Type>& changedPointsInfo
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);
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//- Propagate from point to edge. Returns total number of edges
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// (over all processors) changed.
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label pointToEdge();
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//- Propagate from edge to point. Returns total number of points
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// (over all processors) changed.
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label edgeToPoint();
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//- Iterate until no changes or maxIter reached. Returns actual
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// number of iterations.
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label iterate(const label maxIter);
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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/*---------------------------------------------------------------------------*\
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Class listUpdateOp Declaration
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\*---------------------------------------------------------------------------*/
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//- List update operation
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template <class Type, class TrackingData = int>
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class listUpdateOp
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{
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//- Additional data to be passed into container
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const scalar tol_;
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TrackingData& td_;
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public:
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listUpdateOp(const scalar tol, TrackingData& td)
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:
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tol_(tol),
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td_(td)
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{}
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void operator()(List<Type>& x, const List<Type>& y) const
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{
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forAll(x, i)
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{
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if (y[i].valid(td_))
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{
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x[i].updatePoint(y[i], tol_, td_);
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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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#ifdef NoRepository
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# include "PointEdgeWave.C"
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#endif
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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