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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2026 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::coupledPolyPatch
Description
The coupledPolyPatch is an abstract base class for patches that couple
regions of the computational domain e.g. cyclic and processor-processor
links.
SourceFiles
coupledPolyPatch.C
\*---------------------------------------------------------------------------*/
#ifndef coupledPolyPatch_H
#define coupledPolyPatch_H
#include "polyPatch.H"
#include "transformer.H"
#include "diagTensorField.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class coupledPolyPatch Declaration
\*---------------------------------------------------------------------------*/
class coupledPolyPatch
:
public polyPatch
{
private:
// Private Member Functions
//- Walk the given primitive patch. Starts at the given seed face and
// point within that face. Traverses through the next available
// manifold edge to an as yet unvisited face. Stores the order in
// which faces are visited and the point/edge through which they are
// first walked into. Direction reverses the order in which face-edges
// are considered. For two conformal patches, with the same seed face
// and point, the maps are guaranteed to match. They can therefore be
// used for ordering purposes. This can also be used to identify
// contiguous regions of the patch.
bool walk
(
const primitivePatch& pp,
const bool direction,
const label seedFacei,
const label seedFacePointi,
labelList& faceMap,
labelList& facePointMap,
label& mapFacei,
autoPtr<labelListList>& walks
) const;
protected:
// Protected Classes
//- Data to pass from owner.initOrder to owner.order
struct ownToOwnOrderData
{
labelList seedFaceis;
};
//- Data to pass from owner.initOrder to nbr.order
struct ownToNbrOrderData
{
List<pointField> seedFacePoints;
inline void transform(const transformer& tr)
{
forAll(seedFacePoints, regioni)
{
tr.transformPosition
(
seedFacePoints[regioni],
seedFacePoints[regioni]
);
}
}
};
//- Data to pass from owner.initOrder to nbr.order if debugging
struct ownToNbrDebugOrderData
{
label nFaces;
label nPoints;
label nEdges;
label nInternalEdges;
inline void transform(const transformer& tr)
{}
};
// Protected Data
//- Default matching tolerance
static const scalar defaultMatchTol_;
//- Local matching tolerance
const scalar matchTolerance_;
//- Data to pass from owner.initOrder to owner.order
mutable autoPtr<ownToOwnOrderData> ownToOwnOrderDataPtr_;
// Protected Member Functions
//- Initialise the calculation of the patch geometry
virtual void initCalcGeometry(PstreamBuffers&) = 0;
//- Calculate the patch geometry
virtual void calcGeometry(PstreamBuffers&) = 0;
//- Initialise the patches for moving points
virtual void initMovePoints(PstreamBuffers&, const pointField&) = 0;
//- Correct patches after moving points
virtual void movePoints(PstreamBuffers&, const pointField&) = 0;
//- Initialise the update of the patch topology
virtual void initTopoChange(PstreamBuffers&) = 0;
//- Update of the patch topology
virtual void topoChange(PstreamBuffers&) = 0;
//- Write a patch in OBJ format
static void writeOBJ
(
const fileName&,
const primitivePatch&
);
//- Write lines between two lists of points in OBJ format
static void writeOBJ
(
const fileName&,
const pointField&,
const pointField&
);
//- Write a set of paths in OBJ format
static void writeOBJ
(
const fileName&,
const pointField&,
const labelListList&
);
//- Initialise ordering for the given primitivePatch. Fills the
// referenced data structures, but leaves transferring them to the
// opposite patch to the caller.
virtual void initOrder
(
ownToNbrOrderData& ownToNbr,
autoPtr<ownToNbrDebugOrderData>& ownToNbrDebugPtr,
const primitivePatch&
) const;
//- Return new ordering for the given primitivePatch.
// Ordering is -faceMap: for every face
// index of the new face -rotation:for every new face the clockwise
// shift of the original face. Return false if nothing changes
// (faceMap is identity, rotation is 0), true otherwise.
virtual bool order
(
const ownToNbrOrderData& ownToNbr,
const autoPtr<ownToNbrDebugOrderData>& ownToNbrDebugPtr,
const primitivePatch&,
labelList& faceMap,
labelList& rotation
) const;
public:
//- Runtime type information
TypeName("coupled");
// Constructors
//- Construct from components
coupledPolyPatch
(
const word& name,
const label size,
const label start,
const label index,
const polyBoundaryMesh& bm
);
//- Construct from dictionary
coupledPolyPatch
(
const word& name,
const dictionary& dict,
const label index,
const polyBoundaryMesh& bm
);
//- Construct as copy, resetting the boundary mesh
coupledPolyPatch(const coupledPolyPatch&, const polyBoundaryMesh&);
//- Construct given the original patch and resetting the
// face list and boundary mesh information
coupledPolyPatch
(
const coupledPolyPatch& pp,
const polyBoundaryMesh& bm,
const label index,
const label newSize,
const label newStart
);
//- Destructor
virtual ~coupledPolyPatch();
// Member Functions
// Access
//- Return true because this patch is coupled
virtual bool coupled() const
{
return true;
}
//- Does this side own the patch ?
virtual bool owner() const = 0;
//- Does the coupled side own the patch ?
virtual bool neighbour() const
{
return !owner();
}
//- Return transformation between the coupled patches
virtual const transformer& transform() const = 0;
//- Return the matching tolerance
scalar matchTolerance() const
{
return matchTolerance_;
}
//- Initialise ordering for primitivePatch. Does not
// refer to *this (except for name() and type() etc.)
virtual void initOrder
(
PstreamBuffers&,
const primitivePatch&
) const = 0;
//- Return new ordering for primitivePatch.
// Ordering is -faceMap: for every face
// index of the new face -rotation:for every new face the clockwise
// shift of the original face. Return false if nothing changes
// (faceMap is identity, rotation is 0), true otherwise.
virtual bool order
(
PstreamBuffers&,
const primitivePatch&,
labelList& faceMap,
labelList& rotation
) const = 0;
//- Calculate typical tolerance per face. Is currently max distance
// from face centre to any of the face vertices.
static scalarField calcFaceTol
(
const UList<face>& faces,
const pointField& points,
const pointField& faceCentres
);
//- Write the polyPatch data as a dictionary
virtual void write(Ostream&) const;
// IOstream Operators
friend Istream& operator>>(Istream&, ownToNbrOrderData&);
friend Ostream& operator<<(Ostream&, const ownToNbrOrderData&);
friend Istream& operator>>(Istream&, ownToNbrDebugOrderData&);
friend Ostream& operator<<(Ostream&, const ownToNbrDebugOrderData&);
};
Istream& operator>>(Istream&, coupledPolyPatch::ownToNbrOrderData&);
Ostream& operator<<(Ostream&, const coupledPolyPatch::ownToNbrOrderData&);
Istream& operator>>(Istream&, coupledPolyPatch::ownToNbrDebugOrderData&);
Ostream& operator<<(Ostream&, const coupledPolyPatch::ownToNbrDebugOrderData&);
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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