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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::sampledSurfaces::triSurface
Description
A sampledSurface from a triSurface. It samples on the points/triangles
of the triSurface. It either samples cells or (non-coupled) boundary faces.
There are 6 possible modes:
- source=cells, interpolate=false:
Finds per triangle centre the nearest cell centre and uses its value.
- source=cells, interpolate=true
Finds per triangle centre the nearest cell centre. Per surface point
checks if this nearest cell is the one containing point; otherwise
projects the point onto the nearest point on the boundary of the cell
(to make sure interpolateCellPoint gets a valid location)
- source=insideCells, interpolate=false:
Finds per triangle centre the cell containing it and uses its value.
Trims triangles outside mesh.
- source=insideCells, interpolate=true
Per surface point interpolate cell containing it.
- source=boundaryFaces, interpolate=false:
Finds per triangle centre the nearest point on the boundary (uncoupled
faces only) and uses the value (or 0 if the nearest is on an empty
boundary).
- source=boundaryFaces, interpolate=true:
Finds per triangle centre the nearest point on the boundary (uncoupled
faces only). Per surface point projects the point onto this boundary
face (to make sure interpolateCellPoint gets a valid location)
Since it finds a nearest per triangle each triangle is guaranteed to be on
one processor only. So after stitching (by sampledSurfaces) the original
surface should be complete.
Example:
\verbatim
{
type triSurface;
surface "surface.stl";
source cells;
interpolate yes;
}
\endverbatim
Usage
\table
Property | Description | Required | Default value
surface | the surface file (within constant/triSurface) | yes |
source | see above | yes | no
interpolate | see above | no | no
\endtable
SourceFiles
sampledTriSurface.C
\*---------------------------------------------------------------------------*/
#ifndef sampledTriSurface_H
#define sampledTriSurface_H
#include "sampledSurface.H"
#include "triSurface_searchableSurface.H"
#include "MeshedSurface.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
class treeDataFace;
namespace sampledSurfaces
{
/*---------------------------------------------------------------------------*\
Class triSurface Declaration
\*---------------------------------------------------------------------------*/
class triSurface
:
public sampledSurface,
public MeshedSurface<face>
{
public:
// Public Typedefs
//- Types of communications
enum samplingSource
{
cells,
insideCells,
boundaryFaces,
};
//- Names of communication types
static const NamedEnum<samplingSource, 3> samplingSourceNames_;
private:
// Private Data
//- Surface to sample on
const searchableSurfaces::triSurface surface_;
//- Whether to sample internal cell values or boundary values
const samplingSource sampleSource_;
//- Track if the surface needs an update
mutable bool needsUpdate_;
//- Search tree for all non-coupled boundary faces
mutable autoPtr<indexedOctree<treeDataFace>> boundaryTreePtr_;
//- From local surface triangle to mesh cell/face.
labelList sampleElements_;
//- Local points to sample per point
pointField samplePoints_;
// Private Member Functions
//- Get tree of all non-coupled boundary faces
const indexedOctree<treeDataFace>& nonCoupledboundaryTree() const;
//- Sample field on surface
template<class Type>
tmp<Field<Type>> sampleField
(
const VolField<Type>& vField
) const;
//- Interpolate field on surface
template<class Type>
tmp<Field<Type>>
interpolateField(const interpolation<Type>&) const;
public:
//- Runtime type information
TypeName("triSurface");
// Constructors
//- Construct from components
triSurface
(
const word& name,
const polyMesh& mesh,
const word& surfaceName,
const samplingSource sampleSource
);
//- Construct from dictionary
triSurface
(
const word& name,
const polyMesh& mesh,
const dictionary& dict
);
//- Construct from triSurface
triSurface
(
const word& name,
const polyMesh& mesh,
const Foam::triSurface& surface,
const word& sampleSourceName
);
//- Destructor
virtual ~triSurface();
// Member Functions
//- Does the surface need an update?
virtual bool needsUpdate() const;
//- Update the surface as required.
// Do nothing (and return false) if no update was needed
virtual bool update();
//- Points of surface
virtual const pointField& points() const
{
return MeshedSurface<face>::points();
}
//- Faces of surface
virtual const faceList& faces() const
{
return MeshedSurface<face>::faces();
}
//- Sample field on the surface's faces
#define DEFINE_SAMPLE(Type, nullArg) \
virtual tmp<Field<Type>> sample \
( \
const VolField<Type>& \
) const;
FOR_ALL_FIELD_TYPES(DEFINE_SAMPLE);
#undef DEFINE_SAMPLE
//- Interpolate field to the surface's points
#define DEFINE_INTERPOLATE(Type, nullArg) \
virtual tmp<Field<Type>> interpolate \
( \
const interpolation<Type>& \
) const;
FOR_ALL_FIELD_TYPES(DEFINE_INTERPOLATE);
#undef DEFINE_INTERPOLATE
//- Update for mesh point-motion
virtual void movePoints();
//- Update topology using the given map
virtual void topoChange(const polyTopoChangeMap&);
//- Update from another mesh using the given map
virtual void mapMesh(const polyMeshMap&);
//- Redistribute or update using the given distribution map
virtual void distribute(const polyDistributionMap&);
//- Write
virtual void print(Ostream&) const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace sampledSurfaces
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
#include "sampledTriSurfaceTemplates.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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