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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::thresholdCellFaces
Description
A sampledSurface defined by the cell faces corresponding to a threshold
value.
Example:
\verbatim
{
type thresholdCellFaces;
field p;
lowerLimit 5;
upperLimit 10;
interpolate yes;
}
\endverbatim
Usage
\table
Property | Description | Required | Default value
field | the field to threshold | yes |
lowerLimit | the limit below which cells are omitted \\
| if no upperLimit | -vGreat
upperLimit | the limit above which cells are omitted \\
| if no lowerLimit | +vGreat
interpolate | interpolate values to the surface points | no | no
\endtable
SourceFiles
sampledThresholdCellFaces.C
\*---------------------------------------------------------------------------*/
#ifndef sampledThresholdCellFaces_H
#define sampledThresholdCellFaces_H
#include "sampledSurface.H"
#include "MeshedSurface.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace sampledSurfaces
{
/*---------------------------------------------------------------------------*\
Class thresholdCellFaces Declaration
\*---------------------------------------------------------------------------*/
class thresholdCellFaces
:
public sampledSurface,
public MeshedSurface<face>
{
// Private Data
//- Field to get threshold
const word fieldName_;
//- Threshold value
const scalar lowerThreshold_;
//- Threshold value
const scalar upperThreshold_;
//- Triangulated faces or keep faces as is
bool triangulate_;
//- Time at last call, also track it surface needs an update
mutable label prevTimeIndex_;
//- For every face the original cell in mesh
mutable labelList meshCells_;
// Private Member Functions
//- Create surface (if time has changed)
// Do nothing (and return false) if no update was needed
bool updateGeometry() const;
//- Sample field on faces
template<class Type>
tmp<Field<Type>> sampleField
(
const VolField<Type>& vField
) const;
template<class Type>
tmp<Field<Type>>
interpolateField(const interpolation<Type>&) const;
public:
//- Runtime type information
TypeName("thresholdCellFaces");
// Constructors
//- Construct from dictionary
thresholdCellFaces
(
const word& name,
const polyMesh&,
const dictionary&
);
//- Destructor
virtual ~thresholdCellFaces();
// Member Functions
//- Return the list of fields required
virtual wordList fields() const;
//- 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 "sampledThresholdCellFacesTemplates.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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