patchDistanceToCell.C

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License
    This file is part of OpenFOAM.
 
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#include "patchDistanceToCell.H"
#include "patchDistWave.H"
#include "wallPoint.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    defineTypeNameAndDebug(patchDistanceToCell, 0);
    addToRunTimeSelectionTable(topoSetSource, patchDistanceToCell, word);
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::patchDistanceToCell::combine(topoSet& set, const bool add) const
{
    // Mesh wave to determine wall distance
    scalarField distance(mesh_.nCells());
    patchDistWave::calculate
    (
        mesh_,
        mesh_.boundaryMesh().patchSet(patches_),
        distance
    );
 
    // Add cells below the distance threshold to the set
    forAll(distance, celli)
    {
        if (distance[celli] < distance_)
        {
            addOrDelete(set, celli, add);
        }
    }
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::patchDistanceToCell::patchDistanceToCell
(
    const polyMesh& mesh,
    const dictionary& dict
)
:
    topoSetSource(mesh),
    patches_
    (
        dict.found("patches")
      ? dict.lookup<wordReList>("patches")
      : wordReList(1, dict.lookup<wordRe>("patch"))
    ),
    distance_(dict.lookup<scalar>("distance", dimLength))
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::patchDistanceToCell::~patchDistanceToCell()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::patchDistanceToCell::applyToSet
(
    const topoSetSource::setAction action,
    topoSet& set
) const
{
    if ((action == topoSetSource::NEW) || (action == topoSetSource::ADD))
    {
        Info<< "    Adding cells a distance less than " << distance_
            << " from patches " << patches_ << " ..." << endl;
 
        combine(set, true);
    }
    else if (action == topoSetSource::DELETE)
    {
        Info<< "    Removing cells a distance less than " << distance_
            << " from patches " << patches_ << " ..." << endl;
 
        combine(set, false);
    }
}
 
 
// ************************************************************************* //