OpenFOAM-4.x-lab/src/finiteVolume/fvMesh/wallDist/nearWallDist.C
2014-12-10 22:40:10 +00:00

143 lines
3.9 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2014 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/>.
\*---------------------------------------------------------------------------*/
#include "nearWallDist.H"
#include "fvMesh.H"
#include "cellDistFuncs.H"
#include "wallFvPatch.H"
#include "surfaceFields.H"
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void Foam::nearWallDist::calculate()
{
cellDistFuncs wallUtils(mesh_);
// Get patch ids of walls
labelHashSet wallPatchIDs(wallUtils.getPatchIDs<wallPolyPatch>());
// Size neighbours array for maximum possible
labelList neighbours(wallUtils.maxPatchSize(wallPatchIDs));
// Correct all cells with face on wall
const volVectorField& cellCentres = mesh_.C();
forAll(mesh_.boundary(), patchI)
{
fvPatchScalarField& ypatch = operator[](patchI);
const fvPatch& patch = mesh_.boundary()[patchI];
if (isA<wallFvPatch>(patch))
{
const polyPatch& pPatch = patch.patch();
const labelUList& faceCells = patch.faceCells();
// Check cells with face on wall
forAll(patch, patchFaceI)
{
label nNeighbours = wallUtils.getPointNeighbours
(
pPatch,
patchFaceI,
neighbours
);
label minFaceI = -1;
ypatch[patchFaceI] = wallUtils.smallestDist
(
cellCentres[faceCells[patchFaceI]],
pPatch,
nNeighbours,
neighbours,
minFaceI
);
}
}
else
{
ypatch = 0.0;
}
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::nearWallDist::nearWallDist(const Foam::fvMesh& mesh)
:
volScalarField::GeometricBoundaryField
(
mesh.boundary(),
mesh.V(), // Dummy internal field,
calculatedFvPatchScalarField::typeName
),
mesh_(mesh)
{
calculate();
}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::nearWallDist::~nearWallDist()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void Foam::nearWallDist::correct()
{
if (mesh_.topoChanging())
{
const DimensionedField<scalar, volMesh>& V = mesh_.V();
const fvBoundaryMesh& bnd = mesh_.boundary();
this->setSize(bnd.size());
forAll(*this, patchI)
{
this->set
(
patchI,
fvPatchField<scalar>::New
(
calculatedFvPatchScalarField::typeName,
bnd[patchI],
V
)
);
}
}
calculate();
}
// ************************************************************************* //