nearWallDistNoSearch.C

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    Copyright (C) 2011-2016 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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    under the terms of the GNU General Public License as published by
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    (at your option) any later version.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "nearWallDistNoSearch.H"
#include "fvMesh.H"
#include "wallFvPatch.H"
#include "surfaceFields.H"
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::nearWallDistNoSearch::doAll()
{
    const volVectorField& cellCentres = mesh_.C();
    const fvPatchList& patches = mesh_.boundary();
 
    forAll(patches, patchi)
    {
        fvPatchScalarField& ypatch = operator[](patchi);
 
        if (isA<wallFvPatch>(patches[patchi]))
        {
            const labelUList& faceCells = patches[patchi].faceCells();
 
            const fvPatchVectorField& patchCentres
                = cellCentres.boundaryField()[patchi];
 
            const fvsPatchVectorField& Apatch
                = mesh_.Sf().boundaryField()[patchi];
 
            const fvsPatchScalarField& magApatch
                = mesh_.magSf().boundaryField()[patchi];
 
            forAll(patchCentres, facei)
            {
                ypatch[facei] =
                (
                    Apatch[facei] &
                    (
                        patchCentres[facei]
                      - cellCentres[faceCells[facei]]
                    )
                )/magApatch[facei];
            }
        }
        else
        {
            ypatch = 0.0;
        }
    }
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::nearWallDistNoSearch::nearWallDistNoSearch(const Foam::fvMesh& mesh)
:
    volScalarField::Boundary
    (
        mesh.boundary(),
        mesh.V(),           // Dummy internal field
        fvPatchFieldBase::calculatedType()
    ),
    mesh_(mesh)
{
    doAll();
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::nearWallDistNoSearch::~nearWallDistNoSearch()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::nearWallDistNoSearch::correct()
{
    if (mesh_.changing())
    {
        // Update size of Boundary
        forAll(mesh_.boundary(), patchi)
        {
            operator[](patchi).setSize(mesh_.boundary()[patchi].size());
        }
    }
 
    doAll();
}
 
 
// ************************************************************************* //