src/regionModels/regionModel/singleLayerRegion/singleLayerRegion.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 2010-2011 OpenCFD Ltd.
   6      \\/     M anipulation  |
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of OpenFOAM.
  10
  11     OpenFOAM is free software: you can redistribute it and/or modify it
  12     under the terms of the GNU General Public License as published by
  13     the Free Software Foundation, either version 3 of the License, or
  14     (at your option) any later version.
  15
  16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
  17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19     for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 \*---------------------------------------------------------------------------*/
  25
  26 #include "singleLayerRegion.H"
  27 #include "fvMesh.H"
  28 #include "Time.H"
  29 #include "directMappedWallPolyPatch.H"
  30 #include "zeroGradientFvPatchFields.H"
  31
  32 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
  33
  34 namespace Foam
  35 {
  36 namespace regionModels
  37 {
  38     defineTypeNameAndDebug(singleLayerRegion, 0);
  39 }
  40 }
  41
  42 // * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * * //
  43
  44 void Foam::regionModels::singleLayerRegion::constructMeshObjects()
  45 {
  46     // construct patch normal vectors
  47     nHatPtr_.reset
  48     (
  49         new volVectorField
  50         (
  51             IOobject
  52             (
  53                 "nHat",
  54                 time_.timeName(),
  55                 regionMesh(),
  56                 IOobject::READ_IF_PRESENT,
  57                 NO_WRITE
  58             ),
  59             regionMesh(),
  60             dimensionedVector("zero", dimless, vector::zero),
  61             zeroGradientFvPatchField<vector>::typeName
  62         )
  63     );
  64
  65     // construct patch areas
  66     magSfPtr_.reset
  67     (
  68         new volScalarField
  69         (
  70             IOobject
  71             (
  72                 "magSf",
  73                 time_.timeName(),
  74                 regionMesh(),
  75                 IOobject::READ_IF_PRESENT,
  76                 NO_WRITE
  77             ),
  78             regionMesh(),
  79             dimensionedScalar("zero", dimArea, 0.0),
  80             zeroGradientFvPatchField<scalar>::typeName
  81         )
  82     );
  83 }
  84
  85
  86 void Foam::regionModels::singleLayerRegion::initialise()
  87 {
  88     if (debug)
  89     {
  90         Pout<< "singleLayerRegion::initialise()" << endl;
  91     }
  92
  93     label nBoundaryFaces = 0;
  94     const polyBoundaryMesh& rbm = regionMesh().boundaryMesh();
  95     volVectorField& nHat = nHatPtr_();
  96     volScalarField& magSf = magSfPtr_();
  97     forAll(intCoupledPatchIDs_, i)
  98     {
  99         const label patchI = intCoupledPatchIDs_[i];
 100         const polyPatch& pp = rbm[patchI];
 101         const labelList& fCells = pp.faceCells();
 102
 103         nBoundaryFaces += fCells.size();
 104
 105         UIndirectList<vector>(nHat, fCells) = pp.faceNormals();
 106         UIndirectList<scalar>(magSf, fCells) = mag(pp.faceAreas());
 107     }
 108     nHat.correctBoundaryConditions();
 109     magSf.correctBoundaryConditions();
 110
 111     if (nBoundaryFaces != regionMesh().nCells())
 112     {
 113         FatalErrorIn("singleLayerRegion::initialise()")
 114             << "Number of primary region coupled boundary faces not equal to "
 115             << "the number of cells in the local region" << nl << nl
 116             << "Number of cells = " << regionMesh().nCells() << nl
 117             << "Boundary faces  = " << nBoundaryFaces << nl
 118             << abort(FatalError);
 119     }
 120
 121     scalarField passiveMagSf(magSf.size(), 0.0);
 122     passivePatchIDs_.setSize(intCoupledPatchIDs_.size(), -1);
 123     forAll(intCoupledPatchIDs_, i)
 124     {
 125         const label patchI = intCoupledPatchIDs_[i];
 126         const polyPatch& ppIntCoupled = rbm[patchI];
 127         if (ppIntCoupled.size() > 0)
 128         {
 129             label cellId = rbm[patchI].faceCells()[0];
 130             const cell& cFaces = regionMesh().cells()[cellId];
 131
 132             label faceI = ppIntCoupled.start();
 133             label faceO = cFaces.opposingFaceLabel(faceI, regionMesh().faces());
 134
 135             label passivePatchI = rbm.whichPatch(faceO);
 136             passivePatchIDs_[i] = passivePatchI;
 137             const polyPatch& ppPassive = rbm[passivePatchI];
 138             UIndirectList<scalar>(passiveMagSf, ppPassive.faceCells()) =
 139                 mag(ppPassive.faceAreas());
 140         }
 141     }
 142
 143     Pstream::listCombineGather(passivePatchIDs_, maxEqOp<label>());
 144     Pstream::listCombineScatter(passivePatchIDs_);
 145
 146     magSf.field() = 0.5*(magSf + passiveMagSf);
 147     magSf.correctBoundaryConditions();
 148 }
 149
 150
 151 // * * * * * * * * * * * * Protected Member Functions  * * * * * * * * * * * //
 152
 153 bool Foam::regionModels::singleLayerRegion::read()
 154 {
 155     return regionModel::read();
 156 }
 157
 158
 159 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 160
 161 Foam::regionModels::singleLayerRegion::singleLayerRegion(const fvMesh& mesh)
 162 :
 163     regionModel(mesh),
 164     nHatPtr_(NULL),
 165     magSfPtr_(NULL),
 166     passivePatchIDs_()
 167 {}
 168
 169
 170 Foam::regionModels::singleLayerRegion::singleLayerRegion
 171 (
 172     const fvMesh& mesh,
 173     const word& regionType,
 174     const word& modelName,
 175     bool readFields
 176 )
 177 :
 178     regionModel(mesh, regionType, modelName, false),
 179     nHatPtr_(NULL),
 180     magSfPtr_(NULL),
 181     passivePatchIDs_()
 182 {
 183     if (active_)
 184     {
 185         constructMeshObjects();
 186         initialise();
 187
 188         if (readFields)
 189         {
 190             read();
 191         }
 192     }
 193 }
 194
 195
 196 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 197
 198 Foam::regionModels::singleLayerRegion::~singleLayerRegion()
 199 {}
 200
 201
 202 // * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 203
 204 const Foam::volVectorField& Foam::regionModels::singleLayerRegion::nHat() const
 205 {
 206     if (!nHatPtr_.valid())
 207     {
 208         FatalErrorIn("const fvMesh& singleLayerRegion::nHat() const")
 209             << "Region patch normal vectors not available"
 210             << abort(FatalError);
 211     }
 212
 213     return nHatPtr_();
 214 }
 215
 216
 217 const Foam::volScalarField& Foam::regionModels::singleLayerRegion::magSf() const
 218 {
 219     if (!magSfPtr_.valid())
 220     {
 221         FatalErrorIn("const fvMesh& singleLayerRegion::magSf() const")
 222             << "Region patch areas not available"
 223             << abort(FatalError);
 224     }
 225
 226     return magSfPtr_();
 227 }
 228
 229
 230 const Foam::labelList&
 231 Foam::regionModels::singleLayerRegion::passivePatchIDs() const
 232 {
 233     return passivePatchIDs_;
 234 }
 235
 236
 237 // ************************************************************************* //