src/finiteVolume/fvMesh/singleCellFvMesh/singleCellFvMeshInterpolate.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | foam-extend: Open Source CFD
   4    \\    /   O peration     | Version:     3.2
   5     \\  /    A nd           | Web:         http://www.foam-extend.org
   6      \\/     M anipulation  | For copyright notice see file Copyright
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of foam-extend.
  10
  11     foam-extend is free software: you can redistribute it and/or modify it
  12     under the terms of the GNU General Public License as published by the
  13     Free Software Foundation, either version 3 of the License, or (at your
  14     option) any later version.
  15
  16     foam-extend is distributed in the hope that it will be useful, but
  17     WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19     General Public License for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 \*---------------------------------------------------------------------------*/
  25
  26 #include "singleCellFvMesh.H"
  27 #include "foamTime.H"
  28
  29 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  30
  31 namespace Foam
  32 {
  33
  34 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
  35
  36 template<class Type>
  37 tmp<GeometricField<Type, fvPatchField, volMesh> > singleCellFvMesh::interpolate
  38 (
  39     const GeometricField<Type, fvPatchField, volMesh>& vf
  40 ) const
  41 {
  42     // Create internal-field values
  43     Field<Type> internalField(1, gAverage(vf));
  44
  45     // Create and map the patch field values
  46     PtrList<fvPatchField<Type> > patchFields(vf.boundaryField().size());
  47
  48     if (agglomerate())
  49     {
  50         forAll(vf.boundaryField(), patchI)
  51         {
  52             const labelList& agglom = patchFaceAgglomeration_[patchI];
  53             label nAgglom = max(agglom) + 1;
  54
  55             // Use inverse of agglomeration. This is from agglomeration to
  56             // original (fine) mesh patch face.
  57             labelListList coarseToFine(invertOneToMany(nAgglom, agglom));
  58             inplaceReorder(patchFaceMap_[patchI], coarseToFine);
  59             scalarListList coarseWeights(nAgglom);
  60             forAll(coarseToFine, coarseI)
  61             {
  62                 const labelList& fineFaces = coarseToFine[coarseI];
  63                 coarseWeights[coarseI] = scalarList
  64                 (
  65                     fineFaces.size(),
  66                     1.0/fineFaces.size()
  67                 );
  68             }
  69
  70             patchFields.set
  71             (
  72                 patchI,
  73                 fvPatchField<Type>::New
  74                 (
  75                     vf.boundaryField()[patchI],
  76                     boundary()[patchI],
  77                     DimensionedField<Type, volMesh>::null(),
  78                     agglomPatchFieldMapper(coarseToFine, coarseWeights, agglom.size())
  79                 )
  80             );
  81         }
  82     }
  83     else
  84     {
  85         forAll(vf.boundaryField(), patchI)
  86         {
  87             labelList map(identity(vf.boundaryField()[patchI].size()));
  88
  89             patchFields.set
  90             (
  91                 patchI,
  92                 fvPatchField<Type>::New
  93                 (
  94                     vf.boundaryField()[patchI],
  95                     boundary()[patchI],
  96                     DimensionedField<Type, volMesh>::null(),
  97                     directPatchFieldMapper(map, map.size())
  98                 )
  99             );
 100         }
 101     }
 102
 103     // Create the complete field from the pieces
 104     tmp<GeometricField<Type, fvPatchField, volMesh> > tresF
 105     (
 106         new GeometricField<Type, fvPatchField, volMesh>
 107         (
 108             IOobject
 109             (
 110                 vf.name(),
 111                 time().timeName(),
 112                 *this,
 113                 IOobject::NO_READ,
 114                 IOobject::NO_WRITE
 115             ),
 116             *this,
 117             vf.dimensions(),
 118             internalField,
 119             patchFields
 120         )
 121     );
 122
 123     return tresF;
 124 }
 125
 126
 127 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 128
 129 } // End namespace Foam
 130
 131 // ************************************************************************* //