applications/solvers/coupled/conjugateHeatTransfer/fvPatchFields/externalRadiation/ersViewFactor/ersViewFactor.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | foam-extend: Open Source CFD
   4    \\    /   O peration     |
   5     \\  /    A nd           | For copyright notice see file Copyright
   6      \\/     M anipulation  |
   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 "ersViewFactor.H"
  27 #include "addToRunTimeSelectionTable.H"
  28 #include "radiationConstants.H"
  29
  30 namespace Foam
  31 {
  32
  33 defineTypeNameAndDebug(ersViewFactor, 0);
  34 addToRunTimeSelectionTable(externalRadiationSource, ersViewFactor, dictionary);
  35
  36 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
  37
  38 ersViewFactor::ersViewFactor
  39 (
  40     const word& name,
  41     const dictionary& dict,
  42     const fvPatch& p
  43 )
  44 :
  45     externalRadiationSource(name),
  46     Tinf_(readScalar(dict.lookup("Tinf"))),
  47     F_("F", dict, p.size()),
  48     epsilon_(readScalar(dict.lookup("epsilon")))
  49 {}
  50
  51 ersViewFactor::ersViewFactor
  52 (
  53     const word& name,
  54     const dictionary& dict
  55 )
  56 :
  57     externalRadiationSource(name),
  58     Tinf_(readScalar(dict.lookup("Tinf"))),
  59     epsilon_(readScalar(dict.lookup("epsilon")))
  60 {}
  61
  62
  63 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
  64
  65 tmp<scalarField> ersViewFactor::q
  66 (
  67     const scalarField& Tw
  68 ) const
  69 {
  70     return epsilon_*F_*radiation::sigmaSB.value()*(pow4(Tw) - pow4(Tinf_));
  71 }
  72
  73
  74 void ersViewFactor::write(Ostream& os) const
  75 {
  76     externalRadiationSource::write(os);
  77
  78     os.writeKeyword("Tinf") << Tinf_ << token::END_STATEMENT << nl;
  79     F_.writeEntry("F", os);
  80     os.writeKeyword("epsilon") << epsilon_ << token::END_STATEMENT << nl;
  81 }
  82
  83
  84 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  85
  86 } // End namespace Foam
  87
  88 // ************************************************************************* //