src/turbulenceModels/derivedFvPatchFields/porousBafflePressure/porousBafflePressureFvPatchFields.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
   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 "porousBafflePressureFvPatchFields.H"
  27 #include "addToRunTimeSelectionTable.H"
  28 #include "volFields.H"
  29 #include "surfaceFields.H"
  30
  31 #include "compressible/turbulenceModel/turbulenceModel.H"
  32 #include "incompressible/turbulenceModel/turbulenceModel.H"
  33
  34
  35 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  36
  37 namespace Foam
  38 {
  39
  40 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
  41
  42 makeTemplatePatchTypeField
  43 (
  44     fvPatchScalarField,
  45     porousBafflePressureFvPatchScalarField
  46 );
  47
  48 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
  49
  50 //- Specialisation of the jump-condition for the pressure
  51 template<>
  52 void Foam::porousBafflePressureFvPatchField<Foam::scalar>::updateCoeffs()
  53 {
  54     if (updated())
  55     {
  56         return;
  57     }
  58
  59     const label patchI = patch().index();
  60
  61     const surfaceScalarField& phi =
  62             db().lookupObject<surfaceScalarField>("phi");
  63
  64     const fvsPatchField<scalar>& phip =
  65         patch().patchField<surfaceScalarField, scalar>(phi);
  66
  67     scalarField Un(phip/patch().magSf());
  68
  69     scalarField magUn(mag(Un));
  70
  71     if (phi.dimensions() == dimensionSet(0, 3, -1, 0, 0))
  72     {
  73         const incompressible::turbulenceModel& model =
  74             db().lookupObject<incompressible::turbulenceModel>
  75             (
  76                 "turbulenceModel"
  77             );
  78
  79         const scalarField nuEffw = model.nuEff()().boundaryField()[patchI];
  80
  81         jump_ = -sign(Un)*(I_*nuEffw + D_*0.5*magUn*length_)*magUn;
  82     }
  83     else
  84     {
  85         const compressible::turbulenceModel& model =
  86             db().lookupObject<compressible::turbulenceModel>
  87             (
  88                 "turbulenceModel"
  89             );
  90
  91         const scalarField muEffw = model.muEff()().boundaryField()[patchI];
  92
  93         const scalarField rhow =
  94             patch().lookupPatchField<volScalarField, scalar>("rho");
  95
  96         Un /= rhow;
  97
  98         jump_ = -sign(Un)*(I_*muEffw + D_*0.5*rhow*magUn*length_)*magUn;
  99     }
 100
 101     if (debug)
 102     {
 103         scalar avePressureJump = gAverage(jump_);
 104         scalar aveVelocity = gAverage(mag(Un));
 105
 106         Info<< patch().boundaryMesh().mesh().name() << ':'
 107             << patch().name() << ':'
 108             << " Average pressure drop :" << avePressureJump
 109             << " Average velocity :" << aveVelocity
 110             << endl;
 111     }
 112
 113     fixedJumpFvPatchField<scalar>::updateCoeffs();
 114 }
 115
 116
 117 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 118
 119 } // End namespace Foam
 120
 121 // ************************************************************************* //