src/lagrangian/dieselSpray/spray/sprayOps.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 "spray.H"
  27 #include "atomizationModel.H"
  28 #include "breakupModel.H"
  29 #include "collisionModel.H"
  30 #include "dispersionModel.H"
  31 #include "interpolation.H"
  32 #include "processorPolyPatch.H"
  33
  34 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  35
  36 void Foam::spray::evolve()
  37 {
  38     sms_.setSize(rho_.size());
  39     shs_.setSize(rho_.size());
  40     forAll(srhos_, i)
  41     {
  42         srhos_[i].setSize(rho_.size());
  43     }
  44
  45     UInterpolator_ = interpolation<vector>::New(interpolationSchemes_, U_);
  46
  47     rhoInterpolator_ = interpolation<scalar>::New(interpolationSchemes_, rho_);
  48
  49     pInterpolator_ = interpolation<scalar>::New(interpolationSchemes_, p_);
  50
  51     TInterpolator_ = interpolation<scalar>::New(interpolationSchemes_, T_);
  52
  53     calculateAmbientPressure();
  54     calculateAmbientTemperature();
  55     collisions().collideParcels(runTime_.deltaTValue());
  56     move();
  57     dispersion().disperseParcels();
  58     inject();
  59     atomizationLoop();
  60     breakupLoop();
  61
  62     UInterpolator_.clear();
  63     rhoInterpolator_.clear();
  64     pInterpolator_.clear();
  65     TInterpolator_.clear();
  66 }
  67
  68
  69 void Foam::spray::move()
  70 {
  71     // Reset Spray Source Terms
  72     sms_ = vector::zero;
  73     shs_ = 0.0;
  74     forAll(srhos_, i)
  75     {
  76         srhos_[i] = 0.0;
  77     }
  78
  79     parcel::trackingData td(*this);
  80     Cloud<parcel>::move(td, runTime_.deltaTValue());
  81 }
  82
  83
  84 void Foam::spray::breakupLoop()
  85 {
  86     forAllIter(spray, *this, elmnt)
  87     {
  88         // interpolate...
  89         vector velocity = UInterpolator().interpolate
  90         (
  91             elmnt().position(),
  92             elmnt().currentTetIndices()
  93         );
  94
  95         // liquidCore < 0.5 indicates discrete drops
  96         if (elmnt().liquidCore() <= 0.5)
  97         {
  98             breakup().updateParcelProperties
  99             (
 100                 elmnt(),
 101                 runTime_.deltaTValue(),
 102                 velocity,
 103                 fuels_
 104             );
 105
 106             breakup().breakupParcel
 107             (
 108                 elmnt(),
 109                 runTime_.deltaTValue(),
 110                 velocity,
 111                 fuels_
 112             );
 113         }
 114     }
 115 }
 116
 117
 118 void Foam::spray::atomizationLoop()
 119 {
 120     forAllIter(spray, *this, elmnt)
 121     {
 122         // interpolate...
 123         vector velocity = UInterpolator().interpolate
 124         (
 125             elmnt().position(),
 126             elmnt().currentTetIndices()
 127         );
 128
 129         // liquidCore > 0.5 indicates a liquid core
 130         if (elmnt().liquidCore() > 0.5)
 131         {
 132             atomization().atomizeParcel
 133             (
 134                 elmnt(),
 135                 runTime_.deltaTValue(),
 136                 velocity,
 137                 fuels_
 138             );
 139         }
 140     }
 141 }
 142
 143
 144 // ************************************************************************* //