src/lagrangian/spray/submodels/BreakupModel/SHF/SHF.H

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
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   5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
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   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 Class
  25     Foam::SHF
  26
  27 Description
  28     Secondary Breakup Model to take account of the different breakup regimes,
  29     bag, molutimode, shear....
  30
  31     Accurate description in
  32     @verbatim
  33     R. Schmehl, G. Maier, S. Witting
  34     "CFD Analysis of Fuel Atomization, Secondary Droplet Breakup and Spray
  35     Dispersion in the Premix Duct of a LPP Combustor".
  36     Eight International Conference on Liquid Atomization and Spray Systems, 2000
  37     @endverbatim
  38
  39 \*---------------------------------------------------------------------------*/
  40
  41 #ifndef SHF_H
  42 #define SHF_H
  43
  44 #include "BreakupModel.H"
  45
  46 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  47
  48 namespace Foam
  49 {
  50 /*---------------------------------------------------------------------------*\
  51                        Class SHF Declaration
  52 \*---------------------------------------------------------------------------*/
  53
  54 template<class CloudType>
  55 class SHF
  56 :
  57     public BreakupModel<CloudType>
  58 {
  59 private:
  60
  61     // Private data
  62
  63         // Model constants
  64
  65             scalar weCorrCoeff_;
  66
  67             scalar weBuCrit_;
  68             scalar weBuBag_;
  69             scalar weBuMM_;
  70
  71             scalar ohnCoeffCrit_;
  72             scalar ohnCoeffBag_;
  73             scalar ohnCoeffMM_;
  74
  75             scalar ohnExpCrit_;
  76             scalar ohnExpBag_;
  77             scalar ohnExpMM_;
  78
  79             scalar cInit_;
  80
  81             scalar c1_;
  82             scalar c2_;
  83             scalar c3_;
  84
  85             scalar cExp1_;
  86             scalar cExp2_;
  87             scalar cExp3_;
  88
  89             scalar weConst_;
  90             scalar weCrit1_;
  91             scalar weCrit2_;
  92
  93             scalar coeffD_;
  94             scalar onExpD_;
  95             scalar weExpD_;
  96
  97             scalar mu_;
  98             scalar sigma_;
  99
 100             scalar d32Coeff_;
 101             scalar cDmaxBM_;
 102             scalar cDmaxS_;
 103
 104             scalar corePerc_;
 105
 106
 107 public:
 108
 109     //- Runtime type information
 110     TypeName("SHF");
 111
 112
 113     // Constructors
 114
 115         //- Construct from dictionary
 116         SHF(const dictionary&, CloudType&);
 117
 118         //- Construct copy
 119         SHF(const SHF<CloudType>& bum);
 120
 121         //- Construct and return a clone
 122         virtual autoPtr<BreakupModel<CloudType> > clone() const
 123         {
 124             return autoPtr<BreakupModel<CloudType> >
 125             (
 126                 new SHF<CloudType>(*this)
 127             );
 128         }
 129
 130
 131     //- Destructor
 132     virtual ~SHF();
 133
 134
 135     // Member Functions
 136
 137         //- update the parcel properties
 138         virtual bool update
 139         (
 140             const scalar dt,
 141             const vector& g,
 142             scalar& d,
 143             scalar& tc,
 144             scalar& ms,
 145             scalar& nParticle,
 146             scalar& KHindex,
 147             scalar& y,
 148             scalar& yDot,
 149             const scalar d0,
 150             const scalar rho,
 151             const scalar mu,
 152             const scalar sigma,
 153             const vector& U,
 154             const scalar rhoc,
 155             const scalar muc,
 156             const vector& Urel,
 157             const scalar Urmag,
 158             const scalar tMom,
 159             const scalar averageParcelMass,
 160             scalar& dChild,
 161             scalar& massChild,
 162             cachedRandom& rndGen
 163         ) const;
 164
 165 };
 166
 167
 168 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 169
 170 } // End namespace Foam
 171
 172 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 173
 174 #ifdef NoRepository
 175 #   include "SHF.C"
 176 #endif
 177
 178 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 179
 180 #endif
 181
 182 // ************************************************************************* //