applications/solvers/multiphase/interPhaseChangeFoam/createFields.H

   1     Info<< "Reading field pd\n" << endl;
   2     volScalarField pd
   3     (
   4         IOobject
   5         (
   6             "pd",
   7             runTime.timeName(),
   8             mesh,
   9             IOobject::MUST_READ,
  10             IOobject::AUTO_WRITE
  11         ),
  12         mesh
  13     );
  14
  15     Info<< "Reading field alpha1\n" << endl;
  16     volScalarField alpha1
  17     (
  18         IOobject
  19         (
  20             "alpha1",
  21             runTime.timeName(),
  22             mesh,
  23             IOobject::MUST_READ,
  24             IOobject::AUTO_WRITE
  25         ),
  26         mesh
  27     );
  28
  29     Info<< "Reading field U\n" << endl;
  30     volVectorField U
  31     (
  32         IOobject
  33         (
  34             "U",
  35             runTime.timeName(),
  36             mesh,
  37             IOobject::MUST_READ,
  38             IOobject::AUTO_WRITE
  39         ),
  40         mesh
  41     );
  42
  43 #   include "createPhi.H"
  44
  45     Info<< "Creating phaseChangeTwoPhaseMixture\n" << endl;
  46     autoPtr<phaseChangeTwoPhaseMixture> twoPhaseProperties =
  47         phaseChangeTwoPhaseMixture::New(U, phi, "alpha1");
  48
  49     const dimensionedScalar& rho1 = twoPhaseProperties->rho1();
  50     const dimensionedScalar& rho2 = twoPhaseProperties->rho2();
  51     const dimensionedScalar& pSat = twoPhaseProperties->pSat();
  52
  53     // Need to store rho for ddt(rho, U)
  54     volScalarField rho
  55     (
  56         IOobject
  57         (
  58             "rho",
  59             runTime.timeName(),
  60             mesh,
  61             IOobject::READ_IF_PRESENT
  62         ),
  63         alpha1*rho1 + (scalar(1) - alpha1)*rho2,
  64         alpha1.boundaryField().types()
  65     );
  66     rho.oldTime();
  67
  68
  69     // Mass flux
  70     // Initialisation does not matter because rhoPhi is reset after the
  71     // alpha1 solution before it is used in the U equation.
  72     surfaceScalarField rhoPhi
  73     (
  74         IOobject
  75         (
  76             "rho*phi",
  77             runTime.timeName(),
  78             mesh,
  79             IOobject::NO_READ,
  80             IOobject::NO_WRITE
  81         ),
  82         rho1*phi
  83     );
  84
  85
  86     Info<< "Calculating field g.h\n" << endl;
  87     volScalarField gh("gh", g & mesh.C());
  88     surfaceScalarField ghf("gh", g & mesh.Cf());
  89
  90     volScalarField p
  91     (
  92         IOobject
  93         (
  94             "p",
  95             runTime.timeName(),
  96             mesh,
  97             IOobject::NO_READ,
  98             IOobject::AUTO_WRITE
  99         ),
 100         pd + rho*gh
 101     );
 102
 103
 104     label pdRefCell = 0;
 105     scalar pdRefValue = 0.0;
 106     setRefCell(pd, mesh.solutionDict().subDict("PISO"), pdRefCell, pdRefValue);
 107
 108     scalar pRefValue = 0.0;
 109
 110     if (pd.needReference())
 111     {
 112         pRefValue = readScalar
 113         (
 114             mesh.solutionDict().subDict("PISO").lookup("pRefValue")
 115         );
 116
 117         p += dimensionedScalar
 118         (
 119             "p",
 120             p.dimensions(),
 121             pRefValue - getRefCellValue(p, pdRefCell)
 122         );
 123     }
 124
 125     // Construct interface from alpha1 distribution
 126     interfaceProperties interface(alpha1, U, twoPhaseProperties());
 127
 128     // Construct incompressible turbulence model
 129     autoPtr<incompressible::turbulenceModel> turbulence
 130     (
 131         incompressible::turbulenceModel::New(U, phi, twoPhaseProperties())
 132     );