Merkle.C
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25 
26 #include "Merkle.H"
28 
29 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
30 
31 namespace Foam
32 {
33 namespace phaseChangeTwoPhaseMixtures
34 {
35  defineTypeNameAndDebug(Merkle, 0);
36  addToRunTimeSelectionTable(phaseChangeTwoPhaseMixture, Merkle, components);
37 }
38 }
39 
40 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
41 
43 (
44  const volVectorField& U,
45  const surfaceScalarField& phi
46 )
47 :
48  phaseChangeTwoPhaseMixture(typeName, U, phi),
49 
50  UInf_("UInf", dimVelocity, phaseChangeTwoPhaseMixtureCoeffs_),
51  tInf_("tInf", dimTime, phaseChangeTwoPhaseMixtureCoeffs_),
52  Cc_("Cc", dimless, phaseChangeTwoPhaseMixtureCoeffs_),
53  Cv_("Cv", dimless, phaseChangeTwoPhaseMixtureCoeffs_),
54 
55  p0_("0", pSat().dimensions(), 0.0),
56 
57  mcCoeff_(Cc_/(0.5*sqr(UInf_)*tInf_)),
58  mvCoeff_(Cv_*rho1()/(0.5*sqr(UInf_)*tInf_*rho2()))
59 {
60  correct();
61 }
62 
63 
64 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
65 
68 {
70 
71  return Pair<tmp<volScalarField>>
72  (
73  mcCoeff_*max(p - pSat(), p0_),
74  mvCoeff_*min(p - pSat(), p0_)
75  );
76 }
77 
80 {
82  volScalarField limitedAlpha1(min(max(alpha1_, scalar(0)), scalar(1)));
83 
84  return Pair<tmp<volScalarField>>
85  (
86  mcCoeff_*(1.0 - limitedAlpha1)*pos0(p - pSat()),
87  (-mvCoeff_)*limitedAlpha1*neg(p - pSat())
88  );
89 }
90 
91 
93 {}
94 
95 
97 {
99  {
101 
102  phaseChangeTwoPhaseMixtureCoeffs_.lookup("UInf") >> UInf_;
103  phaseChangeTwoPhaseMixtureCoeffs_.lookup("tInf") >> tInf_;
106 
107  mcCoeff_ = Cc_/(0.5*sqr(UInf_)*tInf_);
108  mvCoeff_ = Cv_*rho1()/(0.5*sqr(UInf_)*tInf_*rho2());
109 
110  return true;
111  }
112  else
113  {
114  return false;
115  }
116 }
117 
118 
119 // ************************************************************************* //
const dimensionedScalar & rho2() const
Return const-access to phase2 density.
virtual bool read()=0
Read the transportProperties dictionary and update.
surfaceScalarField & phi
dimensioned< Type > max(const dimensioned< Type > &, const dimensioned< Type > &)
dimensionedSymmTensor sqr(const dimensionedVector &dv)
virtual Pair< tmp< volScalarField > > mDotP() const
Return the mass condensation and vaporisation rates as coefficients.
GeometricField< vector, fvPatchField, volMesh > volVectorField
Definition: volFieldsFwd.H:55
const Type & lookupObject(const word &name) const
Lookup and return the object of the given Type.
Merkle(const volVectorField &U, const surfaceScalarField &phi)
Construct from components.
dimensionedScalar neg(const dimensionedScalar &ds)
Macros for easy insertion into run-time selection tables.
GeometricField< scalar, fvPatchField, volMesh > volScalarField
Definition: volFieldsFwd.H:52
virtual void correct()
Correct the Merkle phaseChange model.
An ordered pair of two objects of type <T> with first() and second() elements.
Definition: contiguous.H:49
const dictionary & optionalSubDict(const word &) const
Find and return a sub-dictionary if found.
Definition: dictionary.C:759
volScalarField alpha1_
const dimensionedScalar & pSat() const
Return const-access to the saturation vapour pressure.
dimensionedScalar pos0(const dimensionedScalar &ds)
addToRunTimeSelectionTable(ensightPart, ensightPartCells, istream)
defineTypeNameAndDebug(combustionModel, 0)
dimensioned< Type > min(const dimensioned< Type > &, const dimensioned< Type > &)
fileName::Type type(const fileName &, const bool followLink=true)
Return the file type: DIRECTORY or FILE.
Definition: POSIX.C:481
virtual bool read()
Read the transportProperties dictionary and update.
U
Definition: pEqn.H:72
const dimensionSet dimless(0, 0, 0, 0, 0, 0, 0)
Definition: dimensionSets.H:47
const dimensionSet dimTime(0, 0, 1, 0, 0, 0, 0)
Definition: dimensionSets.H:51
const dimensionedScalar & rho2
Definition: createFields.H:40
GeometricField< scalar, fvsPatchField, surfaceMesh > surfaceScalarField
virtual void correct()
Correct the Kunz phaseChange model.
const objectRegistry & db() const
Return the local objectRegistry.
Definition: IOobject.C:361
const dimensionedScalar & rho1
Definition: createFields.H:39
virtual Pair< tmp< volScalarField > > mDotAlphal() const
Return the mass condensation and vaporisation rates as a.
Namespace for OpenFOAM.
ITstream & lookup(const word &, bool recursive=false, bool patternMatch=true) const
Find and return an entry data stream.
Definition: dictionary.C:576
const dimensionedScalar & rho1() const
Return const-access to phase1 density.
const dimensionSet dimVelocity