motionDirectionalDiffusivity.C
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25 
27 #include "surfaceInterpolate.H"
30 
31 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
32 
33 namespace Foam
34 {
35  defineTypeNameAndDebug(motionDirectionalDiffusivity, 0);
36 
38  (
39  motionDiffusivity,
40  motionDirectionalDiffusivity,
41  Istream
42  );
43 }
44 
45 
46 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
47 
49 (
50  const fvMesh& mesh,
51  Istream& mdData
52 )
53 :
54  motionDiffusivity(mesh),
55  diffusivityVector_(mdData)
56 {}
57 
58 
59 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
60 
62 {}
63 
64 
65 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
66 
69 {
70  if (mesh().foundObject<volVectorField>("cellMotionU"))
71  {
72  const volVectorField& cellMotionU =
73  mesh().lookupObject<volVectorField>("cellMotionU");
74 
76  (
77  IOobject
78  (
79  "D",
80  mesh().time().timeName(),
81  mesh()
82  ),
83  diffusivityVector_.y()*vector::one
84  + (diffusivityVector_.x() - diffusivityVector_.y())*cellMotionU
85  /(mag(cellMotionU) + dimensionedScalar(dimVelocity, small)),
86  zeroGradientFvPatchVectorField::typeName
87  );
88  D.correctBoundaryConditions();
89 
90  const surfaceVectorField n(mesh().Sf()/mesh().magSf());
91 
93  (
94  "faceDiffusivity",
95  (n & cmptMultiply(fvc::interpolate(D), n))
96  );
97  }
98  else
99  {
101  (
103  (
104  IOobject
105  (
106  "faceDiffusivity",
107  mesh().time().timeName(),
108  mesh(),
111  ),
112  mesh(),
114  )
115  );
116  }
117 }
118 
119 
120 // ************************************************************************* //
virtual tmp< surfaceScalarField > operator()() const
Return diffusivity field.
An Istream is an abstract base class for all input systems (streams, files, token lists etc)...
Definition: Istream.H:57
static tmp< GeometricField< scalar, fvsPatchField, surfaceMesh > > New(const word &name, const Internal &, const PtrList< fvsPatchField< scalar >> &)
Return a temporary field constructed from name,.
const dimensionSet dimless
fvMesh & mesh
const Type & lookupObject(const word &name) const
Lookup and return the object of the given Type.
Macros for easy insertion into run-time selection tables.
word timeName
Definition: getTimeIndex.H:3
dimensioned< Type > cmptMultiply(const dimensioned< Type > &, const dimensioned< Type > &)
addToRunTimeSelectionTable(ensightPart, ensightPartCells, istream)
Abstract base class for cell-centre mesh motion diffusivity.
const dimensionSet dimVelocity
defineTypeNameAndDebug(combustionModel, 0)
static tmp< GeometricField< Type, fvsPatchField, surfaceMesh > > interpolate(const GeometricField< Type, fvPatchField, volMesh > &tvf, const surfaceScalarField &faceFlux, Istream &schemeData)
Interpolate field onto faces using scheme given by Istream.
motionDirectionalDiffusivity(const fvMesh &mesh, Istream &mdData)
Construct for the given fvMesh and data Istream.
dimensioned< scalar > dimensionedScalar
Dimensioned scalar obtained from generic dimensioned type.
Mesh data needed to do the Finite Volume discretisation.
Definition: fvMesh.H:95
dimensioned< scalar > mag(const dimensioned< Type > &)
label n
A class for managing temporary objects.
Definition: PtrList.H:53
GeometricField< scalar, fvsPatchField, surfaceMesh > surfaceScalarField
IOobject defines the attributes of an object for which implicit objectRegistry management is supporte...
Definition: IOobject.H:98
Namespace for OpenFOAM.