freestreamVelocityFvPatchVectorField.C
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25 
28 
29 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
30 
32 (
33  const fvPatch& p,
35 )
36 :
37  mixedFvPatchVectorField(p, iF)
38 {}
39 
40 
42 (
43  const fvPatch& p,
45  const dictionary& dict
46 )
47 :
48  mixedFvPatchVectorField(p, iF)
49 {
50  freestreamValue() = vectorField("freestreamValue", dict, p.size());
51 
52  if (dict.found("value"))
53  {
54  fvPatchVectorField::operator=
55  (
56  vectorField("value", dict, p.size())
57  );
58  }
59  else
60  {
61  fvPatchVectorField::operator=(freestreamValue());
62  }
63 
64  refGrad() = Zero;
65  valueFraction() = 1;
66 }
67 
68 
70 (
72  const fvPatch& p,
74  const fvPatchFieldMapper& mapper
75 )
76 :
77  mixedFvPatchVectorField(ptf, p, iF, mapper)
78 {}
79 
80 
82 (
85 )
86 :
87  mixedFvPatchVectorField(wbppsf, iF)
88 {}
89 
90 
91 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
92 
94 {
95  if (updated())
96  {
97  return;
98  }
99 
100  const Field<vector> Up(0.5*(patchInternalField() + *this));
101  const Field<scalar> magUp(mag(Up));
102 
103  const Field<vector> nf(patch().nf());
104 
105  Field<scalar>& vf = valueFraction();
106 
107  forAll(vf, i)
108  {
109  if (magUp[i] > vSmall)
110  {
111  vf[i] = 0.5 - 0.5*(Up[i] & nf[i])/magUp[i];
112  }
113  else
114  {
115  vf[i] = 0.5;
116  }
117  }
118 
120 }
121 
122 
124 {
126  writeEntry(os, "freestreamValue", freestreamValue());
127  writeEntry(os, "value", *this);
128 }
129 
130 
131 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
132 
133 namespace Foam
134 {
136  (
139  );
140 }
141 
142 // ************************************************************************* //
bool found(const word &, bool recursive=false, bool patternMatch=true) const
Search dictionary for given keyword.
Definition: dictionary.C:643
#define forAll(list, i)
Loop across all elements in list.
Definition: UList.H:434
A list of keyword definitions, which are a keyword followed by any number of values (e...
Definition: dictionary.H:156
A finiteVolume patch using a polyPatch and a fvBoundaryMesh.
Definition: fvPatch.H:62
Abstract base class with a fat-interface to all derived classes covering all possible ways in which t...
Definition: fvPatchField.H:66
volVectorField vectorField(fieldObject, mesh)
virtual void write(Ostream &) const
Write.
Definition: fvPatchField.C:260
Macros for easy insertion into run-time selection tables.
virtual void updateCoeffs()
Update the coefficients associated with the patch field.
scalar magUp
Foam::fvPatchFieldMapper.
static const zero Zero
Definition: zero.H:97
This boundary condition provides a free-stream condition for velocity.
virtual label size() const
Return size.
Definition: fvPatch.H:156
An Ostream is an abstract base class for all output systems (streams, files, token lists...
Definition: Ostream.H:54
void writeEntry(Ostream &os, const HashTable< T, Key, Hash > &ht)
Definition: HashTableIO.C:96
virtual void updateCoeffs()
Update the coefficients associated with the patch field.
Definition: fvPatchField.C:209
Field with dimensions and associated with geometry type GeoMesh which is used to size the field and a...
freestreamVelocityFvPatchVectorField(const fvPatch &, const DimensionedField< vector, volMesh > &)
Construct from patch and internal field.
dimensioned< scalar > mag(const dimensioned< Type > &)
makePatchTypeField(fvPatchScalarField, atmBoundaryLayerInletEpsilonFvPatchScalarField)
Namespace for OpenFOAM.