freestreamPressureFvPatchScalarField.C
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25 
27 #include "volFields.H"
29 
30 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
31 
34 (
35  const fvPatch& p,
37 )
38 :
39  mixedFvPatchScalarField(p, iF),
40  UName_("U"),
41  supersonic_(false)
42 {}
43 
44 
47 (
48  const fvPatch& p,
50  const dictionary& dict
51 )
52 :
53  mixedFvPatchScalarField(p, iF),
54  UName_(dict.lookupOrDefault<word>("U", "U")),
55  supersonic_
56  (
57  dict.lookupOrDefault<Switch>("supersonic", false)
58  )
59 {
60  freestreamValue() = scalarField("freestreamValue", dict, p.size());
61 
62  if (dict.found("value"))
63  {
64  fvPatchScalarField::operator=
65  (
66  scalarField("value", dict, p.size())
67  );
68  }
69  else
70  {
71  fvPatchScalarField::operator=(freestreamValue());
72  }
73 
74  refGrad() = Zero;
75  valueFraction() = 0;
76 }
77 
78 
81 (
83  const fvPatch& p,
85  const fvPatchFieldMapper& mapper
86 )
87 :
88  mixedFvPatchScalarField(psf, p, iF, mapper),
89  UName_(psf.UName_),
90  supersonic_(psf.supersonic_)
91 {}
92 
93 
96 (
99 )
100 :
101  mixedFvPatchScalarField(psf, iF),
102  UName_(psf.UName_),
103  supersonic_(psf.supersonic_)
104 {}
105 
106 
107 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
108 
110 {
111  if (updated())
112  {
113  return;
114  }
115 
116  const Field<vector>& Up =
117  patch().template lookupPatchField<volVectorField, vector>
118  (
119  UName_
120  );
121 
122  const Field<scalar> magUp(mag(Up));
123 
124  const Field<vector> nf(patch().nf());
125 
126  Field<scalar>& vf = valueFraction();
127 
128  if (supersonic_)
129  {
130  forAll(vf, i)
131  {
132  if (magUp[i] > vSmall)
133  {
134  vf[i] = 0.5 - 0.5*(Up[i] & nf[i])/magUp[i];
135  }
136  else
137  {
138  vf[i] = 0.5;
139  }
140  }
141  }
142  else
143  {
144  forAll(vf, i)
145  {
146  if (magUp[i] > vSmall)
147  {
148  vf[i] = 0.5 + 0.5*(Up[i] & nf[i])/magUp[i];
149  }
150  else
151  {
152  vf[i] = 0.5;
153  }
154  }
155  }
156 
158 }
159 
160 
162 {
164  writeEntryIfDifferent<word>(os, "U", "U", UName_);
165  writeEntry(os, "freestreamValue", freestreamValue());
166  writeEntry(os, "supersonic", supersonic_);
167  writeEntry(os, "value", *this);
168 }
169 
170 
171 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
172 
173 namespace Foam
174 {
176  (
179  );
180 }
181 
182 // ************************************************************************* //
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
virtual void updateCoeffs()
Update the coefficients associated with the patch field.
freestreamPressureFvPatchScalarField(const fvPatch &, const DimensionedField< scalar, volMesh > &)
Construct from patch and internal field.
A finiteVolume patch using a polyPatch and a fvBoundaryMesh.
Definition: fvPatch.H:62
A simple wrapper around bool so that it can be read as a word: true/false, on/off, yes/no, y/n, t/f, or none/any.
Definition: Switch.H:60
Abstract base class with a fat-interface to all derived classes covering all possible ways in which t...
Definition: fvPatchField.H:66
virtual void write(Ostream &) const
Write.
Definition: fvPatchField.C:260
Macros for easy insertion into run-time selection tables.
scalar magUp
A class for handling words, derived from string.
Definition: word.H:59
Foam::fvPatchFieldMapper.
static const zero Zero
Definition: zero.H:97
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
volScalarField scalarField(fieldObject, mesh)
void writeEntry(Ostream &os, const HashTable< T, Key, Hash > &ht)
Definition: HashTableIO.C:96
T lookupOrDefault(const word &, const T &, bool recursive=false, bool patternMatch=true) const
Find and return a T,.
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...
dimensioned< scalar > mag(const dimensioned< Type > &)
This boundary condition provides a free-stream condition for pressure.
makePatchTypeField(fvPatchScalarField, atmBoundaryLayerInletEpsilonFvPatchScalarField)
Namespace for OpenFOAM.