FreeFOAM The Cross-Platform CFD Toolkit
freestreamPressureFvPatchScalarField.C
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25 
29 #include <finiteVolume/volFields.H>
32 
33 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
34 
35 namespace Foam
36 {
37 
38 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
39 
41 (
42  const fvPatch& p,
44 )
45 :
46  zeroGradientFvPatchScalarField(p, iF)
47 {}
48 
49 
51 (
53  const fvPatch& p,
55  const fvPatchFieldMapper& mapper
56 )
57 :
58  zeroGradientFvPatchScalarField(ptf, p, iF, mapper)
59 {}
60 
61 
63 (
64  const fvPatch& p,
66  const dictionary& dict
67 )
68 :
69  zeroGradientFvPatchScalarField(p, iF, dict)
70 {}
71 
72 
74 (
76 )
77 :
78  zeroGradientFvPatchScalarField(wbppsf)
79 {}
80 
81 
83 (
86 )
87 :
88  zeroGradientFvPatchScalarField(wbppsf, iF)
89 {}
90 
91 
92 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
93 
95 {
96  if (updated())
97  {
98  return;
99  }
100 
101  const freestreamFvPatchVectorField& Up =
102  refCast<const freestreamFvPatchVectorField>
103  (
104  patch().lookupPatchField<volVectorField, vector>("U")
105  );
106 
107  const surfaceScalarField& phi =
108  db().lookupObject<surfaceScalarField>("phi");
109 
110  fvsPatchField<scalar>& phip =
111  const_cast<fvsPatchField<scalar>&>
112  (
113  patch().patchField<surfaceScalarField, scalar>(phi)
114  );
115 
116  if (phi.dimensions() == dimVelocity*dimArea)
117  {
118  phip = patch().Sf() & Up.freestreamValue();
119  }
120  else if (phi.dimensions() == dimDensity*dimVelocity*dimArea)
121  {
122  const fvPatchField<scalar>& rhop =
123  patch().lookupPatchField<volScalarField, scalar>("rho");
124 
125  phip = rhop*(patch().Sf() & Up.freestreamValue());
126  }
127  else
128  {
129  FatalErrorIn("freestreamPressureFvPatchScalarField::updateCoeffs()")
130  << "dimensions of phi are not correct"
131  << "\n on patch " << this->patch().name()
132  << " of field " << this->dimensionedInternalField().name()
133  << " in file " << this->dimensionedInternalField().objectPath()
134  << exit(FatalError);
135  }
136 
138 }
139 
140 
141 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
142 
144 
145 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
146 
147 } // End namespace Foam
148 
149 // ************************ vim: set sw=4 sts=4 et: ************************ //