FreeFOAM The Cross-Platform CFD Toolkit
movingWallVelocityFvPatchVectorField.C
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25 
28 #include <finiteVolume/volFields.H>
31 
32 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
33 
34 namespace Foam
35 {
36 
37 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
38 
40 (
41  const fvPatch& p,
43 )
44 :
45  fixedValueFvPatchVectorField(p, iF)
46 {}
47 
48 
50 (
52  const fvPatch& p,
54  const fvPatchFieldMapper& mapper
55 )
56 :
57  fixedValueFvPatchVectorField(ptf, p, iF, mapper)
58 {}
59 
60 
62 (
63  const fvPatch& p,
65  const dictionary& dict
66 )
67 :
68  fixedValueFvPatchVectorField(p, iF)
69 {
70  fvPatchVectorField::operator=(vectorField("value", dict, p.size()));
71 }
72 
73 
75 (
77 )
78 :
79  fixedValueFvPatchVectorField(pivpvf)
80 {}
81 
82 
84 (
87 )
88 :
89  fixedValueFvPatchVectorField(pivpvf, iF)
90 {}
91 
92 
93 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
94 
96 {
97  if (updated())
98  {
99  return;
100  }
101 
102  const fvPatch& p = patch();
103  const polyPatch& pp = p.patch();
104  const fvMesh& mesh = dimensionedInternalField().mesh();
105  const pointField& oldPoints = mesh.oldPoints();
106 
107  vectorField oldFc(pp.size());
108 
109  forAll(oldFc, i)
110  {
111  oldFc[i] = pp[i].centre(oldPoints);
112  }
113 
114  vectorField Up = (pp.faceCentres() - oldFc)/mesh.time().deltaT().value();
115 
116  const volVectorField& U = db().lookupObject<volVectorField>("U");
117  scalarField phip =
119 
120  vectorField n = p.nf();
121  const scalarField& magSf = p.magSf();
122  scalarField Un = phip/(magSf + VSMALL);
123 
124 
125  vectorField::operator=(Up + n*(Un - (n & Up)));
126 
128 }
129 
130 
132 {
134  writeEntry("value", os);
135 }
136 
137 
138 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
139 
141 (
144 );
145 
146 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
147 
148 } // End namespace Foam
149 
150 // ************************ vim: set sw=4 sts=4 et: ************************ //