surfaceToVolVelocity.C
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25 
26 #include "surfaceToVolVelocity.H"
27 
28 // * * * * * * * * * * * * * * * Global Functions * * * * * * * * * * * * * //
29 
31 (
32  const surfaceVectorField& Uf
33 )
34 {
35  if (!isFaceVelocity(Uf))
36  {
37  return volVectorField::null();
38  }
39 
40  const word UfName(Uf.member());
41 
42  // Find where the old-time suffixes end
43  string::size_type i = UfName.size();
44  while (i > 0 && UfName(i - 2, 2) == "_0") i -= 2;
45 
46  // Split into current name and old-time suffix
47  const word UfCurName = UfName(i);
48  const word Uf_0 = UfName(i, UfName.size());
49 
50  if (UfCurName.back() != 'f')
51  {
52  return volVectorField::null();
53  }
54 
55  const word Uname =
56  IOobject::groupName
57  (
58  UfCurName(UfCurName.size() - 1) + Uf_0,
59  Uf.group()
60  );
61 
62  if (!Uf.mesh().foundObject<volVectorField>(Uname))
63  {
64  return volVectorField::null();
65  }
66 
67  return Uf.mesh().lookupObject<volVectorField>(Uname);
68 }
69 
70 
71 // ************************************************************************* //
graph_traits< Graph >::vertices_size_type size_type
Definition: SloanRenumber.C:73
const Mesh & mesh() const
Return mesh.
Generic GeometricField class.
static word member(const word &name)
Return member (name without the extension)
Definition: IOobject.C:149
static word group(const word &name)
Return group (extension part of name)
Definition: IOobject.C:134
A class for handling words, derived from string.
Definition: word.H:62
bool isFaceVelocity(const DimensionedField< Type, surfaceMesh > &df)
Check if surfaceField is a face velocity or momentum.
Definition: surfaceFields.H:74
const volVectorField & surfaceToVolVelocity(const surfaceVectorField &Uf)
Get the cell velocity field corresponding to a given face velocity, or a.
Return the vol-field velocity corresponding to a given surface-field velocity.