FreeFOAM The Cross-Platform CFD Toolkit
localMax.H
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23 
24 Class
25  Foam::localMax
26 
27 Description
28  LocalMax-mean differencing scheme class.
29 
30  This scheme interpolates 1/field using a scheme specified at run-time
31  and return the reciprocal of the interpolate.
32 
33 SourceFiles
34  localMax.C
35 
36 \*---------------------------------------------------------------------------*/
37 
38 #ifndef localMax_H
39 #define localMax_H
40 
42 #include <finiteVolume/volFields.H>
44 
45 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
46 
47 namespace Foam
48 {
49 
50 /*---------------------------------------------------------------------------*\
51  Class localMax Declaration
52 \*---------------------------------------------------------------------------*/
53 
54 template<class Type>
55 class localMax
56 :
57  public surfaceInterpolationScheme<Type>
58 {
59  // Private Member Functions
60 
61  //- Disallow default bitwise assignment
62  void operator=(const localMax&);
63 
64 
65 public:
66 
67  //- Runtime type information
68  TypeName("localMax");
69 
70 
71  // Constructors
72 
73  //- Construct from mesh
75  :
76  surfaceInterpolationScheme<Type>(mesh)
77  {}
78 
79  //- Construct from Istream.
80  // The name of the flux field is read from the Istream and looked-up
81  // from the mesh objectRegistry
82  localMax
83  (
84  const fvMesh& mesh,
85  Istream& is
86  )
87  :
89  {}
90 
91  //- Construct from faceFlux and Istream
92  localMax
93  (
94  const fvMesh& mesh,
95  const surfaceScalarField& faceFlux,
96  Istream& is
97  )
98  :
100  {}
101 
102 
103  // Member Functions
104 
105  //- Return the interpolation weighting factors
107  (
109  ) const
110  {
112  (
113  "localMax::weights"
114  "(const GeometricField<Type, fvPatchField, volMesh>&)"
115  );
116 
117  return tmp<surfaceScalarField>(NULL);
118  }
119 
120  //- Return the face-interpolate of the given cell field
123  (
125  ) const
126  {
127  const fvMesh& mesh = vf.mesh();
128 
130  (
132  (
133  IOobject
134  (
135  vf.name(),
136  mesh.time().timeName(),
137  mesh
138  ),
139  mesh,
140  vf.dimensions()
141  )
142  );
144 
145  forAll(vff.boundaryField(), patchi)
146  {
147  vff.boundaryField()[patchi] = vf.boundaryField()[patchi];
148  }
149 
150  const unallocLabelList& own = mesh.owner();
151  const unallocLabelList& nei = mesh.neighbour();
152 
153  forAll(vff, facei)
154  {
155  vff[facei] = max(vf[own[facei]], vf[nei[facei]]);
156  }
157 
158  return tvff;
159  }
160 };
161 
162 
163 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
164 
165 } // End namespace Foam
166 
167 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
168 
169 #endif
170 
171 // ************************ vim: set sw=4 sts=4 et: ************************ //