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vanLeer.H
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23 
24 Class
25  Foam::vanLeerLimiter
26 
27 Description
28  Class with limiter function which returns the limiter for the
29  vanLeer differencing scheme based on r obtained from the LimiterFunc
30  class.
31 
32  Used in conjunction with the template class LimitedScheme.
33 
34 SourceFiles
35  vanLeer.C
36 
37 \*---------------------------------------------------------------------------*/
38 
39 #ifndef vanLeer_H
40 #define vanLeer_H
41 
42 #include "vector.H"
43 
44 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
45 
46 namespace Foam
47 {
48 
49 /*---------------------------------------------------------------------------*\
50  Class vanLeerLimiter Declaration
51 \*---------------------------------------------------------------------------*/
52 
53 template<class LimiterFunc>
54 class vanLeerLimiter
55 :
56  public LimiterFunc
57 {
58 
59 public:
60 
62  {}
63 
64  scalar limiter
65  (
66  const scalar,
67  const scalar faceFlux,
68  const typename LimiterFunc::phiType& phiP,
69  const typename LimiterFunc::phiType& phiN,
70  const typename LimiterFunc::gradPhiType& gradcP,
71  const typename LimiterFunc::gradPhiType& gradcN,
72  const vector& d
73  ) const
74  {
75  scalar r = LimiterFunc::r
76  (
77  faceFlux, phiP, phiN, gradcP, gradcN, d
78  );
79 
80  return (r + mag(r))/(1 + mag(r));
81  }
82 };
83 
84 
85 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
86 
87 } // End namespace Foam
88 
89 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
90 
91 #endif
92 
93 // ************************************************************************* //
An Istream is an abstract base class for all input systems (streams, files, token lists etc)...
Definition: Istream.H:57
Class with limiter function which returns the limiter for the vanLeer differencing scheme based on r ...
Definition: vanLeer.H:53
vanLeerLimiter(Istream &)
Definition: vanLeer.H:60
scalar limiter(const scalar, const scalar faceFlux, const typename LimiterFunc::phiType &phiP, const typename LimiterFunc::phiType &phiN, const typename LimiterFunc::gradPhiType &gradcP, const typename LimiterFunc::gradPhiType &gradcN, const vector &d) const
Definition: vanLeer.H:64
dimensioned< scalar > mag(const dimensioned< Type > &)
Namespace for OpenFOAM.