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MUSCL.H
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23 
24 Class
25  Foam::MUSCLLimiter
26 
27 Description
28  Class with limiter function which returns the limiter for the
29  van Leer's MUSCL differencing scheme.
30 
31  Used in conjunction with the template class LimitedScheme.
32 
33 SourceFiles
34  MUSCL.C
35 
36 \*---------------------------------------------------------------------------*/
37 
38 #ifndef MUSCL_H
39 #define MUSCL_H
40 
41 #include "vector.H"
42 
43 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
44 
45 namespace Foam
46 {
47 
48 /*---------------------------------------------------------------------------*\
49  Class MUSCLLimiter Declaration
50 \*---------------------------------------------------------------------------*/
51 
52 template<class LimiterFunc>
53 class MUSCLLimiter
54 :
55  public LimiterFunc
56 {
57 
58 public:
59 
61  {}
62 
63  scalar limiter
64  (
65  const scalar cdWeight,
66  const scalar faceFlux,
67  const typename LimiterFunc::phiType& phiP,
68  const typename LimiterFunc::phiType& phiN,
69  const typename LimiterFunc::gradPhiType& gradcP,
70  const typename LimiterFunc::gradPhiType& gradcN,
71  const vector& d
72  ) const
73  {
74  scalar r = LimiterFunc::r
75  (
76  faceFlux, phiP, phiN, gradcP, gradcN, d
77  );
78 
79  return max(min(min(2*r, 0.5*r + 0.5), 2), 0);
80  }
81 };
82 
83 
84 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
85 
86 } // End namespace Foam
87 
88 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
89 
90 #endif
91 
92 // ************************************************************************* //
Class with limiter function which returns the limiter for the van Leer&#39;s MUSCL differencing scheme...
Definition: MUSCL.H:52
dimensioned< Type > max(const dimensioned< Type > &, const dimensioned< Type > &)
An Istream is an abstract base class for all input systems (streams, files, token lists etc)...
Definition: Istream.H:57
MUSCLLimiter(Istream &)
Definition: MUSCL.H:59
scalar limiter(const scalar cdWeight, 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: MUSCL.H:63
dimensioned< Type > min(const dimensioned< Type > &, const dimensioned< Type > &)
Namespace for OpenFOAM.