interfaceCompression.H
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10 
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23 
24 Class
25  Foam::interfaceCompressionLimiter
26 
27 Description
28  Interface compression scheme currently based on the generic limited
29  scheme although it does not use the NVD/TVD functions.
30 
31 SourceFiles
32  interfaceCompression.C
33 
34 \*---------------------------------------------------------------------------*/
35 
36 #ifndef interfaceCompression_H
37 #define interfaceCompression_H
38 
39 #include "vector.H"
40 
41 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
42 
43 namespace Foam
44 {
45 
46 /*---------------------------------------------------------------------------*\
47  Class interfaceCompressionWeight Declaration
48 \*---------------------------------------------------------------------------*/
49 
51 {
52 
53 public:
54 
56  {}
57 
58  scalar limiter
59  (
60  const scalar cdWeight,
61  const scalar faceFlux,
62  const scalar phiP,
63  const scalar phiN,
64  const vector&,
65  const scalar
66  ) const
67  {
68  // Quadratic compression scheme
69  // return min(max(4*min(phiP*(1 - phiP), phiN*(1 - phiN)), 0), 1);
70 
71  // Quartic compression scheme
72  return
73  min(max(
74  1 - max(sqr(1 - 4*phiP*(1 - phiP)), sqr(1 - 4*phiN*(1 - phiN))),
75  0), 1);
76  }
77 };
78 
79 
80 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
81 
82 } // End namespace Foam
83 
84 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
85 
86 #endif
87 
88 // ************************************************************************* //
dimensioned< Type > max(const dimensioned< Type > &, const dimensioned< Type > &)
dimensionedSymmTensor sqr(const dimensionedVector &dv)
An Istream is an abstract base class for all input systems (streams, files, token lists etc)...
Definition: Istream.H:57
scalar limiter(const scalar cdWeight, const scalar faceFlux, const scalar phiP, const scalar phiN, const vector &, const scalar) const
dimensioned< Type > min(const dimensioned< Type > &, const dimensioned< Type > &)
Interface compression scheme currently based on the generic limited scheme although it does not use t...
Namespace for OpenFOAM.