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cubic.H
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23 
24 Class
25  Foam::cubic
26 
27 Description
28  Cubic interpolation scheme class derived from linear and returns
29  linear weighting factors but also applies an explicit correction.
30 
31 SourceFiles
32  cubic.C
33 
34 \*---------------------------------------------------------------------------*/
35 
36 #ifndef cubic_H
37 #define cubic_H
38 
39 #include "linear.H"
40 #include "gaussGrad.H"
41 
42 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
43 
44 namespace Foam
45 {
46 
47 /*---------------------------------------------------------------------------*\
48  Class cubic Declaration
49 \*---------------------------------------------------------------------------*/
50 
51 template<class Type>
52 class cubic
53 :
54  public linear<Type>
55 {
56 
57 public:
58 
59  //- Runtime type information
60  TypeName("cubic");
61 
62 
63  // Constructors
64 
65  //- Construct from mesh
66  cubic(const fvMesh& mesh)
67  :
68  linear<Type>(mesh)
69  {}
70 
71  //- Construct from mesh and Istream
73  (
74  const fvMesh& mesh,
75  Istream&
76  )
77  :
78  linear<Type>(mesh)
79  {}
80 
81  //- Construct from mesh, faceFlux and Istream
83  (
84  const fvMesh& mesh,
85  const surfaceScalarField&,
86  Istream&
87  )
88  :
89  linear<Type>(mesh)
90  {}
91 
92  //- Disallow default bitwise copy construction
93  cubic(const cubic&) = delete;
94 
95 
96  // Member Functions
97 
98  //- Return true if this scheme uses an explicit correction
99  virtual bool corrected() const
100  {
101  return true;
102  }
103 
104  //- Return the explicit correction to the face-interpolate
107  (
109  ) const
110  {
111  const fvMesh& mesh = this->mesh();
112 
113  // calculate the appropriate interpolation factors
114  const surfaceScalarField& lambda = mesh.weights();
115 
116  const surfaceScalarField kSc
117  (
118  lambda*(scalar(1) - lambda*(scalar(3) - scalar(2)*lambda))
119  );
120 
121  const surfaceScalarField kVecP(sqr(scalar(1) - lambda)*lambda);
122  const surfaceScalarField kVecN(sqr(lambda)*(lambda - scalar(1)));
123 
125  (
127  (
128  "cubic::correction(" + vf.name() +')',
130  )
131  );
133  tsfCorr.ref();
134 
135  for (direction cmpt=0; cmpt<pTraits<Type>::nComponents; cmpt++)
136  {
137  sfCorr.replace
138  (
139  cmpt,
140  sfCorr.component(cmpt)
141  + (
143  <
144  typename outerProduct
145  <
146  vector,
147  typename pTraits<Type>::cmptType
148  >::type
150  (
152  <typename pTraits<Type>::cmptType>(mesh)
153  .grad(vf.component(cmpt)),
154  kVecP,
155  kVecN
156  ) & mesh.Sf()
157  )/mesh.magSf()/mesh.surfaceInterpolation::deltaCoeffs()
158  );
159  }
160 
162  Boundary& sfCorrbf = sfCorr.boundaryFieldRef();
163 
164  forAll(sfCorrbf, pi)
165  {
166  if (!sfCorrbf[pi].coupled())
167  {
168  sfCorrbf[pi] = Zero;
169  }
170  }
171 
172  return tsfCorr;
173  }
174 
175 
176  // Member Operators
177 
178  //- Disallow default bitwise assignment
179  void operator=(const cubic&) = delete;
180 };
181 
182 
183 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
184 
185 } // End namespace Foam
186 
187 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
188 
189 #endif
190 
191 // ************************************************************************* //
virtual bool corrected() const
Return true if this scheme uses an explicit correction.
Definition: cubic.H:98
void replace(const direction, const GeometricField< cmptType, PatchField, GeoMesh > &)
tmp< GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh >> grad(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)
Definition: fvcGrad.C:52
#define forAll(list, i)
Loop across all elements in list.
Definition: UList.H:434
const surfaceVectorField & Sf() const
Return cell face area vectors.
const word & name() const
Return name.
Definition: IOobject.H:303
cubic(const fvMesh &mesh)
Construct from mesh.
Definition: cubic.H:65
Central-differencing interpolation scheme class.
Definition: linear.H:50
T & ref() const
Return non-const reference or generate a fatal error.
Definition: tmpI.H:174
dimensionedSymmTensor sqr(const dimensionedVector &dv)
uint8_t direction
Definition: direction.H:45
An Istream is an abstract base class for all input systems (streams, files, token lists etc)...
Definition: Istream.H:57
tmp< GeometricField< cmptType, PatchField, GeoMesh > > component(const direction) const
Return a component of the field.
Traits class for primitives.
Definition: pTraits.H:50
Basic second-order gradient scheme using face-interpolation and Gauss&#39; theorem.
Definition: gaussGrad.H:57
Vector< scalar > vector
A scalar version of the templated Vector.
Definition: vector.H:49
const fvMesh & mesh() const
Return mesh reference.
Cubic interpolation scheme class derived from linear and returns linear weighting factors but also ap...
Definition: cubic.H:51
const surfaceScalarField & weights() const
Return reference to linear difference weighting factors.
static const zero Zero
Definition: zero.H:97
const surfaceScalarField & magSf() const
Return cell face area magnitudes.
static tmp< GeometricField< Type, fvsPatchField, surfaceMesh > > interpolate(const GeometricField< Type, fvPatchField, volMesh > &, const tmp< surfaceScalarField > &, const tmp< surfaceScalarField > &)
Return the face-interpolate of the given cell field.
void operator=(const cubic &)=delete
Disallow default bitwise assignment.
Boundary & boundaryFieldRef()
Return a reference to the boundary field.
Mesh data needed to do the Finite Volume discretisation.
Definition: fvMesh.H:78
fileType type(const fileName &, const bool checkVariants=true, const bool followLink=true)
Return the file type: directory or file.
Definition: POSIX.C:488
dimensionedScalar lambda(laminarTransport.lookup("lambda"))
TypeName("cubic")
Runtime type information.
A class for managing temporary objects.
Definition: PtrList.H:53
virtual tmp< GeometricField< Type, fvsPatchField, surfaceMesh > > correction(const GeometricField< Type, fvPatchField, volMesh > &vf) const
Return the explicit correction to the face-interpolate.
Definition: cubic.H:106
Abstract base class for surface interpolation schemes.
Namespace for OpenFOAM.