1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 1991-2009 OpenCFD Ltd.
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation; either version 2 of the License, or (at your
14 option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM; if not, write to the Free Software Foundation,
23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
29 Harmonic-mean differencing scheme class.
31 This scheme interpolates 1/field using a scheme specified at run-time
32 and return the reciprocal of the interpolate.
37 \*---------------------------------------------------------------------------*/
42 #include "surfaceInterpolationScheme.H"
43 #include "volFields.H"
44 #include "surfaceFields.H"
45 #include "reverseLinear.H"
47 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
52 /*---------------------------------------------------------------------------*\
53 Class harmonic Declaration
54 \*---------------------------------------------------------------------------*/
58 public surfaceInterpolationScheme<scalar>
60 // Private Member Functions
62 //- Disallow default bitwise assignment
63 void operator=(const harmonic&);
68 //- Runtime type information
74 //- Construct from mesh
75 harmonic(const fvMesh& mesh)
77 surfaceInterpolationScheme<scalar>(mesh)
80 //- Construct from Istream.
81 // The name of the flux field is read from the Istream and looked-up
82 // from the mesh objectRegistry
89 surfaceInterpolationScheme<scalar>(mesh)
92 //- Construct from faceFlux and Istream
96 const surfaceScalarField& faceFlux,
100 surfaceInterpolationScheme<scalar>(mesh)
106 //- Return the interpolation weighting factors
107 virtual tmp<surfaceScalarField> weights
109 const GeometricField<scalar, fvPatchField, volMesh>&
115 "(const GeometricField<scalar, fvPatchField, volMesh>&)"
118 return tmp<surfaceScalarField>(NULL);
121 //- Return the face-interpolate of the given cell field
122 virtual tmp<GeometricField<scalar, fvsPatchField, surfaceMesh> >
125 const GeometricField<scalar, fvPatchField, volMesh>& vf
128 return 1.0/(reverseLinear<scalar>(vf.mesh()).interpolate(1.0/vf));
133 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
135 } // End namespace Foam
137 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
141 // ************************************************************************* //