initial commit for version 1.6.x patch release
[OpenFOAM-1.6.x.git] / src / fvMotionSolver / motionDiffusivity / motionDirectional / motionDirectionalDiffusivity.C
blob80a4e5398aa0b5fcfef1b347774062627945ff68
1 /*---------------------------------------------------------------------------*\
2   =========                 |
3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
4    \\    /   O peration     |
5     \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
6      \\/     M anipulation  |
7 -------------------------------------------------------------------------------
8 License
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
19     for more details.
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
25 \*---------------------------------------------------------------------------*/
27 #include "motionDirectionalDiffusivity.H"
28 #include "surfaceInterpolate.H"
29 #include "zeroGradientFvPatchFields.H"
30 #include "addToRunTimeSelectionTable.H"
32 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
34 namespace Foam
36     defineTypeNameAndDebug(motionDirectionalDiffusivity, 0);
38     addToRunTimeSelectionTable
39     (
40         motionDiffusivity,
41         motionDirectionalDiffusivity,
42         Istream
43     );
47 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
49 Foam::motionDirectionalDiffusivity::motionDirectionalDiffusivity
51     const fvMotionSolver& mSolver,
52     Istream& mdData
55     uniformDiffusivity(mSolver, mdData),
56     diffusivityVector_(mdData)
60 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
62 Foam::motionDirectionalDiffusivity::~motionDirectionalDiffusivity()
66 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
68 void Foam::motionDirectionalDiffusivity::correct()
70     const fvMesh& mesh = mSolver().mesh();
72     static bool first = true;
74     if (!first)
75     {
76         const volVectorField& cellMotionU = 
77             mesh.lookupObject<volVectorField>("cellMotionU");
79         volVectorField D
80         (
81             IOobject
82             (
83                 "D",
84                 mesh.time().timeName(),
85                 mesh
86             ),
87             diffusivityVector_.y()*vector::one
88           + (diffusivityVector_.x() - diffusivityVector_.y())*cellMotionU
89            /(mag(cellMotionU) + dimensionedScalar("small", dimVelocity, SMALL)),
90             zeroGradientFvPatchVectorField::typeName
91         );
92         D.correctBoundaryConditions();
94         surfaceVectorField n = mesh.Sf()/mesh.magSf();
95         faceDiffusivity_ == (n & cmptMultiply(fvc::interpolate(D), n));
96     }
97     else
98     {
99         first = false;
100         const_cast<fvMotionSolver&>(mSolver()).solve();
101         correct();
102     }
106 // ************************************************************************* //