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
25 \*---------------------------------------------------------------------------*/
27 #include "motionDirectionalDiffusivity.H"
28 #include "surfaceInterpolate.H"
29 #include "zeroGradientFvPatchFields.H"
30 #include "addToRunTimeSelectionTable.H"
32 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
36 defineTypeNameAndDebug(motionDirectionalDiffusivity, 0);
38 addToRunTimeSelectionTable
41 motionDirectionalDiffusivity,
47 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
49 Foam::motionDirectionalDiffusivity::motionDirectionalDiffusivity
51 const fvMotionSolver& mSolver,
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;
76 const volVectorField& cellMotionU =
77 mesh.lookupObject<volVectorField>("cellMotionU");
84 mesh.time().timeName(),
87 diffusivityVector_.y()*vector::one
88 + (diffusivityVector_.x() - diffusivityVector_.y())*cellMotionU
89 /(mag(cellMotionU) + dimensionedScalar("small", dimVelocity, SMALL)),
90 zeroGradientFvPatchVectorField::typeName
92 D.correctBoundaryConditions();
94 surfaceVectorField n = mesh.Sf()/mesh.magSf();
95 faceDiffusivity_ == (n & cmptMultiply(fvc::interpolate(D), n));
100 const_cast<fvMotionSolver&>(mSolver()).solve();
106 // ************************************************************************* //