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fvcDDt_subst.C

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00001 /*---------------------------------------------------------------------------*\
00002   =========                 |
00003   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
00004    \\    /   O peration     |
00005     \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
00006      \\/     M anipulation  |
00007 -------------------------------------------------------------------------------
00008 License
00009     This file is part of OpenFOAM.
00010 
00011     OpenFOAM is free software: you can redistribute it and/or modify it
00012     under the terms of the GNU General Public License as published by
00013     the Free Software Foundation, either version 3 of the License, or
00014     (at your option) any later version.
00015 
00016     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
00017     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00019     for more details.
00020 
00021     You should have received a copy of the GNU General Public License
00022     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
00023 
00024 Description
00025     
00026 
00027 \*---------------------------------------------------------------------------*/
00028 
00029 #include "fvcDDt_subst.H"
00030 #include "fvcDiv.H"
00031 #include <finiteVolume/fvMesh.H>
00032 
00033 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00034 
00035 namespace Foam
00036 {
00037 
00038 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00039 
00040 namespace fvc
00041 {
00042 
00043 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00044 
00045 template<class Type>
00046 tmp<GeometricField<Type, fvPatchField, volMesh> >
00047 DDt
00048 (
00049     const surfaceScalarField& phi,
00050     const GeometricField<Type, fvPatchField, volMesh>& psi
00051 )
00052 {
00053     tmp<GeometricField<Type, fvPatchField, volMesh> > ddtDivPhiPsi
00054         = fvc::ddt(psi) + fvc::div(phi, psi);
00055 
00056     if (phi.mesh().moving())
00057     {
00058         return ddtDivPhiPsi - fvc::div(phi + phi.mesh().phi())*psi;
00059     }
00060     else
00061     {
00062         return ddtDivPhiPsi - fvc::div(phi)*psi;
00063     }
00064 }
00065 
00066 
00067 template<class Type>
00068 tmp<GeometricField<Type, fvPatchField, volMesh> >
00069 DDt
00070 (
00071     const tmp<surfaceScalarField>& tphi,
00072     const GeometricField<Type, fvPatchField, volMesh>& psi
00073 )
00074 {
00075     tmp<GeometricField<Type, fvPatchField, volMesh> > DDtPsi
00076     (
00077         fvc::DDt(tphi(), psi)
00078     );
00079     tphi.clear();
00080     return DDtPsi;
00081 }
00082 
00083 
00084 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00085 
00086 } // End namespace fvc
00087 
00088 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00089 
00090 } // End namespace Foam
00091 
00092 // ************************ vim: set sw=4 sts=4 et: ************************ //
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