File size: 3,634 Bytes
5a600cf | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | /*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2026 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "motionDirectionalDiffusivity.H"
#include "surfaceInterpolate.H"
#include "zeroGradientFvPatchFields.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
defineTypeNameAndDebug(motionDirectionalDiffusivity, 0);
addToRunTimeSelectionTable
(
motionDiffusivity,
motionDirectionalDiffusivity,
Istream
);
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::motionDirectionalDiffusivity::motionDirectionalDiffusivity
(
const fvMesh& mesh,
Istream& mdData
)
:
motionDiffusivity(mesh),
diffusivityVector_(mdData)
{}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::motionDirectionalDiffusivity::~motionDirectionalDiffusivity()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
Foam::tmp<Foam::surfaceScalarField>
Foam::motionDirectionalDiffusivity::operator()() const
{
if (mesh().foundObject<volVectorField>("cellMotionU"))
{
const volVectorField& cellMotionU =
mesh().lookupObject<volVectorField>("cellMotionU");
volVectorField D
(
IOobject
(
"D",
mesh().time().name(),
mesh()
),
diffusivityVector_.y()*vector::one
+ (diffusivityVector_.x() - diffusivityVector_.y())*cellMotionU
/(mag(cellMotionU) + dimensionedScalar(dimensions::velocity, small)),
zeroGradientFvPatchVectorField::typeName
);
D.correctBoundaryConditions();
const surfaceVectorField n(mesh().Sf()/mesh().magSf());
return surfaceScalarField::New
(
"faceDiffusivity",
(n & cmptMultiply(fvc::interpolate(D), n))
);
}
else
{
return tmp<surfaceScalarField>
(
new surfaceScalarField
(
IOobject
(
"faceDiffusivity",
mesh().time().name(),
mesh(),
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh(),
dimensionedScalar(dimless, 1.0)
)
);
}
}
// ************************************************************************* //
|