Program Listing for File RoughLogLawOfTheWall.C
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/*---------------------------------------------------------------------------* \
License
This file is part of libWallModelledLES.
libWallModelledLES 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.
libWallModelledLES 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 libWallModelledLES.
If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "RoughLogLawOfTheWall.H"
#include "addToRunTimeSelectionTable.H"
#include "volFields.H"
#include "scalarListIOList.H"
#include "SingleCellSampler.H"
#include "codeRules.H"
#if !defined(DOXYGEN_SHOULD_SKIP_THIS)
namespace Foam
{
defineTypeNameAndDebug(RoughLogLawOfTheWall, 0);
addToRunTimeSelectionTable(LawOfTheWall, RoughLogLawOfTheWall, Dictionary);
addToRunTimeSelectionTable(LawOfTheWall, RoughLogLawOfTheWall, TypeAndDictionary);
}
#endif
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::RoughLogLawOfTheWall::RoughLogLawOfTheWall
(
const dictionary & dict
)
:
LawOfTheWall(dict),
kappa_(constDict_.lookupOrAddDefault<scalar>("kappa", 0.4)),
#ifdef FOAM_DICTIONARY_NO_GET
#ifdef FOAM_DICTIONARY_HAS_LOOKUP
B_(constDict_.lookup<scalar>("B")),
ks_(constDict_.lookup<scalar>("ks"))
#else
B_(constDict_.lookupType<scalar>("B")),
ks_(constDict_.lookupType<scalar>("ks"))
#endif
#else
B_(constDict_.get<scalar>("B")),
ks_(constDict_.get<scalar>("ks"))
#endif
{
if (debug)
{
printCoeffs();
}
}
Foam::RoughLogLawOfTheWall::RoughLogLawOfTheWall
(
const word & lawName,
const dictionary & dict
)
:
RoughLogLawOfTheWall(dict)
{
}
Foam::RoughLogLawOfTheWall::RoughLogLawOfTheWall
(
const scalar kappa,
const scalar B,
const scalar ks
)
:
LawOfTheWall(),
kappa_(kappa),
B_(B),
ks_(ks)
{
constDict_.add("kappa", kappa);
constDict_.add("B", B);
constDict_.add("ks", ks_);
if (debug)
{
printCoeffs();
}
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void Foam::RoughLogLawOfTheWall::printCoeffs() const
{
Info<< nl << "RoughLogLaw law of the wall" << nl;
Info<< token::BEGIN_BLOCK << incrIndent << nl;
Info<< indent << "kappa" << indent << kappa_ << nl;
Info<< indent << "B" << indent << B_ << nl;
Info<< indent << "ks" << indent << ks_ << nl;
Info<< token::END_BLOCK << nl << nl;
}
Foam::scalar Foam::RoughLogLawOfTheWall::value
(
const SingleCellSampler & sampler,
label index,
scalar uTau,
scalar nu
) const
{
const scalarListIOList & U = sampler.db().lookupObject<scalarListIOList>("U");
scalar u = mag(vector(U[index][0], U[index][1], U[index][2]));
scalar y = sampler.h()[index];
return value(u, y, uTau, nu);
}
Foam::scalar Foam::RoughLogLawOfTheWall::value
(
scalar u,
scalar y,
scalar uTau,
scalar nu
) const
{
scalar denom = 1/kappa_*log(y/ks_) + B_;
return uTau - u/denom;
}
Foam::scalar Foam::RoughLogLawOfTheWall::derivative
(
const SingleCellSampler & sampler,
label index,
scalar uTau,
scalar nu
) const
{
return 1;
}
Foam::scalar Foam::RoughLogLawOfTheWall::derivative() const
{
return 1;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //