Commit e4a77d83 authored by Henry's avatar Henry
Browse files
parents 834aee99 91128b31
......@@ -2,5 +2,6 @@ LESdelta/LESdelta.C
cubeRootVolDelta/cubeRootVolDelta.C
PrandtlDelta/PrandtlDelta.C
smoothDelta/smoothDelta.C
maxhxhyhzDelta/maxhxhyhzDelta.C
LIB = $(FOAM_LIBBIN)/libLESdeltas
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2010-2010 OpenCFD Ltd.
\\/ 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 "maxhxhyhzDelta.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
defineTypeNameAndDebug(maxhxhyhzDelta, 0);
addToRunTimeSelectionTable(LESdelta, maxhxhyhzDelta, dictionary);
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void maxhxhyhzDelta::calcDelta()
{
label nD = mesh().nGeometricD();
tmp<volScalarField> hmax
(
new volScalarField
(
IOobject
(
"hmax",
mesh().time().timeName(),
mesh(),
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh(),
dimensionedScalar("zrero", dimLength, 0.0)
)
);
const cellList& cells = mesh().cells();
forAll(cells,cellI)
{
scalar deltaMaxTmp = 0.0;
const labelList& cFaces = mesh().cells()[cellI];
const point& centrevector = mesh().cellCentres()[cellI];
forAll(cFaces, cFaceI)
{
label faceI = cFaces[cFaceI];
const point& facevector = mesh().faceCentres()[faceI];
scalar tmp = mag(facevector - centrevector);
if (tmp > deltaMaxTmp)
{
deltaMaxTmp = tmp;
}
}
hmax()[cellI] = deltaCoeff_*deltaMaxTmp;
}
if (nD == 3)
{
delta_.internalField() = hmax();
}
else if (nD == 2)
{
WarningIn("maxhxhyhzDelta::calcDelta()")
<< "Case is 2D, LES is not strictly applicable\n"
<< endl;
delta_.internalField() = hmax();
}
else
{
FatalErrorIn("maxhxhyhzDelta::calcDelta()")
<< "Case is not 3D or 2D, LES is not applicable"
<< exit(FatalError);
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
maxhxhyhzDelta::maxhxhyhzDelta
(
const word& name,
const fvMesh& mesh,
const dictionary& dd
)
:
LESdelta(name, mesh),
deltaCoeff_(readScalar(dd.subDict(type() + "Coeffs").lookup("deltaCoeff")))
{
calcDelta();
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void maxhxhyhzDelta::read(const dictionary& dd)
{
dd.subDict(type() + "Coeffs").lookup("deltaCoeff") >> deltaCoeff_;
calcDelta();
}
void maxhxhyhzDelta::correct()
{
if (mesh_.changing())
{
calcDelta();
}
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// ************************************************************************* //
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2010-2010 OpenCFD Ltd.
\\/ 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/>.
Class
Foam::maxhxhyhzDelta
Description
maxhxhyhzDelta takes the maximum of the three dimensions per cell:
max(hx, hy, hz). Valid for structures hexahedral cells only.
SourceFiles
maxhxhyhzDelta.C
\*---------------------------------------------------------------------------*/
#ifndef maxhxhyhzDeltaDelta_H
#define maxhxhyhzDeltaDelta_H
#include "LESdelta.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class maxhxhyhzDelta Declaration
\*---------------------------------------------------------------------------*/
class maxhxhyhzDelta
:
public LESdelta
{
// Private data
scalar deltaCoeff_; //
// Private Member Functions
//- Disallow default bitwise copy construct and assignment
maxhxhyhzDelta(const maxhxhyhzDelta&);
void operator=(const maxhxhyhzDelta&);
// Calculate the delta values
void calcDelta();
public:
//- Runtime type information
TypeName("maxhxhyhzDelta");
// Constructors
//- Construct from name, mesh and IOdictionary
maxhxhyhzDelta
(
const word& name,
const fvMesh& mesh,
const dictionary&
);
//- Destructor
virtual ~maxhxhyhzDelta()
{}
// Member Functions
//- Read the LESdelta dictionary
virtual void read(const dictionary&);
// Correct values
virtual void correct();
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
......@@ -182,7 +182,7 @@ public:
}
//- Access function to filter width
inline const volScalarField& delta() const
virtual const volScalarField& delta() const
{
return delta_();
}
......
......@@ -25,6 +25,7 @@ License
#include "IDDESDelta.H"
#include "addToRunTimeSelectionTable.H"
#include "wallDistReflection.H"
#include "wallDist.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
......@@ -42,25 +43,50 @@ void Foam::IDDESDelta::calcDelta()
{
label nD = mesh().nGeometricD();
volScalarField delta
const volScalarField& hmax = hmax_();
// initialise wallNorm
wallDistReflection wallNorm(mesh());
const volVectorField& n = wallNorm.n();
tmp<volScalarField> faceToFacenMax
(
IOobject
new volScalarField
(
"delta",
mesh_.time().timeName(),
mesh_,
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh_,
dimensionedScalar("zero", dimLength, SMALL),
calculatedFvPatchScalarField::typeName
IOobject
(
"faceToFaceMax",
mesh().time().timeName(),
mesh(),
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh(),
dimensionedScalar("zrero", dimLength, 0.0)
)
);
delta.internalField() = pow(mesh_.V(), 1.0/3.0);
const cellList& cells = mesh().cells();
// initialise hwn as wall distance
volScalarField hwn = wallDist(mesh()).y();
forAll(cells,cellI)
{
scalar deltaMaxTmp = 0.0;
const labelList& cFaces = mesh().cells()[cellI];
const point& faceCentre = mesh().faceCentres()[cFaces[0]];
const vector nCell = n[cellI];
forAll(cFaces, cFaceI)
{
label faceI = cFaces[cFaceI];
const point& faceCentreTwo = mesh().faceCentres()[faceI];
scalar tmp = (faceCentre - faceCentreTwo) & nCell;
if (tmp > deltaMaxTmp)
{
deltaMaxTmp = tmp;
}
}
faceToFacenMax()[cellI] = deltaMaxTmp;
}
if (nD == 3)
{
......@@ -68,8 +94,12 @@ void Foam::IDDESDelta::calcDelta()
deltaCoeff_
*min
(
max(max(cw_*wallDist(mesh()).y(), cw_*delta), hwn),
delta
max
(
max(cw_*wallDist(mesh()).y(), cw_*hmax),
faceToFacenMax()
),
hmax
);
}
else if (nD == 2)
......@@ -82,8 +112,8 @@ void Foam::IDDESDelta::calcDelta()
deltaCoeff_
*min
(
max(max(cw_*wallDist(mesh()).y(), cw_*delta), hwn),
delta
max(max(cw_*wallDist(mesh()).y(), cw_*hmax), faceToFacenMax()),
hmax
);
}
else
......@@ -105,8 +135,12 @@ Foam::IDDESDelta::IDDESDelta
)
:
LESdelta(name, mesh),
deltaCoeff_(readScalar(dd.subDict(type() + "Coeffs").lookup("deltaCoeff"))),
cw_(0)
hmax_(LESdelta::New("hmax", mesh, dd.parent())),
deltaCoeff_
(
readScalar(dd.subDict(type()+"Coeffs").lookup("deltaCoeff"))
),
cw_(0.15)
{
dd.subDict(type() + "Coeffs").readIfPresent("cw", cw_);
calcDelta();
......@@ -127,6 +161,7 @@ void Foam::IDDESDelta::correct()
if (mesh_.changing())
{
calcDelta();
hmax_().correct();
}
}
......
......@@ -54,6 +54,7 @@ class IDDESDelta
{
// Private data
autoPtr<LESdelta> hmax_;
scalar deltaCoeff_;
scalar cw_;
......@@ -85,9 +86,10 @@ public:
);
//- Destructor
~IDDESDelta()
{}
// Destructor
~IDDESDelta()
{}
// Member Functions
......
......@@ -44,26 +44,9 @@ addToRunTimeSelectionTable(LESModel, SpalartAllmarasIDDES, dictionary);
tmp<volScalarField> SpalartAllmarasIDDES::alpha() const
{
volScalarField delta
(
IOobject
(
"delta",
mesh_.time().timeName(),
mesh_,
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh_,
dimensionedScalar("zero", dimLength, SMALL),
calculatedFvPatchScalarField::typeName
);
delta.internalField() = pow(mesh_.V(), 1.0/3.0);
return max
(
0.25 - y_/delta,
0.25 - y_/static_cast<const volScalarField&>(hmax_()),
scalar(-5)
);
}
......@@ -166,7 +149,24 @@ SpalartAllmarasIDDES::SpalartAllmarasIDDES
)
:
SpalartAllmaras(U, phi, transport, turbulenceModelName, modelName),
hmax_
(
LESdelta::New
(
"hmax",
mesh_,
*this
)
),
IDDESDelta_
(
LESdelta::New
(
"IDDESDelta",
mesh_,
this->subDict(typeName + "Coeffs")
)
),
fwStar_
(
dimensioned<scalar>::lookupOrAddToDict
......
......@@ -58,6 +58,8 @@ class SpalartAllmarasIDDES
// Model constants
autoPtr<LESdelta> hmax_;
autoPtr<LESdelta> IDDESDelta_;
dimensionedScalar fwStar_;
dimensionedScalar cl_;
dimensionedScalar ct_;
......@@ -117,6 +119,12 @@ public:
// Member Functions
//- Access function to filter width
virtual const volScalarField& delta() const
{
return IDDESDelta_();
}
//- Read LESProperties dictionary
virtual bool read();
};
......
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