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foam-extend4.1-coherent-io/applications/utilities/preProcessing/applyWallFunctionBoundaryConditions/applyWallFunctionBoundaryConditions.C

363 lines
9.3 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright held by original author
\\/ 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 2 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, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Application
applyWallFunctionBounaryConditions
Description
Updates OpenFOAM RAS cases to use the new (v1.6) wall function framework
Attempts to determine whether case is compressible or incompressible, or
can be supplied with -compressible command line argument
\*---------------------------------------------------------------------------*/
#include "argList.H"
#include "fvMesh.H"
#include "Time.H"
#include "volFields.H"
#include "surfaceFields.H"
#include "incompressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.H"
#include "incompressible/RAS/derivedFvPatchFields/wallFunctions/kqRWallFunctions/kqRWallFunction/kqRWallFunctionFvPatchField.H"
#include "incompressible/RAS/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutWallFunction/nutWallFunctionFvPatchScalarField.H"
#include "incompressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.H"
#include "compressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.H"
#include "compressible/RAS/derivedFvPatchFields/wallFunctions/kqRWallFunctions/kqRWallFunction/kqRWallFunctionFvPatchField.H"
#include "compressible/RAS/derivedFvPatchFields/wallFunctions/mutWallFunctions/mutWallFunction/mutWallFunctionFvPatchScalarField.H"
#include "compressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.H"
using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
bool caseIsCompressible(const fvMesh& mesh)
{
// Attempt flux field
IOobject phiHeader
(
"phi",
mesh.time().timeName(),
mesh,
IOobject::MUST_READ,
IOobject::NO_WRITE
);
if (phiHeader.headerOk())
{
surfaceScalarField phi(phiHeader, mesh);
if (phi.dimensions() == dimDensity*dimVelocity*dimArea)
{
return true;
}
}
// Attempt density field
IOobject rhoHeader
(
"rho",
mesh.time().timeName(),
mesh,
IOobject::MUST_READ,
IOobject::NO_WRITE
);
if (rhoHeader.headerOk())
{
volScalarField rho(rhoHeader, mesh);
if (rho.dimensions() == dimDensity)
{
return true;
}
}
// Attempt pressure field
IOobject pHeader
(
"p",
mesh.time().timeName(),
mesh,
IOobject::MUST_READ,
IOobject::NO_WRITE
);
if (pHeader.headerOk())
{
volScalarField p(pHeader, mesh);
if (p.dimensions() == dimMass/sqr(dimTime)/dimLength)
{
return true;
}
}
// If none of the above are true, assume that the case is incompressible
return false;
}
void createVolScalarField
(
const fvMesh& mesh,
const word& fieldName,
const dimensionSet& dims
)
{
IOobject fieldHeader
(
fieldName,
mesh.time().timeName(),
mesh,
IOobject::MUST_READ,
IOobject::NO_WRITE
);
if (!fieldHeader.headerOk())
{
Info<< "Creating field " << fieldName << nl << endl;
volScalarField field
(
IOobject
(
fieldName,
mesh.time().timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh,
dimensionedScalar("zero", dims, 0.0)
);
field.write();
}
}
void replaceBoundaryType
(
const fvMesh& mesh,
const word& fieldName,
const word& boundaryType,
const string& boundaryValue
)
{
IOobject header
(
fieldName,
mesh.time().timeName(),
mesh,
IOobject::MUST_READ,
IOobject::NO_WRITE
);
if (!header.headerOk())
{
return;
}
Info<< "Updating boundary types for field " << header.name() << endl;
const word oldTypeName = IOdictionary::typeName;
const_cast<word&>(IOdictionary::typeName) = word::null;
IOdictionary dict(header);
const_cast<word&>(IOdictionary::typeName) = oldTypeName;
const_cast<word&>(dict.type()) = dict.headerClassName();
// Make a backup of the old field
word backupName(dict.name() + ".old");
Info<< " copying " << dict.name() << " to "
<< backupName << endl;
IOdictionary dictOld = dict;
dictOld.rename(backupName);
dictOld.regIOobject::write();
// Loop through boundary patches and update
const polyBoundaryMesh& bMesh = mesh.boundaryMesh();
dictionary& boundaryDict = dict.subDict("boundaryField");
forAll(bMesh, patchI)
{
if (bMesh[patchI].isWall())
{
word patchName = bMesh[patchI].name();
dictionary& oldPatch = boundaryDict.subDict(patchName);
dictionary newPatch(dictionary::null);
newPatch.add("type", boundaryType);
newPatch.add("value", ("uniform " + boundaryValue).c_str());
oldPatch = newPatch;
}
}
Info<< " writing updated " << dict.name() << nl << endl;
dict.regIOobject::write();
}
void updateCompressibleCase(const fvMesh& mesh)
{
Info<< "Case treated as compressible" << nl << endl;
createVolScalarField
(
mesh,
"mut",
dimArea/dimTime*dimDensity
);
replaceBoundaryType
(
mesh,
"mut",
compressible::RASModels::mutWallFunctionFvPatchScalarField::typeName,
"0"
);
replaceBoundaryType
(
mesh,
"epsilon",
compressible::RASModels::epsilonWallFunctionFvPatchScalarField::
typeName,
"0"
);
replaceBoundaryType
(
mesh,
"omega",
compressible::RASModels::omegaWallFunctionFvPatchScalarField::typeName,
"0"
);
replaceBoundaryType
(
mesh,
"k",
compressible::RASModels::kqRWallFunctionFvPatchField<scalar>::typeName,
"0"
);
replaceBoundaryType
(
mesh,
"q",
compressible::RASModels::kqRWallFunctionFvPatchField<scalar>::typeName,
"0"
);
replaceBoundaryType
(
mesh,
"R",
compressible::RASModels::kqRWallFunctionFvPatchField<symmTensor>::
typeName,
"(0 0 0 0 0 0)"
);
}
void updateIncompressibleCase(const fvMesh& mesh)
{
Info<< "Case treated as incompressible" << nl << endl;
createVolScalarField(mesh, "nut", dimArea/dimTime);
replaceBoundaryType
(
mesh,
"nut",
incompressible::RASModels::nutWallFunctionFvPatchScalarField::typeName,
"0"
);
replaceBoundaryType
(
mesh,
"epsilon",
incompressible::RASModels::epsilonWallFunctionFvPatchScalarField::
typeName,
"0"
);
replaceBoundaryType
(
mesh,
"omega",
incompressible::RASModels::omegaWallFunctionFvPatchScalarField::
typeName,
"0"
);
replaceBoundaryType
(
mesh,
"k",
incompressible::RASModels::kqRWallFunctionFvPatchField<scalar>::
typeName,
"0"
);
replaceBoundaryType
(
mesh,
"q",
incompressible::RASModels::kqRWallFunctionFvPatchField<scalar>::
typeName,
"0"
);
replaceBoundaryType
(
mesh,
"R",
incompressible::RASModels::kqRWallFunctionFvPatchField<symmTensor>::
typeName,
"(0 0 0 0 0 0)"
);
}
int main(int argc, char *argv[])
{
#include "addTimeOptions.H"
argList::validOptions.insert("compressible", "");
#include "setRootCase.H"
#include "createTime.H"
#include "createMesh.H"
bool compressible = args.optionFound("compressible");
Info<< "Updating turbulence fields to operate using new run time "
<< "selectable" << nl << "wall functions"
<< nl << endl;
if (compressible || caseIsCompressible(mesh))
{
updateCompressibleCase(mesh);
}
else
{
updateIncompressibleCase(mesh);
}
Info<< "End\n" << endl;
return 0;
}
// ************************************************************************* //