tidying compressible wfs - using rasModel to provide fields instead of db lookup, and cache yPlusLam_

This commit is contained in:
andy
2009-08-14 14:45:09 +01:00
parent fcf14db03d
commit 7e2b27751e
4 changed files with 144 additions and 144 deletions

View File

@ -56,6 +56,32 @@ void epsilonWallFunctionFvPatchScalarField::checkType()
} }
scalar epsilonWallFunctionFvPatchScalarField::calcYPlusLam
(
const scalar kappa,
const scalar E
) const
{
scalar ypl = 11.0;
for (int i=0; i<10; i++)
{
ypl = log(E*ypl)/kappa;
}
return ypl;
}
void epsilonWallFunctionFvPatchScalarField::writeLocalEntries(Ostream& os) const
{
writeEntryIfDifferent<word>(os, "G", "RASModel::G", GName_);
os.writeKeyword("Cmu") << Cmu_ << token::END_STATEMENT << nl;
os.writeKeyword("kappa") << kappa_ << token::END_STATEMENT << nl;
os.writeKeyword("E") << E_ << token::END_STATEMENT << nl;
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * // // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
epsilonWallFunctionFvPatchScalarField::epsilonWallFunctionFvPatchScalarField epsilonWallFunctionFvPatchScalarField::epsilonWallFunctionFvPatchScalarField
@ -65,15 +91,13 @@ epsilonWallFunctionFvPatchScalarField::epsilonWallFunctionFvPatchScalarField
) )
: :
fixedInternalValueFvPatchField<scalar>(p, iF), fixedInternalValueFvPatchField<scalar>(p, iF),
UName_("U"),
kName_("k"),
GName_("RASModel::G"), GName_("RASModel::G"),
rhoName_("rho"),
muName_("mu"),
mutName_("mut"),
Cmu_(0.09), Cmu_(0.09),
kappa_(0.41), kappa_(0.41),
E_(9.8) E_(9.8),
yPlusLam_(calcYPlusLam(kappa_, E_))
{ {
checkType(); checkType();
} }
@ -88,15 +112,12 @@ epsilonWallFunctionFvPatchScalarField::epsilonWallFunctionFvPatchScalarField
) )
: :
fixedInternalValueFvPatchField<scalar>(ptf, p, iF, mapper), fixedInternalValueFvPatchField<scalar>(ptf, p, iF, mapper),
UName_(ptf.UName_),
kName_(ptf.kName_),
GName_(ptf.GName_), GName_(ptf.GName_),
rhoName_(ptf.rhoName_),
muName_(ptf.muName_),
mutName_(ptf.mutName_),
Cmu_(ptf.Cmu_), Cmu_(ptf.Cmu_),
kappa_(ptf.kappa_), kappa_(ptf.kappa_),
E_(ptf.E_) E_(ptf.E_),
yPlusLam_(ptf.yPlusLam_)
{ {
checkType(); checkType();
} }
@ -110,15 +131,12 @@ epsilonWallFunctionFvPatchScalarField::epsilonWallFunctionFvPatchScalarField
) )
: :
fixedInternalValueFvPatchField<scalar>(p, iF, dict), fixedInternalValueFvPatchField<scalar>(p, iF, dict),
UName_(dict.lookupOrDefault<word>("U", "U")),
kName_(dict.lookupOrDefault<word>("k", "k")),
GName_(dict.lookupOrDefault<word>("G", "RASModel::G")), GName_(dict.lookupOrDefault<word>("G", "RASModel::G")),
rhoName_(dict.lookupOrDefault<word>("rho", "rho")),
muName_(dict.lookupOrDefault<word>("mu", "mu")),
mutName_(dict.lookupOrDefault<word>("mut", "mut")),
Cmu_(dict.lookupOrDefault<scalar>("Cmu", 0.09)), Cmu_(dict.lookupOrDefault<scalar>("Cmu", 0.09)),
kappa_(dict.lookupOrDefault<scalar>("kappa", 0.41)), kappa_(dict.lookupOrDefault<scalar>("kappa", 0.41)),
E_(dict.lookupOrDefault<scalar>("E", 9.8)) E_(dict.lookupOrDefault<scalar>("E", 9.8)),
yPlusLam_(calcYPlusLam(kappa_, E_))
{ {
checkType(); checkType();
} }
@ -130,15 +148,11 @@ epsilonWallFunctionFvPatchScalarField::epsilonWallFunctionFvPatchScalarField
) )
: :
fixedInternalValueFvPatchField<scalar>(ewfpsf), fixedInternalValueFvPatchField<scalar>(ewfpsf),
UName_(ewfpsf.UName_),
kName_(ewfpsf.kName_),
GName_(ewfpsf.GName_), GName_(ewfpsf.GName_),
rhoName_(ewfpsf.rhoName_),
muName_(ewfpsf.muName_),
mutName_(ewfpsf.mutName_),
Cmu_(ewfpsf.Cmu_), Cmu_(ewfpsf.Cmu_),
kappa_(ewfpsf.kappa_), kappa_(ewfpsf.kappa_),
E_(ewfpsf.E_) E_(ewfpsf.E_),
yPlusLam_(ewfpsf.yPlusLam_)
{ {
checkType(); checkType();
} }
@ -151,15 +165,11 @@ epsilonWallFunctionFvPatchScalarField::epsilonWallFunctionFvPatchScalarField
) )
: :
fixedInternalValueFvPatchField<scalar>(ewfpsf, iF), fixedInternalValueFvPatchField<scalar>(ewfpsf, iF),
UName_(ewfpsf.UName_),
kName_(ewfpsf.kName_),
GName_(ewfpsf.GName_), GName_(ewfpsf.GName_),
rhoName_(ewfpsf.rhoName_),
muName_(ewfpsf.muName_),
mutName_(ewfpsf.mutName_),
Cmu_(ewfpsf.Cmu_), Cmu_(ewfpsf.Cmu_),
kappa_(ewfpsf.kappa_), kappa_(ewfpsf.kappa_),
E_(ewfpsf.E_) E_(ewfpsf.E_),
yPlusLam_(ewfpsf.yPlusLam_)
{ {
checkType(); checkType();
} }
@ -174,33 +184,36 @@ void epsilonWallFunctionFvPatchScalarField::updateCoeffs()
return; return;
} }
const label patchI = patch().index();
const RASModel& rasModel = db().lookupObject<RASModel>("RASProperties"); const RASModel& rasModel = db().lookupObject<RASModel>("RASProperties");
const scalar Cmu25 = pow(Cmu_, 0.25); const scalar Cmu25 = pow(Cmu_, 0.25);
const scalar Cmu75 = pow(Cmu_, 0.75); const scalar Cmu75 = pow(Cmu_, 0.75);
const scalar yPlusLam = rasModel.yPlusLam(kappa_, E_);
const scalarField& y = rasModel.y()[patch().index()]; const scalarField& y = rasModel.y()[patchI];
volScalarField& G = const_cast<volScalarField&> volScalarField& G =
(db().lookupObject<volScalarField>(GName_)); const_cast<volScalarField&>(db().lookupObject<volScalarField>(GName_));
volScalarField& epsilon = const_cast<volScalarField&> DimensionedField<scalar, volMesh>& epsilon =
(db().lookupObject<volScalarField>(dimensionedInternalField().name())); const_cast<DimensionedField<scalar, volMesh>&>
(
dimensionedInternalField()
);
const volScalarField& k = db().lookupObject<volScalarField>(kName_); const tmp<volScalarField> tk = rasModel.k();
const volScalarField& k = tk();
const scalarField& rhow = const scalarField& rhow = rasModel.rho().boundaryField()[patchI];
patch().lookupPatchField<volScalarField, scalar>(rhoName_);
const scalarField& muw = const scalarField& muw = rasModel.mu().boundaryField()[patchI];
patch().lookupPatchField<volScalarField, scalar>(muName_);
const scalarField& mutw = const tmp<volScalarField> tmut = rasModel.mut();
patch().lookupPatchField<volScalarField, scalar>(mutName_); const volScalarField& mut = tmut();
const scalarField& mutw = mut.boundaryField()[patchI];
const fvPatchVectorField& Uw = const fvPatchVectorField& Uw = rasModel.U().boundaryField()[patchI];
patch().lookupPatchField<volVectorField, vector>(UName_);
const scalarField magGradUw = mag(Uw.snGrad()); const scalarField magGradUw = mag(Uw.snGrad());
@ -215,7 +228,7 @@ void epsilonWallFunctionFvPatchScalarField::updateCoeffs()
epsilon[faceCellI] = Cmu75*pow(k[faceCellI], 1.5)/(kappa_*y[faceI]); epsilon[faceCellI] = Cmu75*pow(k[faceCellI], 1.5)/(kappa_*y[faceI]);
if (yPlus > yPlusLam) if (yPlus > yPlusLam_)
{ {
G[faceCellI] = G[faceCellI] =
(mutw[faceI] + muw[faceI]) (mutw[faceI] + muw[faceI])
@ -247,15 +260,7 @@ void epsilonWallFunctionFvPatchScalarField::evaluate
void epsilonWallFunctionFvPatchScalarField::write(Ostream& os) const void epsilonWallFunctionFvPatchScalarField::write(Ostream& os) const
{ {
fixedInternalValueFvPatchField<scalar>::write(os); fixedInternalValueFvPatchField<scalar>::write(os);
writeEntryIfDifferent<word>(os, "U", "U", UName_); writeLocalEntries(os);
writeEntryIfDifferent<word>(os, "k", "k", kName_);
writeEntryIfDifferent<word>(os, "G", "RASModel::G", GName_);
writeEntryIfDifferent<word>(os, "rho", "rho", rhoName_);
writeEntryIfDifferent<word>(os, "mu", "mu", muName_);
writeEntryIfDifferent<word>(os, "mut", "mut", mutName_);
os.writeKeyword("Cmu") << Cmu_ << token::END_STATEMENT << nl;
os.writeKeyword("kappa") << kappa_ << token::END_STATEMENT << nl;
os.writeKeyword("E") << E_ << token::END_STATEMENT << nl;
writeEntry("value", os); writeEntry("value", os);
} }

View File

@ -57,26 +57,13 @@ class epsilonWallFunctionFvPatchScalarField
: :
public fixedInternalValueFvPatchField<scalar> public fixedInternalValueFvPatchField<scalar>
{ {
// Private data protected:
//- Name of velocity field // Protected data
word UName_;
//- Name of turbulence kinetic energy field
word kName_;
//- Name of turbulence generation field //- Name of turbulence generation field
word GName_; word GName_;
//- Name of density field
word rhoName_;
//- Name of laminar viscosity field
word muName_;
//- Name of turbulent viscosity field
word mutName_;
//- Cmu coefficient //- Cmu coefficient
scalar Cmu_; scalar Cmu_;
@ -86,11 +73,20 @@ class epsilonWallFunctionFvPatchScalarField
//- E coefficient //- E coefficient
scalar E_; scalar E_;
//- Y+ at the edge of the laminar sublayer
scalar yPlusLam_;
// Private member functions
// Protected member functions
//- Check the type of the patch //- Check the type of the patch
void checkType(); virtual void checkType();
//- Calculate the Y+ at the edge of the laminar sublayer
virtual scalar calcYPlusLam(const scalar kappa, const scalar E) const;
//- Write local wall function variables
virtual void writeLocalEntries(Ostream&) const;
public: public:
@ -176,7 +172,7 @@ public:
// I-O // I-O
//- Write //- Write
void write(Ostream&) const; virtual void write(Ostream&) const;
}; };

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@ -40,7 +40,7 @@ namespace compressible
namespace RASModels namespace RASModels
{ {
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * // // * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * //
void omegaWallFunctionFvPatchScalarField::checkType() void omegaWallFunctionFvPatchScalarField::checkType()
{ {
@ -56,6 +56,32 @@ void omegaWallFunctionFvPatchScalarField::checkType()
} }
scalar omegaWallFunctionFvPatchScalarField::calcYPlusLam
(
const scalar kappa,
const scalar E
) const
{
scalar ypl = 11.0;
for (int i=0; i<10; i++)
{
ypl = log(E*ypl)/kappa;
}
return ypl;
}
void omegaWallFunctionFvPatchScalarField::writeLocalEntries(Ostream& os) const
{
writeEntryIfDifferent<word>(os, "G", "RASModel::G", GName_);
os.writeKeyword("Cmu") << Cmu_ << token::END_STATEMENT << nl;
os.writeKeyword("kappa") << kappa_ << token::END_STATEMENT << nl;
os.writeKeyword("E") << E_ << token::END_STATEMENT << nl;
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * // // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
omegaWallFunctionFvPatchScalarField::omegaWallFunctionFvPatchScalarField omegaWallFunctionFvPatchScalarField::omegaWallFunctionFvPatchScalarField
@ -65,15 +91,12 @@ omegaWallFunctionFvPatchScalarField::omegaWallFunctionFvPatchScalarField
) )
: :
fixedInternalValueFvPatchField<scalar>(p, iF), fixedInternalValueFvPatchField<scalar>(p, iF),
UName_("U"),
rhoName_("rho"),
kName_("k"),
GName_("RASModel::G"), GName_("RASModel::G"),
muName_("mu"),
mutName_("mut"),
Cmu_(0.09), Cmu_(0.09),
kappa_(0.41), kappa_(0.41),
E_(9.8) E_(9.8),
yPlusLam_(calcYPlusLam(kappa_, E_))
{ {
checkType(); checkType();
} }
@ -88,15 +111,11 @@ omegaWallFunctionFvPatchScalarField::omegaWallFunctionFvPatchScalarField
) )
: :
fixedInternalValueFvPatchField<scalar>(ptf, p, iF, mapper), fixedInternalValueFvPatchField<scalar>(ptf, p, iF, mapper),
UName_(ptf.UName_),
rhoName_(ptf.rhoName_),
kName_(ptf.kName_),
GName_(ptf.GName_), GName_(ptf.GName_),
muName_(ptf.muName_),
mutName_(ptf.mutName_),
Cmu_(ptf.Cmu_), Cmu_(ptf.Cmu_),
kappa_(ptf.kappa_), kappa_(ptf.kappa_),
E_(ptf.E_) E_(ptf.E_),
yPlusLam_(ptf.yPlusLam_)
{ {
checkType(); checkType();
} }
@ -110,15 +129,11 @@ omegaWallFunctionFvPatchScalarField::omegaWallFunctionFvPatchScalarField
) )
: :
fixedInternalValueFvPatchField<scalar>(p, iF, dict), fixedInternalValueFvPatchField<scalar>(p, iF, dict),
UName_(dict.lookupOrDefault<word>("U", "U")),
rhoName_(dict.lookupOrDefault<word>("rho", "rho")),
kName_(dict.lookupOrDefault<word>("k", "k")),
GName_(dict.lookupOrDefault<word>("G", "RASModel::G")), GName_(dict.lookupOrDefault<word>("G", "RASModel::G")),
muName_(dict.lookupOrDefault<word>("mu", "mu")),
mutName_(dict.lookupOrDefault<word>("mut", "mut")),
Cmu_(dict.lookupOrDefault<scalar>("Cmu", 0.09)), Cmu_(dict.lookupOrDefault<scalar>("Cmu", 0.09)),
kappa_(dict.lookupOrDefault<scalar>("kappa", 0.41)), kappa_(dict.lookupOrDefault<scalar>("kappa", 0.41)),
E_(dict.lookupOrDefault<scalar>("E", 9.8)) E_(dict.lookupOrDefault<scalar>("E", 9.8)),
yPlusLam_(calcYPlusLam(kappa_, E_))
{ {
checkType(); checkType();
} }
@ -130,15 +145,11 @@ omegaWallFunctionFvPatchScalarField::omegaWallFunctionFvPatchScalarField
) )
: :
fixedInternalValueFvPatchField<scalar>(owfpsf), fixedInternalValueFvPatchField<scalar>(owfpsf),
UName_(owfpsf.UName_),
rhoName_(owfpsf.rhoName_),
kName_(owfpsf.kName_),
GName_(owfpsf.GName_), GName_(owfpsf.GName_),
muName_(owfpsf.muName_),
mutName_(owfpsf.mutName_),
Cmu_(owfpsf.Cmu_), Cmu_(owfpsf.Cmu_),
kappa_(owfpsf.kappa_), kappa_(owfpsf.kappa_),
E_(owfpsf.E_) E_(owfpsf.E_),
yPlusLam_(owfpsf.yPlusLam_)
{ {
checkType(); checkType();
} }
@ -151,15 +162,12 @@ omegaWallFunctionFvPatchScalarField::omegaWallFunctionFvPatchScalarField
) )
: :
fixedInternalValueFvPatchField<scalar>(owfpsf, iF), fixedInternalValueFvPatchField<scalar>(owfpsf, iF),
UName_(owfpsf.UName_),
rhoName_(owfpsf.rhoName_),
kName_(owfpsf.kName_),
GName_(owfpsf.GName_), GName_(owfpsf.GName_),
muName_(owfpsf.muName_),
mutName_(owfpsf.mutName_),
Cmu_(owfpsf.Cmu_), Cmu_(owfpsf.Cmu_),
kappa_(owfpsf.kappa_), kappa_(owfpsf.kappa_),
E_(owfpsf.E_) E_(owfpsf.E_),
yPlusLam_(owfpsf.yPlusLam_)
{ {
checkType(); checkType();
} }
@ -174,8 +182,9 @@ void omegaWallFunctionFvPatchScalarField::updateCoeffs()
return; return;
} }
const label patchI = patch().index();
const RASModel& rasModel = db().lookupObject<RASModel>("RASProperties"); const RASModel& rasModel = db().lookupObject<RASModel>("RASProperties");
const scalar yPlusLam = rasModel.yPlusLam(kappa_, E_);
const scalarField& y = rasModel.y()[patch().index()]; const scalarField& y = rasModel.y()[patch().index()];
const scalar Cmu25 = pow(Cmu_, 0.25); const scalar Cmu25 = pow(Cmu_, 0.25);
@ -183,22 +192,24 @@ void omegaWallFunctionFvPatchScalarField::updateCoeffs()
volScalarField& G = const_cast<volScalarField&> volScalarField& G = const_cast<volScalarField&>
(db().lookupObject<volScalarField>(GName_)); (db().lookupObject<volScalarField>(GName_));
volScalarField& omega = const_cast<volScalarField&> DimensionedField<scalar, volMesh>& omega =
(db().lookupObject<volScalarField>(dimensionedInternalField().name())); const_cast<DimensionedField<scalar, volMesh>&>
(
dimensionedInternalField()
);
const scalarField& k = db().lookupObject<volScalarField>(kName_); const tmp<volScalarField> tk = rasModel.k();
const volScalarField& k = tk();
const scalarField& rhow = const scalarField& rhow = rasModel.rho().boundaryField()[patchI];
patch().lookupPatchField<volScalarField, scalar>(rhoName_);
const scalarField& muw = const scalarField& muw = rasModel.mu().boundaryField()[patchI];
patch().lookupPatchField<volScalarField, scalar>(muName_);
const scalarField& mutw = const tmp<volScalarField> tmut = rasModel.mut();
patch().lookupPatchField<volScalarField, scalar>(mutName_); const volScalarField& mut = tmut();
const scalarField& mutw = mut.boundaryField()[patchI];
const fvPatchVectorField& Uw = const fvPatchVectorField& Uw = rasModel.U().boundaryField()[patchI];
patch().lookupPatchField<volVectorField, vector>(UName_);
const scalarField magGradUw = mag(Uw.snGrad()); const scalarField magGradUw = mag(Uw.snGrad());
@ -213,7 +224,7 @@ void omegaWallFunctionFvPatchScalarField::updateCoeffs()
omega[faceCellI] = sqrt(k[faceCellI])/(Cmu25*kappa_*y[faceI]); omega[faceCellI] = sqrt(k[faceCellI])/(Cmu25*kappa_*y[faceI]);
if (yPlus > yPlusLam) if (yPlus > yPlusLam_)
{ {
G[faceCellI] = G[faceCellI] =
(mutw[faceI] + muw[faceI]) (mutw[faceI] + muw[faceI])
@ -236,15 +247,7 @@ void omegaWallFunctionFvPatchScalarField::updateCoeffs()
void omegaWallFunctionFvPatchScalarField::write(Ostream& os) const void omegaWallFunctionFvPatchScalarField::write(Ostream& os) const
{ {
fixedInternalValueFvPatchField<scalar>::write(os); fixedInternalValueFvPatchField<scalar>::write(os);
writeEntryIfDifferent<word>(os, "U", "U", UName_); writeLocalEntries(os);
writeEntryIfDifferent<word>(os, "rho", "rho", rhoName_);
writeEntryIfDifferent<word>(os, "k", "k", kName_);
writeEntryIfDifferent<word>(os, "G", "RASModel::G", GName_);
writeEntryIfDifferent<word>(os, "mu", "mu", muName_);
writeEntryIfDifferent<word>(os, "mut", "mut", mutName_);
os.writeKeyword("Cmu") << Cmu_ << token::END_STATEMENT << nl;
os.writeKeyword("kappa") << kappa_ << token::END_STATEMENT << nl;
os.writeKeyword("E") << E_ << token::END_STATEMENT << nl;
writeEntry("value", os); writeEntry("value", os);
} }

View File

@ -55,26 +55,13 @@ class omegaWallFunctionFvPatchScalarField
: :
public fixedInternalValueFvPatchField<scalar> public fixedInternalValueFvPatchField<scalar>
{ {
// Private data protected:
//- Name of velocity field // Protected data
word UName_;
//- Name of density field
word rhoName_;
//- Name of turbulence kinetic energy field
word kName_;
//- Name of turbulence generation field //- Name of turbulence generation field
word GName_; word GName_;
//- Name of laminar viscosity field
word muName_;
//- Name of turbulent viscosity field
word mutName_;
//- Cmu coefficient //- Cmu coefficient
scalar Cmu_; scalar Cmu_;
@ -84,11 +71,20 @@ class omegaWallFunctionFvPatchScalarField
//- E coefficient //- E coefficient
scalar E_; scalar E_;
//- Y+ at the edge of the laminar sublayer
scalar yPlusLam_;
// Private member functions
// Protected member functions
//- Check the type of the patch //- Check the type of the patch
void checkType(); virtual void checkType();
//- Calculate the Y+ at the edge of the laminar sublayer
virtual scalar calcYPlusLam(const scalar kappa, const scalar E) const;
//- Write local wall function variables
virtual void writeLocalEntries(Ostream&) const;
public: public:
@ -171,7 +167,7 @@ public:
// I-O // I-O
//- Write //- Write
void write(Ostream&) const; virtual void write(Ostream&) const;
}; };