One equation eddy-viscosity model. More...
Public Types | |
typedef BasicMomentumTransportModel::alphaField | alphaField |
typedef BasicMomentumTransportModel::rhoField | rhoField |
Public Types inherited from LESeddyViscosity< BasicMomentumTransportModel > | |
typedef BasicMomentumTransportModel::alphaField | alphaField |
typedef BasicMomentumTransportModel::rhoField | rhoField |
Public Types inherited from eddyViscosity< LESModel< BasicMomentumTransportModel > > | |
typedef BasicMomentumTransportModel::alphaField | alphaField |
typedef BasicMomentumTransportModel::rhoField | rhoField |
Public Types inherited from linearViscousStress< BasicMomentumTransportModel > | |
typedef BasicMomentumTransportModel::alphaField | alphaField |
typedef BasicMomentumTransportModel::rhoField | rhoField |
Public Member Functions | |
TypeName ("kEqn") | |
Runtime type information. More... | |
kEqn (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity, const word &type=typeName) | |
Constructor from components. More... | |
kEqn (const kEqn &)=delete | |
Disallow default bitwise copy construction. More... | |
virtual | ~kEqn () |
Destructor. More... | |
virtual bool | read () |
Read model coefficients if they have changed. More... | |
virtual tmp< volScalarField > | k () const |
Return SGS kinetic energy. More... | |
virtual tmp< volScalarField > | epsilon () const |
Return sub-grid disipation rate. More... | |
tmp< volScalarField > | DkEff () const |
Return the effective diffusivity for k. More... | |
virtual void | correct () |
Correct eddy-Viscosity and related properties. More... | |
void | operator= (const kEqn &)=delete |
Disallow default bitwise assignment. More... | |
Public Member Functions inherited from LESeddyViscosity< BasicMomentumTransportModel > | |
LESeddyViscosity (const word &type, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity) | |
Construct from components. More... | |
LESeddyViscosity (const LESeddyViscosity &)=delete | |
Disallow default bitwise copy construction. More... | |
virtual | ~LESeddyViscosity () |
Destructor. More... | |
virtual tmp< volScalarField > | omega () const |
Return the turbulence specific dissipation rate. More... | |
void | operator= (const LESeddyViscosity &)=delete |
Disallow default bitwise assignment. More... | |
Public Member Functions inherited from eddyViscosity< LESModel< BasicMomentumTransportModel > > | |
eddyViscosity (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity) | |
Construct from components. More... | |
virtual | ~eddyViscosity () |
Destructor. More... | |
virtual tmp< volScalarField > | nut () const |
Return the turbulence viscosity. More... | |
virtual tmp< scalarField > | nut (const label patchi) const |
Return the turbulence viscosity on patch. More... | |
virtual tmp< volSymmTensorField > | sigma () const |
Return the Reynolds stress tensor [m^2/s^2]. More... | |
virtual void | validate () |
Validate the turbulence fields after construction. More... | |
Public Member Functions inherited from linearViscousStress< BasicMomentumTransportModel > | |
linearViscousStress (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity) | |
Construct from components. More... | |
virtual | ~linearViscousStress () |
Destructor. More... | |
virtual tmp< volSymmTensorField > | devTau () const |
Return the effective stress tensor. More... | |
virtual tmp< fvVectorMatrix > | divDevTau (volVectorField &U) const |
Return the source term for the momentum equation. More... | |
virtual tmp< fvVectorMatrix > | divDevTau (const volScalarField &rho, volVectorField &U) const |
Return the source term for the momentum equation. More... | |
Protected Member Functions | |
virtual void | correctNut () |
virtual tmp< fvScalarMatrix > | kSource () const |
Protected Attributes | |
volScalarField | k_ |
dimensionedScalar | Ck_ |
Protected Attributes inherited from LESeddyViscosity< BasicMomentumTransportModel > | |
dimensionedScalar | Ck_ |
dimensionedScalar | Ce_ |
Protected Attributes inherited from eddyViscosity< LESModel< BasicMomentumTransportModel > > | |
volScalarField | nut_ |
One equation eddy-viscosity model.
Eddy viscosity SGS model using a modeled balance equation to simulate the behaviour of k.
Reference:
Yoshizawa, A. (1986). Statistical theory for compressible turbulent shear flows, with the application to subgrid modeling. Physics of Fluids (1958-1988), 29(7), 2152-2164.
The default model coefficients are
kEqnCoeffs { Ck 0.094; Ce 1.048; }
typedef BasicMomentumTransportModel::alphaField alphaField |
kEqn | ( | const alphaField & | alpha, |
const rhoField & | rho, | ||
const volVectorField & | U, | ||
const surfaceScalarField & | alphaRhoPhi, | ||
const surfaceScalarField & | phi, | ||
const viscosity & | viscosity, | ||
const word & | type = typeName |
||
) |
Constructor from components.
Definition at line 66 of file kEqn.C.
References Foam::bound(), kEqn< BasicMomentumTransportModel >::k_, and Foam::type().
Disallow default bitwise copy construction.
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protectedvirtual |
Implements eddyViscosity< LESModel< BasicMomentumTransportModel > >.
Reimplemented in NicenoKEqn< BasicMomentumTransportModel >.
Definition at line 40 of file kEqn.C.
References delta, dictionary::New(), and Foam::sqrt().
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protectedvirtual |
Reimplemented in NicenoKEqn< BasicMomentumTransportModel >, and continuousGasKEqn< BasicMomentumTransportModel >.
Definition at line 49 of file kEqn.C.
References Foam::dimTime, and Foam::dimVolume.
TypeName | ( | "kEqn< BasicMomentumTransportModel >" | ) |
Runtime type information.
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virtual |
Read model coefficients if they have changed.
Reimplemented from LESeddyViscosity< BasicMomentumTransportModel >.
Reimplemented in NicenoKEqn< BasicMomentumTransportModel >, and continuousGasKEqn< BasicMomentumTransportModel >.
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inlinevirtual |
Return SGS kinetic energy.
Implements eddyViscosity< LESModel< BasicMomentumTransportModel > >.
Definition at line 134 of file kEqn.H.
References kEqn< BasicMomentumTransportModel >::k_.
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virtual |
Return sub-grid disipation rate.
Reimplemented from LESeddyViscosity< BasicMomentumTransportModel >.
Definition at line 139 of file kEqn.C.
References delta, k, GeometricField< Type, PatchField, GeoMesh >::New(), and Foam::sqrt().
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inline |
Return the effective diffusivity for k.
Definition at line 143 of file kEqn.H.
References GeometricField< Type, PatchField, GeoMesh >::New(), and eddyViscosity< LESModel< BasicMomentumTransportModel > >::nut_.
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virtual |
Correct eddy-Viscosity and related properties.
Implements eddyViscosity< LESModel< BasicMomentumTransportModel > >.
Definition at line 150 of file kEqn.C.
References Foam::fvc::absolute(), alpha(), Foam::bound(), tmp< T >::clear(), fvConstraints::constrain(), eddyViscosity< LESModel< BasicMomentumTransportModel > >::correct(), Foam::fvm::ddt(), delta, Foam::dev(), Foam::fvc::div(), Foam::fvm::div(), fvConstraints(), fvModels(), Foam::constant::universal::G, Foam::fvc::grad(), Foam::fvm::laplacian(), dictionary::New(), nut, rho, Foam::solve(), fvModels::source(), Foam::fvm::Sp(), Foam::sqrt(), Foam::fvm::SuSp(), Foam::twoSymm(), and U.
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delete |
Disallow default bitwise assignment.
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protected |
Definition at line 81 of file kEqn.H.
Referenced by kEqn< BasicMomentumTransportModel >::k(), and kEqn< BasicMomentumTransportModel >::kEqn().
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protected |