Delta formulation that accounts for the orientation of the vorticity vector and a flow-sensitised function to detect 2D flow regions. Delta value is strongly reduced in these regions to accelerate the transition from RANS to LES in hybrid RANS/LES simulations. More...

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Public Member Functions
	TypeName ("SLADelta")
	Runtime type information. More...

	SLADelta (const word &name, const turbulenceModel &turbulence, const dictionary &)
	Construct from name, turbulenceModel and IOdictionary. More...

virtual	~SLADelta ()=default
	Destructor. More...

void	read (const dictionary &)
	Read the LESdelta dictionary. More...

const volScalarField &	hmax () const
	Return the hmax delta field. More...

void	correct ()

Public Member Functions inherited from LESdelta
	TypeName ("LESdelta")
	Runtime type information. More...

	declareRunTimeSelectionTable (autoPtr, LESdelta, dictionary,(const word &name, const turbulenceModel &turbulence, const dictionary &dict),(name, turbulence, dict))

	LESdelta (const word &name, const turbulenceModel &turbulence)
	Construct from name, turbulenceModel and dictionary. More...

virtual	~LESdelta ()=default
	Destructor. More...

const turbulenceModel &	turbulence () const
	Return turbulenceModel reference. More...

virtual	operator const volScalarField & () const

Additional Inherited Members
Static Public Member Functions inherited from LESdelta
static autoPtr< LESdelta >	New (const word &name, const turbulenceModel &turbulence, const dictionary &dict, const word &lookupName="delta")
	Return a reference to the selected LES delta. More...

static autoPtr< LESdelta >	New (const word &name, const turbulenceModel &turbulence, const dictionary &dict, const dictionaryConstructorTableType &additionalConstructors, const word &lookupName="delta")
	Return a reference to the selected LES delta. More...

Protected Member Functions inherited from LESdelta
	LESdelta (const LESdelta &)=delete
	No copy construct. More...

void	operator= (const LESdelta &)=delete
	No copy assignment. More...

Protected Attributes inherited from LESdelta
const turbulenceModel &	turbulenceModel_

volScalarField	delta_

Detailed Description

Delta formulation that accounts for the orientation of the vorticity vector and a flow-sensitised function to detect 2D flow regions. Delta value is strongly reduced in these regions to accelerate the transition from RANS to LES in hybrid RANS/LES simulations.

Reference:

    Shur, M. L., Spalart, P. R., Strelets, M. K., & Travin, A. K. (2015).
    An enhanced version of DES with rapid transition
    from RANS to LES in separated flows.
    Flow, turbulence and combustion, 95(4), 709-737.
    DOI:10.1007/s10494-015-9618-0

Source files

Definition at line 61 of file SLADelta.H.

Constructor & Destructor Documentation

◆ SLADelta()

SLADelta	(	const word &	name,
		const turbulenceModel &	turbulence,
		const dictionary &	dict
	)

Construct from name, turbulenceModel and IOdictionary.

Definition at line 239 of file SLADelta.C.

References Foam::abort(), dict, Foam::endl(), Foam::FatalIOError, FatalIOErrorInFunction, IOobject::groupName(), Foam::Info, Foam::mag(), LESdelta::New(), turbulence, and Foam::type().

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◆ ~SLADelta()

virtual ~SLADelta ( )

virtualdefault

Destructor.

Member Function Documentation

◆ TypeName()

TypeName ( "SLADelta" )

Runtime type information.

◆ read()

void read ( const dictionary & dict )

virtual

Read the LESdelta dictionary.

Implements LESdelta.

Definition at line 375 of file SLADelta.C.

References dict, dictionary::readIfPresent(), and Foam::type().

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◆ hmax()

const volScalarField& hmax ( ) const

inline

Return the hmax delta field.

Definition at line 142 of file SLADelta.H.

◆ correct()

void correct ( )