Detailed Description

Realizable k-epsilon turbulence model for incompressible flows.

Model described in the paper:

"A New k-epsilon Eddy Viscosity Model for High Reynolds Number
Turbulent Flows"

Tsan-Hsing Shih, William W. Liou, Aamir Shabbir, Zhigang Tang and
Jiang Zhu

Computers and Fluids Vol. 24, No. 3, pp. 227-238, 1995

The default model coefficients correspond to the following:

realizableKECoeffs
{
Cmu 0.09;
A0  4.0;
C2  1.9;
sigmak  1.0;
sigmaEps1.2;
}

Source files

Definition at line 76 of file realizableKE.H.

Inheritance diagram for realizableKE:

Collaboration diagram for realizableKE:

List of all members.

Public Member Functions
	TypeName ("realizableKE")
	Runtime type information.
	realizableKE (const volVectorField &U, const surfaceScalarField &phi, transportModel &transport)
	Construct from components.
virtual	~realizableKE ()
	Destructor.
virtual tmp< volScalarField >	nut () const
	Return the turbulence viscosity.
tmp< volScalarField >	DkEff () const
	Return the effective diffusivity for k.
tmp< volScalarField >	DepsilonEff () const
	Return the effective diffusivity for epsilon.
virtual tmp< volScalarField >	k () const
	Return the turbulence kinetic energy.
virtual tmp< volScalarField >	epsilon () const
	Return the turbulence kinetic energy dissipation rate.
virtual tmp< volSymmTensorField >	R () const
	Return the Reynolds stress tensor.
virtual tmp< volSymmTensorField >	devReff () const
	Return the effective stress tensor including the laminar stress.
virtual tmp< fvVectorMatrix >	divDevReff (volVectorField &U) const
	Return the source term for the momentum equation.
virtual void	correct ()
	Solve the turbulence equations and correct the turbulence viscosity.
virtual bool	read ()
	Read RASProperties dictionary.
Public Member Functions inherited from incompressible::RASModel
	TypeName ("RASModel")
	Runtime type information.
	declareRunTimeSelectionTable (autoPtr, RASModel, dictionary,(const volVectorField &U, const surfaceScalarField &phi, transportModel &lamTransportModel),(U, phi, lamTransportModel))
	RASModel (const word &type, const volVectorField &U, const surfaceScalarField &phi, transportModel &lamTransportModel)
	Construct from components.
virtual	~RASModel ()
	Destructor.
const dimensionedScalar &	k0 () const
	Return the value of k0 which k is not allowed to be less than.
const dimensionedScalar &	epsilon0 () const
	Return the value of epsilon0 which epsilon is not allowed to be.
const dimensionedScalar &	epsilonSmall () const
	Return the value of epsilonSmall which is added to epsilon when.
const dimensionedScalar &	omega0 () const
	Return the value of omega0 which epsilon is not allowed to be.
const dimensionedScalar &	omegaSmall () const
	Return the value of omegaSmall which is added to epsilon when.
dimensionedScalar &	k0 ()
	Allow k0 to be changed.
dimensionedScalar &	epsilon0 ()
	Allow epsilon0 to be changed.
dimensionedScalar &	epsilonSmall ()
	Allow epsilonSmall to be changed.
dimensionedScalar &	omega0 ()
	Allow omega0 to be changed.
dimensionedScalar &	omegaSmall ()
	Allow omegaSmall to be changed.
const nearWallDist &	y () const
	Return the near wall distances.
scalar	yPlusLam (const scalar kappa, const scalar E) const
	Calculate y+ at the edge of the laminar sublayer.
const dictionary &	coeffDict () const
	Const access to the coefficients dictionary.
virtual tmp< volScalarField >	nuEff () const
	Return the effective viscosity.
virtual tmp< scalarField >	yPlus (const label patchI, const scalar Cmu) const
	Return yPlus for the given patch.
Public Member Functions inherited from incompressible::turbulenceModel
	TypeName ("turbulenceModel")
	Runtime type information.
	declareRunTimeNewSelectionTable (autoPtr, turbulenceModel, turbulenceModel,(const volVectorField &U, const surfaceScalarField &phi, transportModel &lamTransportModel),(U, phi, lamTransportModel))
	turbulenceModel (const volVectorField &U, const surfaceScalarField &phi, transportModel &lamTransportModel)
	Construct from components.
virtual	~turbulenceModel ()
	Destructor.
const volVectorField &	U () const
	Access function to velocity field.
const surfaceScalarField &	phi () const
	Access function to flux field.
transportModel &	transport () const
	Access function to incompressible transport model.
const volScalarField &	nu () const
	Return the laminar viscosity.
virtual tmp< fvVectorMatrix >	divDevReff (volVectorField &U) const =0
	Return the source term for the momentum equation.
Public Member Functions inherited from IOdictionary
	TypeName ("dictionary")
	IOdictionary (const IOobject &)
	Construct given an IOobject.
	IOdictionary (const IOobject &, const dictionary &)
	Construct given an IOobject and dictionary.
virtual	~IOdictionary ()
const word &	name () const
	Name function is needed to disambiguate those inherited.
bool	readData (Istream &)
	ReadData function required for regIOobject read operation.
bool	writeData (Ostream &) const
	WriteData function required for regIOobject write operation.
virtual bool	write () const
	Write using setting from DB.
void	operator= (const IOdictionary &)
	Assignment of other IOdictionary's entries to this IOdictionary.
Public Member Functions inherited from regIOobject
	TypeName ("regIOobject")
	Runtime type information.
	regIOobject (const IOobject &, const bool isTime=false)
	Construct from IOobject. Optional flag for if IOobject is the.
	regIOobject (const regIOobject &)
	Construct as copy.
	regIOobject (const regIOobject &, bool registerCopy)
	Construct as copy, and transferring registry registration to copy.
virtual	~regIOobject ()
bool	checkIn ()
	Add object to registry.
bool	checkOut ()
	Remove object from registry.
bool	ownedByRegistry () const
	Is this object owned by the registry?
void	store ()
	Transfer ownership of this object to its registry.
void	release ()
	Release ownership of this object from its registry.
label	eventNo () const
	Event number at last update.
label &	eventNo ()
	Event number at last update.
bool	upToDate (const word &) const
	Am I uptodate with respect to other regIOobjects.
bool	upToDate (const word &, const word &) const
bool	upToDate (const word &, const word &, const word &) const
bool	upToDate (const word &, const word &, const word &, const word &) const
void	setUpToDate ()
	Flag me as up to date.
virtual void	rename (const word &newName)
	Rename.
Istream &	readStream (const word &)
	Return Istream and check object type against that given.
void	close ()
	Close Istream.
virtual bool	modified () const
	Return true if the object's file has been modified.
virtual bool	readIfModified ()
	Read object if modified.
virtual bool	writeObject (IOstream::streamFormat, IOstream::versionNumber, IOstream::compressionType) const
	Write using given format, version and compression.
void	operator= (const IOobject &)
Public Member Functions inherited from IOobject
	TypeName ("IOobject")
	Runtime type information.
	IOobject (const word &name, const fileName &instance, const objectRegistry &registry, readOption r=NO_READ, writeOption w=NO_WRITE, bool registerObject=true)
	Construct from name, instance, registry, io options.
	IOobject (const word &name, const fileName &instance, const fileName &local, const objectRegistry &registry, readOption r=NO_READ, writeOption w=NO_WRITE, bool registerObject=true)
	Construct from name, instance, local, registry, io options.
	IOobject (const fileName &path, const objectRegistry &registry, readOption r=NO_READ, writeOption w=NO_WRITE, bool registerObject=true)
	Construct from path, registry, io options.
Foam::autoPtr< IOobject >	clone () const
	Clone.
virtual	~IOobject ()
const Time &	time () const
	Return time.
const objectRegistry &	db () const
	Return the local objectRegistry.
const word &	headerClassName () const
	Return name of the class name read from header.
string &	note ()
	Return non-constant access to the optional note.
const string &	note () const
	Return the optional note.
bool	registerObject () const
	Register object created from this IOobject with registry if true.
readOption	readOpt () const
readOption &	readOpt ()
writeOption	writeOpt () const
writeOption &	writeOpt ()
const fileName &	rootPath () const
const fileName &	caseName () const
const fileName &	instance () const
fileName &	instance ()
const fileName &	local () const
fileName	path () const
	Return complete path.
fileName	path (const word &instance, const fileName &local="") const
	Return complete path with alternative instance and local.
fileName	objectPath () const
	Return complete path + object name.
fileName	filePath () const
	Return complete path + object name if the file exists.
bool	readHeader (Istream &)
	Read header.
bool	headerOk ()
	Read and check header info.
bool	writeHeader (Ostream &) const
	Write header.
bool	good () const
bool	bad () const
InfoProxy< IOobject >	info () const
	Return info proxy.
Public Member Functions inherited from dictionary
	ClassName ("dictionary")
	dictionary ()
	Construct top-level dictionary null.
	dictionary (const fileName &name)
	Construct top-level empty dictionary with given name.
	dictionary (const fileName &name, const dictionary &parentDict, Istream &)
	Construct given the entry name, parent dictionary and Istream,.
	dictionary (Istream &)
	Construct top-level dictionary from Istream, reading entries.
	dictionary (const dictionary &parentDict, const dictionary &)
	Construct as copy given the parent dictionary.
	dictionary (const dictionary &)
	Construct top-level dictionary as copy.
	dictionary (const dictionary *)
	Construct top-level dictionary as copy from pointer to dictionary.
	dictionary (const dictionary &parentDict, const Xfer< dictionary > &)
	Construct by transferring parameter contents given parent dictionary.
	dictionary (const Xfer< dictionary > &)
	Construct top-level dictionary by transferring parameter contents.
autoPtr< dictionary >	clone () const
	Construct and return clone.
	~dictionary ()
const dictionary &	parent () const
	Return the parent dictionary.
label	startLineNumber () const
	Return line number of first token in dictionary.
label	endLineNumber () const
	Return line number of last token in dictionary.
SHA1Digest	digest () const
	Return the SHA1 digest of the dictionary contents.
bool	found (const word &, bool recursive=false) const
	Search dictionary for given keyword.
const entry *	lookupEntryPtr (const word &, bool recursive, bool patternMatch) const
	Find and return an entry data stream pointer if present.
entry *	lookupEntryPtr (const word &, bool recursive, bool patternMatch)
	Find and return an entry data stream pointer for manipulation.
const entry &	lookupEntry (const word &, bool recursive, bool patternMatch) const
	Find and return an entry data stream if present otherwise error.
ITstream &	lookup (const word &, bool recursive=false, bool patternMatch=true) const
	Find and return an entry data stream.
template<class T >
T	lookupOrDefault (const word &, const T &, bool recursive=false, bool patternMatch=true) const
	Find and return a T,.
template<class T >
T	lookupOrAddDefault (const word &, const T &, bool recursive=false, bool patternMatch=true)
	Find and return a T, if not found return the given.
template<class T >
bool	readIfPresent (const word &, T &, bool recursive=false, bool patternMatch=true) const
	Find an entry if present, and assign to T.
bool	isDict (const word &) const
	Check if entry is a sub-dictionary.
const dictionary *	subDictPtr (const word &) const
	Find and return a sub-dictionary pointer if present.
const dictionary &	subDict (const word &) const
	Find and return a sub-dictionary.
dictionary &	subDict (const word &)
	Find and return a sub-dictionary for manipulation.
dictionary	subOrEmptyDict (const word &) const
	Find and return a sub-dictionary as a copy, or.
wordList	toc () const
	Return the table of contents.
List< keyType >	keys (bool patterns=false) const
	Return the list of available keys or patterns.
bool	substituteKeyword (const word &keyword)
	Substitute the given keyword prepended by '$' with the.
bool	add (entry *, bool mergeEntry=false)
	Add a new entry.
void	add (const entry &, bool mergeEntry=false)
	Add an entry.
void	add (const keyType &, const word &, bool overwrite=false)
	Add a word entry.
void	add (const keyType &, const string &, bool overwrite=false)
	Add a string entry.
void	add (const keyType &, const label, bool overwrite=false)
	Add a label entry.
void	add (const keyType &, const scalar, bool overwrite=false)
	Add a scalar entry.
void	add (const keyType &, const dictionary &, bool mergeEntry=false)
	Add a dictionary entry.
template<class T >
void	add (const keyType &, const T &, bool overwrite=false)
	Add a T entry.
void	set (entry *)
	Assign a new entry, overwrite any existing entry.
void	set (const entry &)
	Assign a new entry, overwrite any existing entry.
void	set (const keyType &, const dictionary &)
	Assign a dictionary entry, overwrite any existing entry.
template<class T >
void	set (const keyType &, const T &)
	Assign a T entry, overwrite any existing entry.
bool	remove (const word &)
	Remove an entry specified by keyword.
bool	changeKeyword (const keyType &oldKeyword, const keyType &newKeyword, bool forceOverwrite=false)
	Change the keyword for an entry,.
bool	merge (const dictionary &)
	Merge entries from the given dictionary.
void	clear ()
	Clear the dictionary.
void	transfer (dictionary &)
	Transfer the contents of the argument and annul the argument.
Xfer< dictionary >	xfer ()
	Transfer contents to the Xfer container.
bool	read (Istream &)
	Read dictionary from Istream.
void	write (Ostream &, bool subDict=true) const
ITstream &	operator[] (const word &) const
	Find and return entry.
void	operator= (const dictionary &)
void	operator+= (const dictionary &)
	Include entries from the given dictionary.
void	operator\|= (const dictionary &)
	Conditionally include entries from the given dictionary.
void	operator<<= (const dictionary &)
	Unconditionally include entries from the given dictionary.
Public Member Functions inherited from dictionaryName
	dictionaryName ()
	Construct dictionaryName null.
	dictionaryName (const fileName &name)
	Construct dictionaryName as copy of the given fileName.
fileName &	name ()
	Return the dictionary name.
Public Member Functions inherited from IDLList< entry >
	IDLList ()
	Null construct.
	IDLList (const entry &a)
	Construct given initial T.
	IDLList (Istream &is, const INew &inewt)
	Construct from Istream using given Istream constructor class.
	IDLList (Istream &is)
	Construct from Istream.
	IDLList (const IDLList< entry > &idll, const CloneArg &cloneArg)
	Copy constructor with additional argument for clone.
Public Member Functions inherited from ILList< DLListBase, entry >
	ILList ()
	Null construct.
	ILList (entry *a)
	Construct given initial T.
	ILList (Istream &)
	Construct from Istream.
	ILList (const ILList< DLListBase, entry > &)
	Construct as copy.
	ILList (const ILList< DLListBase, entry > &lst, const CloneArg &cloneArg)
	Copy constructor with additional argument for clone.
	ILList (Istream &, const INew &)
	Construct from Istream using given Istream constructor class.
	~ILList ()
bool	eraseHead ()
	Remove the head element specified from the list and delete it.
bool	erase (entry *p)
	Remove the specified element from the list and delete it.
void	transfer (ILList< DLListBase, entry > &)
	Transfer the contents of the argument into this List.
void	operator= (const ILList< DLListBase, entry > &)
Public Member Functions inherited from UILList< DLListBase, entry >
	UILList ()
	Null construct.
	UILList (entry *a)
	Construct given initial T.
	UILList (const UILList< DLListBase, entry > &)
	Construct as copy.
entry *	first ()
	Return the first entry.
const entry *	first () const
	Return the first entry.
entry *	last ()
	Return the last entry.
const entry *	last () const
	Return the last entry.
entry *	removeHead ()
	Remove and return head.
entry *	remove (entry *p)
	Remove and return element.
entry *	remove (iterator &it)
	Remove and return specified by iterator.
void	operator= (const UILList< DLListBase, entry > &)
bool	operator== (const UILList< DLListBase, entry > &) const
	Equality operation on ULists of the same type.
bool	operator!= (const UILList< DLListBase, entry > &) const
	The opposite of the equality operation. Takes linear time.
Public Member Functions inherited from DLListBase
	DLListBase ()
	Null construct.
	DLListBase (link *)
	Construct given initial entry.
	~DLListBase ()
label	size () const
	Return number of elements in list.
bool	empty () const
	Return true if the list is empty.
void	insert (link *)
	Add at head of list.
void	append (link *)
	Add at tail of list.
bool	swapUp (link *)
	Swap this element with the one above unless it is at the top.
bool	swapDown (link *)
	Swap this element with the one below unless it is at the bottom.
link *	remove (link *)
	Remove and return element.
link *	replace (link oldLink, link newLink)
	Replace oldLink with newLink and return element.
link *	replace (iterator &oldIter, link *newLink)
	Replace oldIter with newLink and return element.
void	transfer (DLListBase &)
	Transfer the contents of the argument into this List.
iterator	begin ()
const iterator &	end ()
const_iterator	cbegin () const
const const_iterator &	cend () const
const_iterator	begin () const
const const_iterator &	end () const

Additional Inherited Members
Static Public Member Functions inherited from incompressible::RASModel
static autoPtr< RASModel >	New (const volVectorField &U, const surfaceScalarField &phi, transportModel &lamTransportModel)
	Return a reference to the selected RAS model.
Static Public Member Functions inherited from incompressible::turbulenceModel
static autoPtr< turbulenceModel >	New (const volVectorField &U, const surfaceScalarField &phi, transportModel &lamTransportModel)
	Return a reference to the selected turbulence model.
Protected Member Functions inherited from incompressible::RASModel
virtual void	printCoeffs ()
	Print model coefficients.
Protected Attributes inherited from incompressible::RASModel
Switch	turbulence_
	Turbulence on/off flag.
Switch	printCoeffs_
	Flag to print the model coeffs at run-time.
dictionary	coeffDict_
	Model coefficients dictionary.
dimensionedScalar	k0_
	Lower limit of k.
dimensionedScalar	epsilon0_
	Lower limit of epsilon.
dimensionedScalar	epsilonSmall_
	Small epsilon value used to avoid divide by zero.
dimensionedScalar	omega0_
	Lower limit for omega.
dimensionedScalar	omegaSmall_
	Small omega value used to avoid divide by zero.
nearWallDist	y_
	Near wall distance boundary field.
Protected Attributes inherited from incompressible::turbulenceModel
const Time &	runTime_
const fvMesh &	mesh_
const volVectorField &	U_
const surfaceScalarField &	phi_
transportModel &	transportModel_