Solver module for compressible premixed/partially-premixed combustion with turbulence modelling. More...

Inheritance diagram for XiFluid:

Collaboration diagram for XiFluid:

[legend]

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

	XiFluid (fvMesh &mesh)
	Construct from region mesh. More...

	XiFluid (const XiFluid &)=delete
	Disallow default bitwise copy construction. More...

virtual	~XiFluid ()
	Destructor. More...

virtual void	thermophysicalTransportPredictor ()
	Predict thermophysical transport. More...

virtual void	thermophysicalPredictor ()
	Construct and solve the energy equation,. More...

virtual void	thermophysicalTransportCorrector ()
	Correct the thermophysical transport. More...

virtual void	reset ()
	Reset b-Xi and thermodynamics to the unburnt state. More...

void	operator= (const XiFluid &)=delete
	Disallow default bitwise assignment. More...

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

	isothermalFluid (fvMesh &mesh, autoPtr< fluidThermo >)
	Construct from region mesh and thermophysical properties. More...

	isothermalFluid (fvMesh &mesh)
	Construct from region mesh. More...

	isothermalFluid (const isothermalFluid &)=delete
	Disallow default bitwise copy construction. More...

virtual	~isothermalFluid ()
	Destructor. More...

virtual void	preSolve ()
	Called at the start of the time-step, before the PIMPLE loop. More...

virtual void	moveMesh ()
	Called at the start of the PIMPLE loop to move the mesh. More...

virtual void	motionCorrector ()
	Corrections that follow mesh motion. More...

virtual void	prePredictor ()
	Called at the start of the PIMPLE loop. More...

virtual void	momentumTransportPredictor ()
	Predict the momentum transport. More...

virtual void	momentumPredictor ()
	Construct and optionally solve the momentum equation. More...

virtual void	pressureCorrector ()
	Construct and solve the pressure equation in the PISO loop. More...

virtual void	momentumTransportCorrector ()
	Correct the momentum transport. More...

virtual void	postSolve ()
	Called after the PIMPLE loop at the end of the time-step. More...

void	operator= (const isothermalFluid &)=delete
	Disallow default bitwise assignment. More...

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

	fluidSolver (fvMesh &mesh)
	Construct from region mesh. More...

	fluidSolver (const fluidSolver &)=delete
	Disallow default bitwise copy construction. More...

virtual	~fluidSolver ()
	Destructor. More...

virtual scalar	maxDeltaT () const
	Return the current maximum time-step for stable solution. More...

void	operator= (const fluidSolver &)=delete
	Disallow default bitwise assignment. More...

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

	declareRunTimeSelectionTable (autoPtr, solver, fvMesh,(fvMesh &mesh),(mesh))

	solver (fvMesh &mesh)
	Construct from region mesh. More...

	solver (const solver &)=delete
	Disallow default bitwise copy construction. More...

virtual	~solver ()
	Destructor. More...

bool	transient () const

Foam::fvModels &	fvModels () const
	Return the fvModels that are created on demand. More...

Foam::fvConstraints &	fvConstraints () const
	Return the fvConstraints that are created on demand. More...

void	operator= (const solver &)=delete
	Disallow default bitwise assignment. More...

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

	regIOobject (const IOobject &, const bool isTime=false)
	Construct from IOobject. Optional flag for if IOobject is the. More...

	regIOobject (const regIOobject &)
	Copy constructor. More...

	regIOobject (regIOobject &&)
	Move constructor. More...

	regIOobject (const regIOobject &, bool registerCopy)
	Copy constructor, transferring registry registration to copy. More...

	regIOobject (const word &newName, const regIOobject &, bool registerCopy)
	Copy constructor with new name, transferring registry registration. More...

	regIOobject (const IOobject &, const regIOobject &)
	Copy constructor with new IO parameters. More...

virtual	~regIOobject ()
	Destructor. More...

virtual bool	global () const
	Return true if object is global, i.e. same for all processors. More...

virtual bool	globalFile () const
	Return true if object is global, i.e. same for all processors. More...

const fileName &	caseName () const

fileName	path () const
	Return complete path. More...

fileName	objectPath () const
	Return complete path + object name. More...

fileName	filePath () const
	Return complete path + object name if the file exists. More...

bool	checkIn ()
	Add object to registry. More...

bool	checkOut ()
	Remove object from registry. More...

void	addWatch ()
	Add file watch on object (if registered and READ_IF_MODIFIED) More...

bool	registered () const
	Is this object registered with the registry? More...

bool	ownedByRegistry () const
	Is this object owned by the registry? More...

void	store ()
	Transfer ownership of this object to its registry. More...

void	release ()
	Release ownership of this object from its registry. More...

label	eventNo () const
	Event number at last update. More...

label &	eventNo ()
	Event number at last update. More...

bool	upToDate (const regIOobject &) const
	Return true if up-to-date with respect to given object. More...

bool	upToDate (const regIOobject &, const regIOobject &) const
	Return true if up-to-date with respect to given objects. More...

bool	upToDate (const regIOobject &, const regIOobject &, const regIOobject &) const
	Return true if up-to-date with respect to given objects. More...

bool	upToDate (const regIOobject &, const regIOobject &, const regIOobject &, const regIOobject &) const
	Return true if up-to-date with respect to given objects. More...

void	setUpToDate ()
	Set up to date (obviously) More...

virtual void	rename (const word &newName)
	Rename. More...

bool	headerOk ()
	Read and check header info. More...

Istream &	readStream (const word &, const bool read=true)
	Return Istream and check object type against that given. More...

void	close ()
	Close Istream. More...

virtual bool	readData (Istream &)
	Virtual readData function. More...

const labelList &	watchIndices () const
	Return file-monitoring handles. More...

labelList &	watchIndices ()
	Return file-monitoring handles. More...

virtual bool	modified () const
	Return true if the object's file (or files for objectRegistry) More...

virtual bool	readIfModified ()
	Read object if modified (as set by call to modified) More...

virtual bool	writeObject (IOstream::streamFormat, IOstream::versionNumber, IOstream::compressionType, const bool write) const
	Write using given format, version and compression. More...

virtual bool	write (const bool write=true) const
	Write using setting from DB. More...

void	operator= (const IOobject &)=delete
	Assign to IOobject. More...

void	operator= (const regIOobject &)=delete
	Disallow default assignment. More...

const fileName &	caseName (const bool global) const

fileName	path (const bool global) const
	Return complete path including the processor sub-directory. More...

fileName	objectPath (const bool global) const
	Return complete path + object name including the processor. More...

fileName	filePath (const bool global) const
	Return complete path + object name if the file exists. More...

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

	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. More...

	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. More...

	IOobject (const fileName &path, const objectRegistry &registry, readOption r=NO_READ, writeOption w=NO_WRITE, bool registerObject=true)
	Construct from path, registry, io options. More...

	IOobject (const IOobject &io, const objectRegistry &registry)
	Construct from copy resetting registry. More...

	IOobject (const IOobject &io, const word &name)
	Construct from copy resetting name. More...

	IOobject (const IOobject &io)=default
	Copy constructor. More...

autoPtr< IOobject >	clone () const
	Clone. More...

autoPtr< IOobject >	clone (const objectRegistry &registry) const
	Clone resetting registry. More...

virtual	~IOobject ()
	Destructor. More...

const Time &	time () const
	Return time. More...

const objectRegistry &	db () const
	Return the local objectRegistry. More...

const word &	name () const
	Return name. More...

const word &	headerClassName () const
	Return name of the class name read from header. More...

word &	headerClassName ()
	Return name of the class name read from header. More...

string &	note ()
	Return non-constant access to the optional note. More...

const string &	note () const
	Return the optional note. More...

bool &	registerObject ()
	Register object created from this IOobject with registry if true. More...

bool	registerObject () const
	Register object created from this IOobject with registry if true. More...

readOption	readOpt () const

readOption &	readOpt ()

writeOption	writeOpt () const

writeOption &	writeOpt ()

word	group () const
	Return group (extension part of name) More...

word	member () const
	Return member (name without the extension) More...

const fileName &	rootPath () const

const fileName &	caseName (const bool global) const

fileName &	instance () const
	Return the instance directory, constant, system, <time> etc. More...

void	updateInstance () const
	If the instance is a time directory update to the current time. More...

void	updateTimeInstance () const
	Update instance to the current time. More...

const fileName &	local () const

fileName	path (const bool global) const
	Return complete path including the processor sub-directory. More...

fileName	objectPath (const bool global) const
	Return complete path + object name including the processor. More...

fileName	relativePath () const
	Return the path relative to the case directory. More...

fileName	relativeObjectPath () const
	Return complete relativePath + object name. More...

fileName	filePath (const bool global) const
	Return complete path + object name if the file exists. More...

bool	readHeader (Istream &)
	Read header. More...

bool	headerOk ()
	Read header of local object without type-checking. More...

template<class Type >
void	warnNoRereading () const
	Helper: warn that type does not support re-reading. More...

bool	writeHeader (Ostream &) const
	Write header. More...

bool	writeHeader (Ostream &, const word &objectType) const
	Write header. Allow override of type. More...

bool	good () const

bool	bad () const

InfoProxy< IOobject >	info () const
	Return info proxy. More...

void	operator= (const IOobject &)

template<class Name >
Foam::word	groupName (Name name, const word &group)

Public Attributes
const psiuMulticomponentThermo &	thermo
	Reference to the fluid thermophysical properties. More...

const volScalarField &	b
	Reference to the combustion regress variable. More...

const volScalarField &	Su
	Laminar flame speed. More...

const volScalarField &	Xi
	Flame wrinkling. More...

Public Attributes inherited from isothermalFluid
const fluidThermo &	thermo
	Reference to the fluid thermophysical properties. More...

const volScalarField &	p
	Reference to the pressure field. More...

const volScalarField &	p_rgh
	Reference to the buoyant pressure for buoyant cases. More...

const volScalarField &	rho
	Reference to the continuity density field. More...

const volVectorField &	U
	Velocity field. More...

const surfaceScalarField &	phi
	Mass-flux field. More...

Public Attributes inherited from fluidSolver
const scalar &	CoNum
	Current maximum Courant number for time-step control. More...

Public Attributes inherited from solver
const fvMesh &	mesh
	Region mesh. More...

const Time &	runTime
	Time. More...

pimpleNoLoopControl	pimple
	PIMPLE inner-loop controls. More...

Protected Member Functions
void	ftSolve (const fv::convectionScheme< scalar > &mvConvection, const volScalarField &Db)
	Solve the ft equation for partially-premixed mixtures. More...

void	fuSolve (const fv::convectionScheme< scalar > &mvConvection, const volScalarField &Db, const volScalarField &bSource)
	Solve the fu equation for partially- and non- premixed mixtures. More...

void	egrSolve (const fv::convectionScheme< scalar > &mvConvection, const volScalarField &Db)
	Solve the egr mass-fraction equation. More...

tmp< volScalarField >	XiCorr (const volScalarField &Xi, const surfaceScalarField &nf, const dimensionedScalar &dMgb) const
	Apply the early kernel growth correction to the flame-wrinkling Xi. More...

void	bSolve (const fv::convectionScheme< scalar > &mvConvection, const volScalarField &Db)
	Solve the Xi and regress variable equations. More...

void	EauSolve (const fv::convectionScheme< scalar > &mvConvection, const volScalarField &Db)
	Solve the unburnt energy equation. More...

void	EaSolve (const fv::convectionScheme< scalar > &mvConvection, const volScalarField &Db)
	Solve the energy equation. More...

Protected Member Functions inherited from isothermalFluid
tmp< volScalarField::Internal >	pressureWork (const tmp< volScalarField::Internal > &) const
	Adds the mesh-motion work to the pressure work term provided. More...

Protected Member Functions inherited from fluidSolver
virtual bool	dependenciesModified () const
	Return true if the solver's dependencies have been modified. More...

virtual bool	read ()
	Read controls. More...

void	meshCourantNo () const
	Check mesh Courant numbers for moving mesh cases. More...

void	correctCoNum (const surfaceScalarField &phi)
	Correct the cached Courant numbers. More...

void	correctCoNum (const volScalarField &rho, const surfaceScalarField &phi)
	Correct the cached Courant numbers. More...

void	continuityErrors (const surfaceScalarField &phi)
	Calculate and print the continuity errors. More...

void	continuityErrors (const volScalarField &rho, const volScalarField &thermoRho, const surfaceScalarField &phi)
	Calculate and print the continuity errors. More...

Protected Member Functions inherited from regIOobject
bool	readHeaderOk (const IOstream::streamFormat defaultFormat, const word &typeName)
	Read header, check readOpt flags and read data if necessary. More...

Protected Member Functions inherited from IOobject
template<class Type >
bool	typeHeaderOk (const bool checkType)
	Read header using typeGlobalFile to find file. More...

Protected Attributes
psiuMulticomponentThermo &	thermo_

volScalarField &	b_
	Reference to the combustion regress variable. More...

multivariateSurfaceInterpolationScheme< scalar >::fieldTable	fields
	Set of fields used for the multivariate convection scheme. More...

turbulenceThermophysicalTransportModels::unityLewisEddyDiffusivity< RASThermophysicalTransportModel< ThermophysicalTransportModel< compressibleMomentumTransportModel, fluidThermo > > >	thermophysicalTransport

IOdictionary	combustionProperties
	Dictionary of combustion model coefficients. More...

autoPtr< SuModel >	SuModel_
	Strained laminar flame-speed model. More...

autoPtr< XiModel >	XiModel_
	Flame wrinkling model. More...

Protected Attributes inherited from isothermalFluid
autoPtr< fluidThermo >	thermoPtr_
	Pointer to the fluid thermophysical properties. More...

fluidThermo &	thermo_
	Reference to the fluid thermophysical properties. More...

volScalarField &	p_
	Reference to the pressure field. More...

volScalarField	rho_
	The continuity density field. More...

volScalarField::Internal	dpdt
	Rate of change of the pressure. More...

autoPtr< solvers::buoyancy >	buoyancy
	Pointer to the optional buoyancy force. More...

volScalarField &	p_rgh_
	Reference to the buoyant pressure for buoyant cases. More...

Foam::pressureReference	pressureReference
	Pressure reference. More...

volVectorField	U_
	Velocity field. More...

surfaceScalarField	phi_
	Mass-flux field. More...

volScalarField	K
	Kinetic energy field. More...

autoPtr< compressible::momentumTransportModel >	momentumTransport
	Pointer to the momentum transport model. More...

dimensionedScalar	initialMass
	Initial mass in the region. More...

IOMRFZoneList	MRF
	MRF zone list. More...

tmp< volVectorField >	netForce
	Momentum equation net force source term. More...

autoPtr< volVectorField >	rhoU
	Pointer to the vol momentum field. More...

autoPtr< surfaceVectorField >	rhoUf
	Pointer to the surface momentum field. More...

autoPtr< volScalarField >	divrhoU
	Pointer to the vol momentum divergence field. More...

tmp< volScalarField >	trDeltaT
	Optional LTS reciprocal time-step field. More...

tmp< fvVectorMatrix >	tUEqn
	Cached momentum matrix. More...

Protected Attributes inherited from fluidSolver
bool	correctPhi
	Switch to correct the flux after mesh change. More...

scalar	CoNum_
	Current maximum Courant number for time-step control. More...

Protected Attributes inherited from solver
fvMesh &	mesh_
	Region mesh. More...

bool	steady
	Switch for steady-state. More...

bool	LTS
	Switch for local time step transient operation. More...

Additional Inherited Members
Public Types inherited from IOobject
enum	objectState { GOOD , BAD }
	Enumeration defining the valid states of an IOobject. More...

enum	readOption { MUST_READ , MUST_READ_IF_MODIFIED , READ_IF_PRESENT , NO_READ }
	Enumeration defining the read options. More...

enum	writeOption { AUTO_WRITE = 0 , NO_WRITE = 1 }
	Enumeration defining the write options. More...

enum	fileCheckTypes { timeStamp , timeStampMaster , inotify , inotifyMaster }
	Enumeration defining the file checking options. More...

Static Public Member Functions inherited from solver
static autoPtr< solver >	New (const word &solverName, fvMesh &mesh)
	Select, construct and return the solver. More...

static void	load (const word &solverName)
	Load the specified solver library. More...

Static Public Member Functions inherited from regIOobject
template<class Type >
static Type &	store (Type *)
	Transfer ownership of the given object pointer to its registry. More...

template<class Type >
static Type &	store (autoPtr< Type > &)
	Transfer ownership of the given object pointer to its registry. More...

Static Public Member Functions inherited from IOobject
static bool	fileNameComponents (const fileName &path, fileName &instance, fileName &local, word &name)
	Split path into instance, local, name components. More...

template<class Name >
static word	groupName (Name name, const word &group)

static word	group (const word &name)
	Return group (extension part of name) More...

static word	member (const word &name)
	Return member (name without the extension) More...

template<class Stream >
static Stream &	writeBanner (Stream &os, bool noHint=false)
	Write the standard OpenFOAM file/dictionary banner. More...

template<class Stream >
static Stream &	writeDivider (Stream &os)
	Write the standard file section divider. More...

template<class Stream >
static Stream &	writeEndDivider (Stream &os)
	Write the standard end file divider. More...

Static Public Attributes inherited from solver
static scalar	deltaTFactor = 1.2
	deltaT increase factor More...

Static Public Attributes inherited from regIOobject
static float	fileModificationSkew

Static Public Attributes inherited from IOobject
static constexpr const char *	foamFile = "FoamFile"
	Keyword for the FoamFile header sub-dictionary. More...

static const NamedEnum< fileCheckTypes, 4 >	fileCheckTypesNames

static fileCheckTypes	fileModificationChecking
	Type of file modification checking. More...

Detailed Description

Solver module for compressible premixed/partially-premixed combustion with turbulence modelling.

Combusting RANS code using the Weller b-Xi two-equation combustion model. Xi may be obtained by either the solution of the Xi transport equation or from an algebraic expression.

Reference:

    Weller, H. G. (1993).
    The development of a new flame area combustion model
    using conditional averaging.
    Thermo-fluids section report TF 9307.

Both approaches are based on Gulder's flame speed correlation which has been shown to be appropriate by comparison with the results from the spectral model.

Reference:

    Weller, H. G., Marooney, C. J., & Gosman, A. D. (1991, January).
    A new spectral method for calculation of the time-varying area
    of a laminar flame in homogeneous turbulence.
    In Symposium (International) on Combustion
    (Vol. 23, No. 1, pp. 629-636). Elsevier.

Strain effects are incorporated directly into the Xi equation but not in the algebraic approximation. Further work need to be done on this issue, particularly regarding the enhanced removal rate caused by flame compression. Analysis using results of the spectral model will be required.

For cases involving very lean Propane flames or other flames which are very strain-sensitive, a transport equation for the laminar flame speed is present. This equation is derived using heuristic arguments involving the strain time scale and the strain-rate at extinction. the transport velocity is the same as that for the Xi equation.

Reference:

    Weller, H. G., Tabor, G., Gosman, A. D., & Fureby, C. (1998, January).
    Application of a flame-wrinkling LES combustion model
    to a turbulent mixing layer.
    In Symposium (International) on combustion
    (Vol. 27, No. 1, pp. 899-907). Elsevier.

For inhomogeneous mixtures, in addition to the regress variable b, it is necessary to solve for the mixture-fraction ft provided by the leanInhomogeneousMixture and also the fuel mass-fraction fu if there are rich regions in the mixture, provided by the inhomogeneousMixture. Details of the extension of the Weller b-Xi combustion model to non-premixed combustion can be found in the Technical Report TR/HGW/03.

Reference:

    Weller, H. G. (2002, August).
    The Application of the Weller Combustion Models to
    Non-Premixed Combustion.
    (Technical Report TR/HGW/03)

For inhomogeneous mixtures with exhaust gas re-circulation it is necessary to additionally solve for the recirculated exhaust gas mass-fraction egr which is provided by the inhomogeneousEGRMixture mixture.

Uses the flexible PIMPLE (PISO-SIMPLE) solution for time-resolved and pseudo-transient and steady simulations.

Reference:

    Greenshields, C. J., & Weller, H. G. (2022).
    Notes on Computational Fluid Dynamics: General Principles.
    CFD Direct Ltd.: Reading, UK.

Optional fvModels and fvConstraints are provided to enhance the simulation in many ways including adding various sources, chemical reactions, combustion, Lagrangian particles, radiation, surface film etc. and constraining or limiting the solution.

Source files

See also: Foam::solvers::fluidSolver Foam::solvers::isothermalFluid

Definition at line 140 of file XiFluid.H.

Constructor & Destructor Documentation

◆ XiFluid() [1/2]

XiFluid ( fvMesh & mesh )

Construct from region mesh.

Definition at line 44 of file XiFluid.C.

References XiFluid::b, psiuMulticomponentThermo::containsSpecie(), XiFluid::fields, basicThermo::he(), psiuMulticomponentThermo::heu(), XiFluid::thermo, XiFluid::thermo_, Foam::type(), basicThermo::validate(), and psiuMulticomponentThermo::Y().

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◆ XiFluid() [2/2]

XiFluid ( const XiFluid & )

delete

Disallow default bitwise copy construction.

◆ ~XiFluid()

~XiFluid ( )

virtual

Destructor.

Definition at line 126 of file XiFluid.C.

Member Function Documentation

◆ ftSolve()

void ftSolve	(	const fv::convectionScheme< scalar > &	mvConvection,
		const volScalarField &	Db
	)

protected

Solve the ft equation for partially-premixed mixtures.

Definition at line 34 of file thermophysicalPredictor.C.

References fvConstraints::constrain(), Db(), Foam::fvm::ddt(), solver::fvConstraints(), Foam::fvm::laplacian(), mvConvection(), isothermalFluid::phi, fvMatrix< Type >::relax(), isothermalFluid::rho, fvMatrix< Type >::solve(), XiFluid::thermo_, and psiuMulticomponentThermo::Y().

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◆ fuSolve()

void fuSolve	(	const fv::convectionScheme< scalar > &	mvConvection,
		const volScalarField &	Db,
		const volScalarField &	bSource
	)

protected

Solve the fu equation for partially- and non- premixed mixtures.

Definition at line 58 of file thermophysicalPredictor.C.

References b, Foam::constant::universal::c, fvConstraints::constrain(), Db(), Foam::fvm::ddt(), Foam::e, fvConstraints(), Foam::fvc::grad(), Foam::fvm::laplacian(), Foam::mag(), Foam::max(), mvConvection(), fvMatrix< Type >::relax(), rho, fvMatrix< Type >::solve(), Foam::fvm::Sp(), and thermo.

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◆ egrSolve()

void egrSolve	(	const fv::convectionScheme< scalar > &	mvConvection,
		const volScalarField &	Db
	)

protected

Solve the egr mass-fraction equation.

for mixtures with exhaust gas recirculation

Definition at line 104 of file thermophysicalPredictor.C.

References fvConstraints::constrain(), Db(), Foam::fvm::ddt(), fvConstraints(), Foam::fvm::laplacian(), mvConvection(), fvMatrix< Type >::relax(), rho, and fvMatrix< Type >::solve().

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◆ XiCorr()

Foam::tmp< Foam::volScalarField > XiCorr	(	const volScalarField &	Xi,
		const surfaceScalarField &	nf,
		const dimensionedScalar &	dMgb
	)		const

protected

Apply the early kernel growth correction to the flame-wrinkling Xi.

to compensate for the inaccurate flame surface area estimate when the kernel is not fully-developed, i.e. does not have a completely burnt side

Definition at line 129 of file thermophysicalPredictor.C.

References b, Foam::fvc::div(), forAll, fvModels(), GeometricField< Type, GeoMesh, PrimitiveField >::New(), and tmp< T >::ref().

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◆ bSolve()

void bSolve	(	const fv::convectionScheme< scalar > &	mvConvection,
		const volScalarField &	Db
	)

protected

Solve the Xi and regress variable equations.

Definition at line 177 of file thermophysicalPredictor.C.

References b, Foam::constant::universal::c, fvConstraints::constrain(), Db(), Foam::fvm::ddt(), DimensionedField< Type, GeoMesh, PrimitiveField >::dimensions(), Foam::fvc::div(), Foam::fvm::div(), fvConstraints(), fvModels(), Foam::fvc::grad(), Foam::fvc::interpolate(), Foam::fvm::laplacian(), Foam::mag(), fvMesh::magSf(), mesh, mvConvection(), n, fvMatrix< Type >::relax(), rho, fvMesh::Sf(), Foam::fvc::snGrad(), fvMatrix< Type >::solve(), Foam::fvm::Sp(), Foam::fvc::Su(), thermo, and fvMesh::V().

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◆ EauSolve()

void EauSolve	(	const fv::convectionScheme< scalar > &	mvConvection,
		const volScalarField &	Db
	)

protected

Solve the unburnt energy equation.

fvm::div(muEff*fvc::grad(b)/(b + 0.001), heau)

+ fvm::Sp(fvc::div(muEff*fvc::grad(b)/(b + 0.001)), heau)

Definition at line 259 of file thermophysicalPredictor.C.

References fvConstraints::constrain(), Db(), Foam::fvc::ddt(), Foam::fvm::ddt(), Foam::fvc::div(), fvConstraints(), K, Foam::fvm::laplacian(), mvConvection(), IOobject::name(), p, fvMatrix< Type >::relax(), rho, fvMatrix< Type >::solve(), and thermo.

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◆ EaSolve()

void EaSolve	(	const fv::convectionScheme< scalar > &	mvConvection,
		const volScalarField &	Db
	)

protected

Solve the energy equation.

Definition at line 301 of file thermophysicalPredictor.C.

References fvConstraints::constrain(), Db(), Foam::fvc::ddt(), Foam::fvm::ddt(), Foam::fvc::div(), EaEqn(), fvConstraints(), buoyancy::g, K, Foam::fvm::laplacian(), mvConvection(), IOobject::name(), p, rho, and U.

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◆ TypeName()

TypeName ( "XiFluid" )

Runtime type information.

◆ thermophysicalTransportPredictor()

void thermophysicalTransportPredictor ( )

virtual

Predict thermophysical transport.

Reimplemented from isothermalFluid.

Definition at line 132 of file XiFluid.C.

References thermophysicalTransport().

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◆ thermophysicalPredictor()

void thermophysicalPredictor ( )

virtual

Construct and solve the energy equation,.

convert to temperature and update thermophysical and transport properties

Reimplemented from isothermalFluid.

Definition at line 335 of file thermophysicalPredictor.C.

References b, Db(), fvSchemes::div(), fields, forAll, fvModels(), mesh, mvConvection(), fvMesh::schemes(), thermo, and thermophysicalTransport().

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◆ thermophysicalTransportCorrector()

void thermophysicalTransportCorrector ( )

virtual

Correct the thermophysical transport.

Reimplemented from isothermalFluid.

Definition at line 138 of file XiFluid.C.

References thermophysicalTransport().

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◆ reset()

void reset ( )

virtual

Reset b-Xi and thermodynamics to the unburnt state.

for multi-cycle simulations

Definition at line 144 of file XiFluid.C.

◆ operator=()

void operator= ( const XiFluid & )

delete

Disallow default bitwise assignment.

Member Data Documentation

◆ thermo_

psiuMulticomponentThermo& thermo_

protected

Definition at line 149 of file XiFluid.H.

Referenced by XiFluid::ftSolve(), and XiFluid::XiFluid().

◆ b_

volScalarField& b_

protected

Reference to the combustion regress variable.

Definition at line 155 of file XiFluid.H.

◆ fields

multivariateSurfaceInterpolationScheme<scalar>::fieldTable fields

protected

Set of fields used for the multivariate convection scheme.

Definition at line 158 of file XiFluid.H.

Referenced by XiFluid::XiFluid().

◆ thermophysicalTransport

turbulenceThermophysicalTransportModels::unityLewisEddyDiffusivity< RASThermophysicalTransportModel < ThermophysicalTransportModel < compressibleMomentumTransportModel, fluidThermo > > > thermophysicalTransport

protected

Definition at line 173 of file XiFluid.H.

◆ combustionProperties

IOdictionary combustionProperties

protected

Dictionary of combustion model coefficients.

Definition at line 179 of file XiFluid.H.

◆ SuModel_

autoPtr<SuModel> SuModel_

protected

Strained laminar flame-speed model.

Definition at line 182 of file XiFluid.H.

◆ XiModel_

autoPtr<XiModel> XiModel_

protected

Flame wrinkling model.

Definition at line 185 of file XiFluid.H.

◆ thermo

const psiuMulticomponentThermo& thermo

Reference to the fluid thermophysical properties.

Definition at line 249 of file XiFluid.H.

Referenced by XiFluid::XiFluid().

◆ b

const volScalarField& b

Reference to the combustion regress variable.

obtained from the combustion mixture

Definition at line 253 of file XiFluid.H.

Referenced by XiFluid::XiFluid().

◆ Su

const volScalarField& Su

Laminar flame speed.

Definition at line 256 of file XiFluid.H.

◆ Xi

const volScalarField& Xi

Flame wrinkling.

Definition at line 259 of file XiFluid.H.

The documentation for this class was generated from the following files:

applications/modules/XiFluid/XiFluid.H
applications/modules/XiFluid/thermophysicalPredictor.C
applications/modules/XiFluid/XiFluid.C

Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ XiFluid() [1/2]

◆ XiFluid() [2/2]

◆ ~XiFluid()

Member Function Documentation

◆ ftSolve()

◆ fuSolve()

◆ egrSolve()

◆ XiCorr()

◆ bSolve()

◆ EauSolve()

◆ EaSolve()

◆ TypeName()

◆ thermophysicalTransportPredictor()

◆ thermophysicalPredictor()

◆ thermophysicalTransportCorrector()

◆ reset()

◆ operator=()

Member Data Documentation

◆ thermo_

◆ b_

◆ fields

◆ thermophysicalTransport

◆ combustionProperties

◆ SuModel_

◆ XiModel_

◆ thermo

◆ b

◆ Su

◆ Xi