Base class for expressions involving multiple fields. More...

Inheritance diagram for fieldsExpression:

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Collaboration diagram for fieldsExpression:

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

	fieldsExpression (const word &name, const Time &runTime, const dictionary &dict, const wordList &fieldNames=wordList::null(), const word &resultName=word::null)
	Construct from Time and dictionary. More...

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

virtual	~fieldsExpression ()
	Destructor. More...

virtual bool	read (const dictionary &)
	Read the fieldsExpression data. More...

virtual wordList	fields () const
	Return the list of fields required. More...

virtual bool	execute ()
	Calculate the result fields. More...

virtual bool	write ()
	Write the result fields. More...

virtual bool	clear ()
	Clear the result fields from the objectRegistry. More...

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

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

	fvMeshFunctionObject (const word &name, const Time &runTime, const dictionary &dict)
	Construct from Time and dictionary. More...

	fvMeshFunctionObject (const word &name, const objectRegistry &obr)
	Construct from the region objectRegistry. More...

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

virtual	~fvMeshFunctionObject ()
	Destructor. More...

const fvMesh &	mesh () const
	Return a reference to the mesh. More...

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

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

	regionFunctionObject (const word &name, const Time &runTime, const dictionary &dict)
	Construct from Time and dictionary. More...

	regionFunctionObject (const word &name, const objectRegistry &obr)
	Construct from the region objectRegistry. More...

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

virtual	~regionFunctionObject ()
	Destructor. More...

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

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

	objectRegistryFunctionObject (const word &name, const objectRegistry &obr, const dictionary &dict)
	Construct from an objectRegistry and dictionary. More...

	objectRegistryFunctionObject (const word &name, const objectRegistry &obr)
	Construct from an objectRegistry. More...

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

virtual	~objectRegistryFunctionObject ()
	Destructor. More...

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

Public Member Functions inherited from functionObject
	ClassName ("functionObject")

virtual const word &	type () const =0
	Runtime type information. More...

	declareRunTimeSelectionTable (autoPtr, functionObject, dictionary,(const word &name, const Time &runTime, const dictionary &dict),(name, runTime, dict))

	functionObject (const word &name, const Time &runTime)
	Construct from components. More...

	functionObject (const word &name, const Time &runTime, const dictionary &dict)
	Construct from dictionary. More...

autoPtr< functionObject >	clone () const
	Return clone. More...

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

virtual	~functionObject ()
	Destructor. More...

const word &	name () const
	Return the name of this functionObject. More...

virtual bool	executeAtStart () const
	Return true if the functionObject should be executed at the start. More...

virtual bool	end ()
	Called when Time::run() determines that the time-loop exits. More...

virtual scalar	timeToNextAction ()
	Called by Time::adjustTimeStep(). Allows the functionObject to. More...

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

virtual void	movePoints (const polyMesh &mesh)
	Update topology using the given map. More...

virtual void	topoChange (const polyTopoChangeMap &map)
	Update topology using the given map. More...

virtual void	mapMesh (const polyMeshMap &)
	Update from another mesh using the given map. More...

virtual void	distribute (const polyDistributionMap &)
	Redistribute or update using the given distribution map. More...

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

Protected Member Functions
void	setResultName (const word &functionName, const wordList &defaultFieldNames=wordList::null())
	Set the result name. More...

template<template< class > class GeoField, template< class ... > class Op, class TypeA , class TypeB , class Enable = Op<TypeA, TypeB>>
bool	opAndStore (const GeoField< TypeA > &a, const GeoField< TypeB > &b)
	Operate on the fields and store the result. Supported overload. More...

template<template< class > class GeoField, template< class ... > class Op, class ... Args>
bool	opAndStore (const Args &...)
	Operate on the fields and store the result. Not-supported overload. More...

template<template< class > class GeoField, template< class ... > class Op, class TypeA , class TypeB >
bool	foldAB (const label i)
	Fold the fields expression up one place. More...

template<template< class > class GeoField, template< class ... > class Op, class TypeA >
bool	foldA (const label i)
	Fold the fields expression up one place. More...

template<template< class > class GeoField, template< class ... > class Op>
bool	fold (const label i)
	Fold the fields expression up one place. More...

template<template< class > class GeoField, template< class ... > class Op>
bool	calcGeoFieldOp ()
	Calculate and store the fields expression for the given geometric. More...

template<template< class ... > class Op>
bool	calcOp ()
	Calculate and store the fields expression for the given operation. More...

virtual bool	calc ()=0
	Perform calculation on the list of fields and return success. More...

Protected Member Functions inherited from objectRegistryFunctionObject
template<class ObjectType >
bool	foundObject (const word &fieldName) const
	Find field in the objectRegistry. More...

template<class ObjectType >
void	cannotFindObject (const word &fieldName)
	Prints a warning message that fieldName cannot be found. More...

void	cannotFindObject (const word &fieldName)
	Prints a warning message that fieldName cannot be found. More...

void	cannotFindObjects (const wordList &fieldNames)
	Prints a warning message that fieldNames cannot be found. More...

template<class ObjectType >
const ObjectType &	lookupObject (const word &fieldName) const
	Lookup object from the objectRegistry. More...

template<class ObjectType >
ObjectType &	lookupObjectRef (const word &fieldName)
	Lookup non-const object reference from the objectRegistry. More...

template<class ObjectType >
ObjectType &	store (const tmp< ObjectType > &tfield)
	Store the given field in the objectRegistry. More...

template<class ObjectType >
ObjectType &	store (const word &fieldName, const tmp< ObjectType > &tfield, bool cacheable=false)
	Store the given field in the objectRegistry under the given name. More...

bool	writeObject (const word &fieldName)
	Write field if present in objectRegistry. More...

bool	clearObject (const word &fieldName)
	Clear field from the objectRegistry if present. More...

Protected Attributes
wordList	fieldNames_
	Names of fields to process. More...

word	resultName_
	Name of result fields. More...

Protected Attributes inherited from fvMeshFunctionObject
const fvMesh &	mesh_
	Reference to the fvMesh. More...

Protected Attributes inherited from objectRegistryFunctionObject
const objectRegistry &	obr_
	Reference to the objectRegistry. More...

Protected Attributes inherited from functionObject
const Time &	time_
	Reference to time. More...

Additional Inherited Members
Static Public Member Functions inherited from functionObject
static autoPtr< functionObject >	New (const word &name, const Time &, const dictionary &)
	Select from dictionary, based on its "type" entry. More...

Public Attributes inherited from functionObject
Switch	log
	Switch write log to Info. More...

Switch	executeAtStart_
	Switch execute at start time. More...

Static Public Attributes inherited from functionObject
static bool	postProcess
	Global post-processing mode switch. More...

Detailed Description

Base class for expressions involving multiple fields.

See also: Foam::functionObjects::fvMeshFunctionObject

Source files

Definition at line 55 of file fieldsExpression.H.

Constructor & Destructor Documentation

◆ fieldsExpression() [1/2]

fieldsExpression	(	const word &	name,
		const Time &	runTime,
		const dictionary &	dict,
		const wordList &	fieldNames = `wordList::null()`,
		const word &	resultName = `word::null`
	)