Computes two predefined derived fields, i.e. rhoU, and pTotal, where the defined fields are hard-coded as follows: More...

Inheritance diagram for derivedFields:

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Collaboration diagram for derivedFields:

[legend]

Public Types
enum	derivedType { NONE = 0, MASS_FLUX, TOTAL_PRESSURE, UNKNOWN }
	Options for the derived/calculated field type. More...

Public Member Functions
	TypeName ("derivedFields")
	Run-time type information. More...

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

	derivedFields (const derivedFields &)=delete
	No copy construct. More...

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

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

void	removeDerivedFields ()
	Remove (checkOut) derived fields from the object registry. More...

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

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

virtual bool	write ()
	Write derived fields. More...

virtual void	updateMesh (const mapPolyMesh &mpm)
	Update for changes of mesh. More...

virtual void	movePoints (const polyMesh &m)
	Update for mesh point-motion. 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, const dictionary &dict)
	Construct from the region objectRegistry and dictionary. More...

virtual	~fvMeshFunctionObject ()=default
	Destructor. 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, const dictionary &dict)
	Construct from the region objectRegistry and dictionary. More...

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

template<class ObjectType >
const ObjectType *	lookupObjectPtr (const word &fieldName) const
	Deprecated(2018-10) More...

template<class ObjectType >
ObjectType *	lookupObjectRefPtr (const word &fieldName) const
	Deprecated(2018-10) More...

Public Member Functions inherited from stateFunctionObject
	stateFunctionObject (const word &name, const Time &runTime)
	Construct from components. More...

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

dictionary &	propertyDict ()
	Return access to the property dictionary. More...

bool	foundProperty (const word &entryName) const
	Return true if the property exists. More...

label	getTrigger () const
	Get the current trigger index. More...

bool	setTrigger (const label triggeri)
	Set the current trigger index. More...

bool	getDict (const word &entryName, dictionary &dict) const
	Set dictionary, return true if set. More...

bool	getObjectDict (const word &objectName, const word &entryName, dictionary &dict) const
	Set dictionary from named object, return true if set. More...

template<class Type >
Type	getProperty (const word &entryName, const Type &defaultValue=Type(Zero)) const
	Retrieve generic property. More...

template<class Type >
bool	getProperty (const word &entryName, Type &value) const
	Set generic property, return true if set. More...

template<class Type >
void	setProperty (const word &entryName, const Type &value)
	Add generic property. More...

template<class Type >
Type	getObjectProperty (const word &objectName, const word &entryName, const Type &defaultValue=Type(Zero)) const
	Retrieve generic property from named object. More...

template<class Type >
bool	getObjectProperty (const word &objectName, const word &entryName, Type &value) const
	Set generic property from named object, return true if set. More...

template<class Type >
void	setObjectProperty (const word &objectName, const word &entryName, const Type &value)
	Add generic property from named object. More...

template<class Type >
void	setResult (const word &entryName, const Type &value)
	Add result. More...

template<class Type >
void	setObjectResult (const word &objectName, const word &entryName, const Type &value)
	Add result from named object. More...

template<class Type >
Type	getResult (const word &entryName, const Type &defaultValue=Type(Zero)) const
	Retrieve result. More...

template<class Type >
Type	getObjectResult (const word &objectName, const word &entryName, const Type &defaultValue=Type(Zero)) const
	Retrieve result from named object. More...

template<class Type >
bool	getObjectResult (const word &objectName, const word &entryName, Type &value) const
	Set result from named object, return true if set. More...

word	resultType (const word &entryName) const
	Retrieve the result type. More...

word	objectResultType (const word &objectName, const word &entryName) const
	Return the type of result. More...

List< word >	objectResultEntries () const
	Retrieve the result entries. More...

List< word >	objectResultEntries (const word &objectName) const
	Return result entries for named object. More...

void	writeResultEntries (Ostream &os) const
	Write the results entries for all objects to stream. More...

void	writeResultEntries (const word &objectName, Ostream &os) const
	Write the results entries for named object to stream. More...

void	writeAllResultEntries (Ostream &os) const
	Write the results entries for all objects to stream. More...

Public Member Functions inherited from timeFunctionObject
	timeFunctionObject (const word &name, const Time &runTime)
	Construct from Time. More...

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

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

objectRegistry &	storedObjects ()

const objectRegistry &	storedObjects () const

Public Member Functions inherited from 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)
	Construct from components. More...

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

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

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

virtual bool	execute (const label subIndex)
	Execute using the specified subIndex. More...

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

virtual bool	adjustTimeStep ()
	Called at the end of Time::adjustDeltaT() if adjustTime is true. More...

virtual bool	filesModified () const
	Did any file get changed during execution? More...

Static Public Attributes
static const Enum< derivedType >	knownNames
	Names for derivedType. More...

Static Public Attributes inherited from functionObject
static int	debug
	Flag to execute debug content. More...

static bool	postProcess
	Global post-processing mode switch. More...

static word	outputPrefix
	Directory prefix. More...

Protected Member Functions
bool	add_rhoU (const word &derivedName)
	Hard-coded derived field (rho * U) More...

bool	add_pTotal (const word &derivedName)
	Hard-coded derived field (p + 1/2 * rho * U) More...

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

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

Protected Member Functions inherited from regionFunctionObject
virtual const objectRegistry &	obr () const
	The region or sub-region registry being used. More...

template<class ObjectType >
bool	foundObject (const word &fieldName) const
	Find object (eg, a field) in the (sub) objectRegistry. More...

template<class ObjectType >
const ObjectType *	cfindObject (const word &fieldName) const

template<class ObjectType >
const ObjectType *	findObject (const word &fieldName) const

template<class ObjectType >
ObjectType *	findObject (const word &fieldName)

template<class ObjectType >
ObjectType *	getObjectPtr (const word &fieldName) const

template<class ObjectType >
const ObjectType &	lookupObject (const word &fieldName) const
	Lookup and return object (eg, a field) from the (sub) objectRegistry. More...

template<class ObjectType >
ObjectType &	lookupObjectRef (const word &fieldName) const
	Lookup and return object (eg, a field) from the (sub) objectRegistry. More...

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

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

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

void	clearObjects (const wordList &objNames)
	Clear fields from the (sub) objectRegistry if present. More...

	regionFunctionObject (const regionFunctionObject &)=delete
	No copy construct. More...

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

Protected Member Functions inherited from stateFunctionObject
const IOdictionary &	stateDict () const
	Return a const reference to the state dictionary. More...

IOdictionary &	stateDict ()
	Return non-const access to the state dictionary. More...

	stateFunctionObject (const stateFunctionObject &)=delete
	No copy construct. More...

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

Protected Member Functions inherited from timeFunctionObject
void	clearOutputObjects (const wordList &objNames)
	Remove specified items from "functionObjectObjects". More...

	timeFunctionObject (const timeFunctionObject &)=delete
	No copy construct. More...

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

Protected Member Functions inherited from functionObject
word	scopedName (const word &name) const
	Return a scoped name, e.g. used to construct local field names. More...

Protected Attributes
List< derivedType >	derivedTypes_
	List of derived field (types) to create. More...

scalar	rhoRef_
	Reference density (to convert from kinematic to static pressure) More...

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

Protected Attributes inherited from regionFunctionObject
word	subRegistryName_
	Name for alternative object registry. More...

const objectRegistry &	obr_
	Reference to the region objectRegistry. More...

const objectRegistry *	obrPtr_
	Pointer to alternative (eg, sub-region) objectRegistry. More...

Protected Attributes inherited from timeFunctionObject
const Time &	time_
	Reference to the time database. More...

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

Public Attributes inherited from functionObject
bool	log
	Flag to write log into Info. More...

Detailed Description

Computes two predefined derived fields, i.e. rhoU, and pTotal, where the defined fields are hard-coded as follows:

$ rhoU $	=	$ \rho \vec U $
$ pTotal $	=	$ p + 1/2 \rho \, mag(\vec U)^2 $

Operands:

Operand	Type	Location
`input`	vol{Scalar,Vector}Field	$FOAM_CASE/<time>/<inpField>
`output` file	-	-
`output` field	vol{Scalar,Vector}Field	$FOAM_CASE/<time>/<outField>

Usage

Minimal example by using system/controlDict.functions:

derivedFields1
{
    // Mandatory entries (unmodifiable)
    type            derivedFields;
    libs            (fieldFunctionObjects);

    // Mandatory entries (runtime modifiable)
    derived         (rhoU pTotal);

    // Optional entries (runtime modifiable)
    rhoRef          1.0;

    // Optional (inherited) entries
    ...
}

where the entries mean:

Property	Description	Type	Req'd	Dflt
`type`	Type name: derivedFields	word	yes	-
`libs`	Library name: fieldFunctionObjects	word	yes	-
`derived`	Names of operand fields (rhoU/pTotal)	word	yes	-
`rhoRef`	Reference density for incompressible flows	scalar	no	1.0

The inherited entries are elaborated in:

functionObject.H

Usage by the postProcess utility is not available.

See also

Foam::functionObject
Foam::functionObjects::fvMeshFunctionObject
ExtendedCodeGuide::functionObjects::field::derivedFields

Source files

Definition at line 163 of file derivedFields.H.

Member Enumeration Documentation

◆ derivedType

enum derivedType

Options for the derived/calculated field type.

Enumerator
NONE	"none"
MASS_FLUX	"rhoU"
TOTAL_PRESSURE	"pTotal"
UNKNOWN

Definition at line 172 of file derivedFields.H.

Constructor & Destructor Documentation

◆ derivedFields() [1/2]

derivedFields	(	const word &	name,
		const Time &	runTime,
		const dictionary &	dict
	)

Construct from Time and dictionary.

Definition at line 175 of file derivedFields.C.

References dict, and Foam::blockMeshTools::read().

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◆ derivedFields() [2/2]

derivedFields ( const derivedFields & )

delete

No copy construct.

◆ ~derivedFields()

virtual ~derivedFields ( )

virtualdefault

Destructor.

Member Function Documentation

◆ add_rhoU()

bool add_rhoU ( const word & derivedName )

protected

Hard-coded derived field (rho * U)

Returns: true if field did not previously exist

◆ add_pTotal()

bool add_pTotal ( const word & derivedName )

protected

Hard-coded derived field (p + 1/2 * rho * U)

Returns: true if field did not previously exist

◆ TypeName()

TypeName ( "derivedFields" )

Run-time type information.

◆ operator=()

void operator= ( const derivedFields & )

delete

No copy assignment.

◆ removeDerivedFields()

void removeDerivedFields ( )

Remove (checkOut) derived fields from the object registry.

Definition at line 318 of file derivedFields.C.

◆ read()

bool read ( const dictionary & dict )

virtual

Read the data.

Reimplemented from regionFunctionObject.

Definition at line 191 of file derivedFields.C.

References derivedFields::derivedTypes_, dict, Foam::flatOutput(), forAll, Enum< EnumType >::get(), Foam::Info, derivedFields::knownNames, Foam::nl, regionFunctionObject::read(), List< T >::resize(), derivedFields::rhoRef_, functionObject::type(), and WarningInFunction.

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◆ execute()

bool execute ( )

virtual

Calculate the derived fields.

Implements functionObject.

Definition at line 248 of file derivedFields.C.

References Foam::calc_pTotal(), Foam::calc_rhoU(), Foam::endl(), Log, Foam::nl, and Foam::type().

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◆ write()

bool write ( )

virtual

Write derived fields.

Implements functionObject.

Definition at line 287 of file derivedFields.C.

References Foam::endl(), Log, Foam::name(), Foam::nl, Foam::type(), and Ostream::write().

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◆ updateMesh()

void updateMesh ( const mapPolyMesh & mpm )

virtual

Update for changes of mesh.

Reimplemented from functionObject.

Definition at line 327 of file derivedFields.C.

References mapPolyMesh::mesh().

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◆ movePoints()

void movePoints ( const polyMesh & m )

virtual

Update for mesh point-motion.

Reimplemented from functionObject.

Definition at line 336 of file derivedFields.C.

Member Data Documentation

◆ knownNames

const Foam::Enum< Foam::functionObjects::derivedFields::derivedType > knownNames

static

Names for derivedType.

Definition at line 181 of file derivedFields.H.

Referenced by derivedFields::read().

◆ derivedTypes_

List<derivedType> derivedTypes_

protected

List of derived field (types) to create.

Definition at line 189 of file derivedFields.H.

Referenced by derivedFields::read().

◆ rhoRef_

scalar rhoRef_

protected

Reference density (to convert from kinematic to static pressure)

Definition at line 192 of file derivedFields.H.

Referenced by derivedFields::read().

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

src/functionObjects/field/derivedFields/derivedFields.H
src/functionObjects/field/derivedFields/derivedFields.C

\( rhoU \)	=	\( \rho \vec U \)
\( pTotal \)	=	\( p + 1/2 \rho \, mag(\vec U)^2 \)

Public Types

Public Member Functions

Static Public Attributes

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ derivedType

Constructor & Destructor Documentation

◆ derivedFields() [1/2]

◆ derivedFields() [2/2]

◆ ~derivedFields()

Member Function Documentation

◆ add_rhoU()

◆ add_pTotal()

◆ TypeName()

◆ operator=()

◆ removeDerivedFields()

◆ read()

◆ execute()

◆ write()

◆ updateMesh()

◆ movePoints()

Member Data Documentation

◆ knownNames

◆ derivedTypes_

◆ rhoRef_