Calculates the gradient of a field. More...
Public Member Functions | |
| TypeName ("grad") | |
| Runtime type information. More... | |
| grad (const word &name, const Time &runTime, const dictionary &dict) | |
| Construct from Time and dictionary. More... | |
| virtual | ~grad () |
| Destructor. More... | |
 Public Member Functions inherited from fieldExpression | |
| TypeName ("fieldExpression") | |
| Runtime type information. More... | |
| fieldExpression (const word &name, const Time &runTime, const dictionary &dict, const word &fieldName=word::null, const word &resultName=word::null) | |
| Construct from Time and dictionary. More... | |
| virtual | ~fieldExpression () |
| Destructor. More... | |
| virtual bool | read (const dictionary &) |
| Read the fieldExpression data. More... | |
| virtual bool | execute () |
| Calculate the result field. More... | |
| virtual bool | write () |
| Write the result field. More... | |
| virtual bool | clear () |
| Clear the result field from the objectRegistry. 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 () |
| 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 () |
| Destructor. More... | |
| 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 () |
| Destructor. More... | |
| const word & | name () const |
| Return the name of this functionObject. More... | |
| virtual bool | end () |
| Called when Time::run() determines that the time-loop exits. More... | |
| virtual bool | setTimeStep () |
| Called by Time::setDeltaT(). Allows the function object to override. More... | |
| virtual scalar | timeToNextWrite () |
| Called by Time::adjustTimeStep(). Allows the function object to. More... | |
| virtual void | updateMesh (const mapPolyMesh &mpm) |
| Update for changes of mesh. More... | |
| virtual void | movePoints (const polyMesh &mesh) |
| Update for changes of mesh. 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... | |
| Static Public Attributes inherited from functionObject | |
| static int | debug |
| static bool | postProcess |
| Global post-processing mode switch. More... | |
| Protected Member Functions inherited from fieldExpression | |
| void | setResultName (const word &typeName, const word &defaultArg) |
| template<class Type > | |
| bool | foundObject (const word &name) |
| Protected Member Functions inherited from regionFunctionObject | |
| template<class ObjectType > | |
| bool | foundObject (const word &fieldName) const |
| Find field in the objectRegistry. 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 > | |
| bool | store (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 inherited from fieldExpression | |
| word | fieldName_ |
| Name of field to process. More... | |
| word | resultName_ |
| Name of result field. More... | |
| Protected Attributes inherited from fvMeshFunctionObject | |
| const fvMesh & | mesh_ |
| Reference to the fvMesh. More... | |
| Protected Attributes inherited from regionFunctionObject | |
| const Time & | time_ |
| Reference to the Time. More... | |
| const objectRegistry & | obr_ |
| Reference to the region objectRegistry. More... | |
Calculates the gradient of a field.
The operation is limited to scalar and vector volume or surface fields, and the output is a volume vector or tensor field.
| grad | ( | const word & | name, |
| const Time & | runTime, | ||
| const dictionary & | dict | ||
| ) |
Construct from Time and dictionary.
Definition at line 57 of file grad.C.
References Foam::read().
| TypeName | ( | "grad" | ) |
Runtime type information.
1.8.13
