Computes the wall-shear stress at selected wall patches. More...
Public Member Functions | |
TypeName ("wallShearStress") | |
Runtime type information. More... | |
wallShearStress (const word &name, const Time &runTime, const dictionary &) | |
Construct from Time and dictionary. More... | |
wallShearStress (const wallShearStress &)=delete | |
No copy construct. More... | |
void | operator= (const wallShearStress &)=delete |
No copy assignment. More... | |
virtual | ~wallShearStress ()=default |
Destructor. More... | |
virtual bool | read (const dictionary &) |
Read the wallShearStress data. More... | |
virtual bool | execute () |
Calculate the wall shear-stress. More... | |
virtual bool | write () |
Report min/max and log to file, write the wall shear-stress volume field. 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... | |
void | clearTrigger () |
Remove the trigger index from the properties. More... | |
label | getTrigger () const |
Get the current trigger index. More... | |
bool | setTrigger (const label triggeri) |
Set new 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... | |
bool | getObjectResultDict (const word &objectName, dictionary &dict) const |
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... | |
wordList | objectResultEntries () const |
Retrieve the result entries. More... | |
wordList | 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 () |
Write access to the output objects ("functionObjectObjects") registered on Time. More... | |
const objectRegistry & | storedObjects () const |
Const access to the output objects ("functionObjectObjects") registered on Time. More... | |
Public Member Functions inherited from functionObject | |
declareRunTimeSelectionTable (autoPtr, functionObject, dictionary,(const word &name, const Time &runTime, const dictionary &dict),(name, runTime, dict)) | |
functionObject (const word &name, const bool withNamePrefix=defaultUseNamePrefix) | |
Construct from components. More... | |
autoPtr< functionObject > | clone () const |
Return clone. More... | |
virtual | ~functionObject ()=default |
Destructor. More... | |
virtual const word & | type () const =0 |
Runtime type information. More... | |
const word & | name () const noexcept |
Return the name of this functionObject. More... | |
bool | useNamePrefix () const noexcept |
Return the flag for adding a scoping name prefix. More... | |
bool | useNamePrefix (bool on) noexcept |
Modify the flag for adding a scoping name prefix. 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... | |
virtual void | updateMesh (const mapPolyMesh &mpm) |
Update for changes of mesh. More... | |
virtual void | movePoints (const polyMesh &mesh) |
Update for changes of mesh. More... | |
Public Member Functions inherited from writeFile | |
writeFile (const objectRegistry &obr, const fileName &prefix, const word &name="undefined", const bool writeToFile=true) | |
Construct from objectRegistry, prefix, fileName. More... | |
writeFile (const objectRegistry &obr, const fileName &prefix, const word &name, const dictionary &dict, const bool writeToFile=true) | |
Construct from objectRegistry, prefix, fileName and read options from dictionary. More... | |
writeFile (const writeFile &wf) | |
Construct copy. More... | |
virtual | ~writeFile ()=default |
Destructor. More... | |
virtual OFstream & | file () |
Return access to the file (if only 1) More... | |
virtual bool | writeToFile () const |
Flag to allow writing to file. More... | |
virtual bool | canWriteToFile () const |
Flag to allow writing to the file. More... | |
virtual bool | canResetFile () const |
Flag to allow resetting the file. More... | |
virtual bool | canWriteHeader () const |
Flag to allow writing the header. More... | |
virtual label | charWidth () const |
Return width of character stream output. More... | |
virtual void | writeCommented (Ostream &os, const string &str) const |
Write a commented string to stream. More... | |
virtual void | writeTabbed (Ostream &os, const string &str) const |
Write a tabbed string to stream. More... | |
virtual void | writeHeader (Ostream &os, const string &str) const |
Write a commented header to stream. More... | |
virtual void | writeCurrentTime (Ostream &os) const |
Write the current time to stream. More... | |
virtual void | writeBreak (Ostream &os) const |
Write a break marker to the stream. More... | |
template<class Type > | |
void | writeHeaderValue (Ostream &os, const string &property, const Type &value) const |
Write a (commented) header property and value pair. More... | |
template<class Type > | |
void | writeValue (Ostream &os, const Type &val) const |
Write a given value to stream with the space delimiter. More... | |
Protected Member Functions | |
virtual void | writeFileHeader (Ostream &os) const |
File header information. More... | |
void | calcShearStress (const volSymmTensorField &Reff, volVectorField &shearStress) |
Calculate the shear-stress. 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 |
Return const pointer to the object (eg, a field) in the (sub) objectRegistry. More... | |
template<class ObjectType > | |
const ObjectType * | findObject (const word &fieldName) const |
Return const pointer to the object (eg, a field) in the (sub) objectRegistry. More... | |
template<class ObjectType > | |
ObjectType * | findObject (const word &fieldName) |
Return non-const pointer to the object of the given Type, (sub) objectRegistry. More... | |
template<class ObjectType > | |
ObjectType * | getObjectPtr (const word &fieldName) const |
Return non-const pointer to the object of the given Type, using a const-cast to have it behave like a mutable. More... | |
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... | |
template<class ObjectType > | |
bool | storeInDb (const word &fieldName, const tmp< ObjectType > &tfield, const objectRegistry &obr) |
Store the field in an optional 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 functionObjects::properties & | stateDict () const |
Return a const reference to the state dictionary. More... | |
functionObjects::properties & | 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 (prefixed) name. More... | |
Protected Member Functions inherited from writeFile | |
void | initStream (Ostream &os) const |
Initialise the output stream for writing. More... | |
fileName | baseFileDir () const |
Return the base directory for output. More... | |
fileName | baseTimeDir () const |
Return the base directory for the current time value. More... | |
fileName | filePath (const fileName &fName) const |
Return the full path for the supplied file name. More... | |
virtual autoPtr< OFstream > | newFile (const fileName &fName) const |
Return autoPtr to a new file using file name. More... | |
virtual autoPtr< OFstream > | newFileAtTime (const word &name, scalar timeValue) const |
Return autoPtr to a new file for a given time. More... | |
virtual autoPtr< OFstream > | newFileAtStartTime (const word &name) const |
Return autoPtr to a new file using the simulation start time. More... | |
virtual void | resetFile (const word &name) |
Reset internal file pointer to new file with new name. More... | |
Omanip< int > | valueWidth (const label offset=0) const |
Return the value width when writing to stream with optional offset. More... | |
void | operator= (const writeFile &)=delete |
No copy assignment. More... | |
virtual autoPtr< OFstream > | createFile (const word &name, scalar timeValue) const |
Deprecated(2022-09) Return autoPtr to a new file for a given time. More... | |
virtual autoPtr< OFstream > | createFile (const word &name) const |
Deprecated(2022-09) Return autoPtr to a new file using the simulation start time. More... | |
Protected Attributes | |
labelList | patchIDs_ |
Wall patches to process (optionally filtered by name) 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... | |
Protected Attributes inherited from writeFile | |
const objectRegistry & | fileObr_ |
Reference to the region objectRegistry. More... | |
const fileName | prefix_ |
Prefix. More... | |
word | fileName_ |
Name of file. More... | |
autoPtr< OFstream > | filePtr_ |
File pointer. More... | |
label | writePrecision_ |
Write precision. More... | |
bool | writeToFile_ |
Flag to enable/disable writing to file. More... | |
bool | updateHeader_ |
Flag to update the header, e.g. on mesh changes. Default is true. More... | |
bool | writtenHeader_ |
Flag to identify whether the header has been written. More... | |
bool | useUserTime_ |
Flag to use the specified user time, e.g. CA deg instead of seconds. Default = true. More... | |
scalar | startTime_ |
Start time value. 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... | |
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 bool | defaultUseNamePrefix |
Global default for useNamePrefix. More... | |
static word | outputPrefix |
Directory prefix. More... | |
Static Public Attributes inherited from writeFile | |
static label | addChars = 8 |
Additional characters for writing. More... | |
Computes the wall-shear stress at selected wall patches.
where
= | Wall shear stress vector [m^2/s^2] | |
= | Shear-stress symmetric tensor (retrieved from turbulence model) | |
= | Patch normal vector (into the domain) |
Operands:
Operand | Type | Location |
---|---|---|
input | - | - |
output file | dat | $FOAM_CASE/postProcessing/<FO>/<time>/<field> |
output field | volVectorField (only boundaryField) | $FOAM_CASE/<time>/<outField> |
system/controlDict.functions
: wallShearStress1 { // Mandatory entries (unmodifiable) type wallShearStress; libs (fieldFunctionObjects); // Optional entries (runtime modifiable) patches (<patch1> ... <patchN>); // (wall1 "(wall2|wall3)"); // Optional entries writeFields true; }
where the entries mean:
Property | Description | Type | Req'd | Dflt |
---|---|---|---|---|
type | Type name: wallShearStress | word | yes | - |
libs | Library name: fieldFunctionObjects | word | yes | - |
patches | Names of operand patches | wordRes | no | all wall patches |
writeFields | Flag to write shear stress field | bool | no | true |
The inherited entries are elaborated in:
Minimal example by using the postProcess
utility:
<solver> -postProcess -func wallShearStress
writeFields
flag currently defaults to true
(for consistency with previous versions that did not have that flag) but this is subject to change in the near future for consistency with other function objects.Definition at line 181 of file wallShearStress.H.
wallShearStress | ( | const word & | name, |
const Time & | runTime, | ||
const dictionary & | dict | ||
) |
Construct from Time and dictionary.
Definition at line 78 of file wallShearStress.C.
References dict, Foam::dimLength, Foam::dimTime, IOobjectOption::NO_READ, IOobjectOption::NO_WRITE, Foam::read(), IOobjectOption::REGISTER, Foam::sqr(), regIOobject::store(), and Foam::Zero.
|
delete |
No copy construct.
|
virtualdefault |
Destructor.
|
protectedvirtual |
File header information.
Definition at line 44 of file wallShearStress.C.
References Foam::endl(), os(), writeFile::writeCommented(), writeFile::writeHeader(), and writeFile::writeTabbed().
|
protected |
Calculate the shear-stress.
Definition at line 56 of file wallShearStress.C.
References GeometricField< Type, PatchField, GeoMesh >::boundaryField(), GeometricField< Type, PatchField, GeoMesh >::boundaryFieldRef(), DimensionedField< Type, GeoMesh >::dimensions(), and dimensionSet::reset().
TypeName | ( | "wallShearStress" | ) |
Runtime type information.
|
delete |
No copy assignment.
|
virtual |
Read the wallShearStress data.
Reimplemented from writeFile.
Definition at line 116 of file wallShearStress.C.
References dict, HashTable< T, Key, Hash >::empty(), Foam::endl(), Foam::Info, Foam::name(), Foam::nl, patchNames(), pbm, regionFunctionObject::read(), writeFile::read(), HashTable< T, Key, Hash >::size(), HashTable< T, Key, Hash >::sortedToc(), Foam::type(), and WarningInFunction.
|
virtual |
Calculate the wall shear-stress.
Implements functionObject.
Definition at line 177 of file wallShearStress.C.
References Foam::exit(), Foam::FatalError, FatalErrorInFunction, regionFunctionObject::lookupObjectRef(), and turbulenceModel::propertiesName.
|
virtual |
Report min/max and log to file, write the wall shear-stress volume field.
Implements functionObject.
Definition at line 218 of file wallShearStress.C.
References Foam::endl(), Foam::gMinMax(), Log, regionFunctionObject::lookupObject(), UPstream::master(), MinMax< T >::max(), MinMax< T >::min(), Foam::name(), functionObject::name(), Foam::nl, patches, pp(), token::TAB, Foam::type(), and wallShearStress::write().
Referenced by wallShearStress::write().
|
protected |
Wall patches to process (optionally filtered by name)
Definition at line 201 of file wallShearStress.H.