Public Member Functions | List of all members
meanVelocityForce Class Reference

Calculates and applies the force necessary to maintain the specified mean velocity. More...

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Public Member Functions

 TypeName ("meanVelocityForce")
 Runtime type information. More...
 
 meanVelocityForce (const word &sourceName, const word &modelType, const dictionary &dict, const fvMesh &mesh)
 Construct from explicit source name and mesh. More...
 
 meanVelocityForce (const meanVelocityForce &)=delete
 Disallow default bitwise copy construction. More...
 
const vector & Ubar () const
 Return the average velocity. More...
 
virtual wordList constrainedFields () const
 Return the list of fields constrained by the fvConstraint. More...
 
virtual bool constrain (fvMatrix< vector > &eqn, const word &fieldName) const
 Add the momentum source and set the 1/A coefficient. More...
 
virtual bool constrain (volVectorField &U) const
 Correct the pressure gradient. More...
 
virtual void updateMesh (const mapPolyMesh &)
 Update for mesh changes. More...
 
virtual bool read (const dictionary &dict)
 Read source dictionary. More...
 
void operator= (const meanVelocityForce &)=delete
 Disallow default bitwise assignment. More...
 
- Public Member Functions inherited from fvConstraint
 TypeName ("fvConstraint")
 Runtime type information. More...
 
 declareRunTimeSelectionTable (autoPtr, fvConstraint, dictionary,(const word &name, const word &constraintType, const dictionary &dict, const fvMesh &mesh),(name, constraintType, dict, mesh))
 
 fvConstraint (const word &name, const word &constraintType, const dictionary &dict, const fvMesh &mesh)
 Construct from components. More...
 
autoPtr< fvConstraint > clone () const
 Return clone. More...
 
virtual ~fvConstraint ()
 Destructor. More...
 
const word & name () const
 Return const access to the source name. More...
 
const fvMesh & mesh () const
 Return const access to the mesh database. More...
 
const dictionary & coeffs () const
 Return dictionary. More...
 
virtual bool constrainsField (const word &fieldName) const
 Return true if the given field is constrained. More...
 
 FOR_ALL_FIELD_TYPES (DEFINE_FV_CONSTRAINT_CONSTRAIN)
 Apply a constraint to an equation. More...
 
 FOR_ALL_FIELD_TYPES (DEFINE_FV_CONSTRAINT_CONSTRAIN_FIELD)
 Apply contraint to a field. More...
 
virtual bool movePoints ()
 Update for mesh motion. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from fvConstraint
static autoPtr< fvConstraint > New (const word &name, const dictionary &dict, const fvMesh &mesh)
 Return a reference to the selected fvConstraint. More...
 

Detailed Description

Calculates and applies the force necessary to maintain the specified mean velocity.

Usage
Example usage: 
meanVelocityConstraint
{
    type            meanVelocityForce;

    selectionMode   all;

    U               U;          // Name of velocity field

    Ubar            (10.0 0 0); // Desired mean velocity
    relaxation      0.2;        // Optional relaxation factor
}
Note
Currently only handles kinematic pressure (incompressible solvers).
Source files

Definition at line 71 of file meanVelocityForce.H.

Constructor & Destructor Documentation

◆ meanVelocityForce() [1/2]

meanVelocityForce ( const word &  sourceName,
const word &  modelType,
const dictionary &  dict,
const fvMesh &  mesh 
)

Construct from explicit source name and mesh.

Definition at line 89 of file meanVelocityForce.C.

References Foam::endl(), IOstream::good(), Foam::Info, dictionary::lookup(), Foam::name(), Foam::nl, dictionary::null, propsDict(), fvMesh::time(), and Time::timePath().

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◆ meanVelocityForce() [2/2]

meanVelocityForce ( const meanVelocityForce &  )
delete

Disallow default bitwise copy construction.

Member Function Documentation

◆ TypeName()

TypeName ( "meanVelocityForce"  )

Runtime type information.

◆ Ubar()

const vector& Ubar ( ) const
inline

Return the average velocity.

Definition at line 139 of file meanVelocityForce.H.

References meanVelocityForce::constrain(), meanVelocityForce::constrainedFields(), meanVelocityForce::operator=(), meanVelocityForce::read(), and meanVelocityForce::updateMesh().

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◆ constrainedFields()

Foam::wordList constrainedFields ( ) const
virtual

Return the list of fields constrained by the fvConstraint.

Reimplemented from fvConstraint.

Definition at line 125 of file meanVelocityForce.C.

References cells, meanVelocityForce::constrain(), forAll, mesh, Foam::normalised(), Foam::reduce(), and U.

Referenced by meanVelocityForce::Ubar().

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◆ constrain() [1/2]

bool constrain ( fvMatrix< vector > &  eqn,
const word &  fieldName 
) const
virtual

Add the momentum source and set the 1/A coefficient.

Definition at line 153 of file meanVelocityForce.C.

References fvMatrix< Type >::A(), fvMatrix< Type >::dimensions(), Foam::dimVolume, gradP(), mesh, Foam::name(), IOobject::NO_READ, IOobject::NO_WRITE, Foam::normalised(), Su, timeName, and Foam::Zero.

Referenced by meanVelocityForce::constrainedFields(), and meanVelocityForce::Ubar().

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◆ constrain() [2/2]

bool constrain ( volVectorField &  U) const
virtual

Correct the pressure gradient.

Definition at line 209 of file meanVelocityForce.C.

References cells, Foam::endl(), forAll, Foam::Info, Foam::mag(), mesh, Foam::normalised(), rAU, and Foam::reduce().

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◆ updateMesh()

void updateMesh ( const mapPolyMesh &  mpm)
virtual

Update for mesh changes.

Reimplemented from fvConstraint.

Definition at line 250 of file meanVelocityForce.C.

Referenced by meanVelocityForce::Ubar().

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◆ read()

bool read ( const dictionary &  dict)
virtual

Read source dictionary.

Reimplemented from fvConstraint.

Reimplemented in patchMeanVelocityForce.

Definition at line 256 of file meanVelocityForce.C.

References fvConstraint::read().

Referenced by patchMeanVelocityForce::read(), and meanVelocityForce::Ubar().

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◆ operator=()

void operator= ( const meanVelocityForce &  )
delete

Disallow default bitwise assignment.

Referenced by meanVelocityForce::Ubar().

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