propellerDisk Class Reference

Disk momentum source which approximates a propeller based on a given propeller curve. More...

Inheritance diagram for propellerDisk:
Collaboration diagram for propellerDisk:

Public Member Functions

 TypeName ("propellerDisk")
 Runtime type information. More...
 
 propellerDisk (const word &name, const word &modelType, const fvMesh &mesh, const dictionary &dict)
 Construct from components. More...
 
 propellerDisk (const propellerDisk &)=delete
 Disallow default bitwise copy construction. More...
 
virtual ~propellerDisk ()
 Destructor. More...
 
virtual wordList addSupFields () const
 Return the list of fields for which the fvModel adds source term. More...
 
virtual void addSup (const volVectorField &U, fvMatrix< vector > &eqn) const
 Source term to momentum equation. More...
 
virtual void addSup (const volScalarField &rho, const volVectorField &U, fvMatrix< vector > &eqn) const
 Source term to compressible momentum equation. More...
 
virtual void addSup (const volScalarField &alpha, const volScalarField &rho, const volVectorField &U, fvMatrix< vector > &eqn) const
 Explicit and implicit sources for phase equations. More...
 
virtual bool movePoints ()
 Update for mesh motion. More...
 
virtual void topoChange (const polyTopoChangeMap &)
 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...
 
virtual bool read (const dictionary &dict)
 Read dictionary. More...
 
void operator= (const propellerDisk &)=delete
 Disallow default bitwise assignment. More...
 
- Public Member Functions inherited from fvModel
 TypeName ("fvModel")
 Runtime type information. More...
 
 declareRunTimeSelectionTable (autoPtr, fvModel, dictionary,(const word &name, const word &modelType, const fvMesh &mesh, const dictionary &dict),(name, modelType, mesh, dict))
 
 fvModel (const word &name, const word &modelType, const fvMesh &mesh, const dictionary &dict)
 Construct from components. More...
 
autoPtr< fvModelclone () const
 Return clone. More...
 
virtual ~fvModel ()
 Destructor. More...
 
const wordname () const
 Return const access to the source name. More...
 
const fvMeshmesh () const
 Return const access to the mesh database. More...
 
const dictionarycoeffs () const
 Return dictionary. More...
 
virtual bool addsSupToField (const word &fieldName) const
 Return true if the fvModel adds a source term to the given. More...
 
virtual scalar maxDeltaT () const
 Return the maximum time-step for stable operation. More...
 
virtual void addSup (fvMatrix< scalar > &eqn) const
 Add a source term to a field-less proxy equation. More...
 
template<class Type >
tmp< fvMatrix< Type > > sourceProxy (const VolField< Type > &eqnField) const
 Add a source term to an equation. More...
 
template<class Type >
tmp< fvMatrix< Type > > source (const VolField< Type > &field) const
 Return source for an equation. More...
 
template<class Type >
tmp< fvMatrix< Type > > sourceProxy (const VolField< Type > &field, const VolField< Type > &eqnField) const
 Return source for an equation. More...
 
template<class Type >
tmp< fvMatrix< Type > > source (const volScalarField &rho, const VolField< Type > &field) const
 Return source for a compressible equation. More...
 
template<class Type >
tmp< fvMatrix< Type > > sourceProxy (const volScalarField &rho, const VolField< Type > &field, const VolField< Type > &eqnField) const
 Return source for a compressible equation. More...
 
template<class Type >
tmp< fvMatrix< Type > > source (const volScalarField &alpha, const volScalarField &rho, const VolField< Type > &field) const
 Return source for a phase equation. More...
 
template<class Type >
tmp< fvMatrix< Type > > sourceProxy (const volScalarField &alpha, const volScalarField &rho, const VolField< Type > &field, const VolField< Type > &eqnField) const
 Return source for a phase equation. More...
 
template<class Type >
tmp< fvMatrix< Type > > source (const volScalarField &alpha, const geometricOneField &rho, const VolField< Type > &field) const
 Return source for a phase equation. More...
 
template<class Type >
tmp< fvMatrix< Type > > source (const geometricOneField &alpha, const volScalarField &rho, const VolField< Type > &field) const
 Return source for a phase equation. More...
 
template<class Type >
tmp< fvMatrix< Type > > source (const geometricOneField &alpha, const geometricOneField &rho, const VolField< Type > &field) const
 Return source for a phase equation. More...
 
template<class Type >
tmp< fvMatrix< Type > > d2dt2 (const VolField< Type > &field) const
 Return source for an equation with a second time derivative. More...
 
virtual void preUpdateMesh ()
 Prepare for mesh update. More...
 
virtual void correct ()
 Correct the fvModel. More...
 
virtual bool write (const bool write=true) const
 Write fvModel data. More...
 
template<class AlphaRhoFieldType , class ... AlphaRhoFieldTypes>
Foam::dimensionSet sourceDims (const dimensionSet &ds, const AlphaRhoFieldType &alphaRhoField, const AlphaRhoFieldTypes &... alphaRhoFields)
 
template<class AlphaRhoFieldType , class ... AlphaRhoFieldTypes>
const Foam::wordfieldName (const AlphaRhoFieldType &alphaRhoField, const AlphaRhoFieldTypes &... alphaRhoFields)
 
template<class AlphaRhoFieldType >
const Foam::wordfieldName (const AlphaRhoFieldType &alphaRhoField)
 
template<class Type , class ... AlphaRhoFieldTypes>
Foam::tmp< Foam::fvMatrix< Type > > sourceTerm (const VolField< Type > &eqnField, const dimensionSet &ds, const AlphaRhoFieldTypes &... alphaRhoFields) const
 
template<class Type >
Foam::tmp< Foam::fvMatrix< Type > > sourceProxy (const VolField< Type > &eqnField) const
 
template<class Type >
Foam::tmp< Foam::fvMatrix< Type > > source (const VolField< Type > &field) const
 
template<class Type >
Foam::tmp< Foam::fvMatrix< Type > > sourceProxy (const VolField< Type > &field, const VolField< Type > &eqnField) const
 
template<class Type >
Foam::tmp< Foam::fvMatrix< Type > > source (const volScalarField &rho, const VolField< Type > &field) const
 
template<class Type >
Foam::tmp< Foam::fvMatrix< Type > > sourceProxy (const volScalarField &rho, const VolField< Type > &field, const VolField< Type > &eqnField) const
 
template<class Type >
Foam::tmp< Foam::fvMatrix< Type > > source (const volScalarField &alpha, const volScalarField &rho, const VolField< Type > &field) const
 
template<class Type >
Foam::tmp< Foam::fvMatrix< Type > > sourceProxy (const volScalarField &alpha, const volScalarField &rho, const VolField< Type > &field, const VolField< Type > &eqnField) const
 
template<class Type >
Foam::tmp< Foam::fvMatrix< Type > > source (const geometricOneField &alpha, const geometricOneField &rho, const VolField< Type > &field) const
 
template<class Type >
Foam::tmp< Foam::fvMatrix< Type > > source (const volScalarField &alpha, const geometricOneField &rho, const VolField< Type > &field) const
 
template<class Type >
Foam::tmp< Foam::fvMatrix< Type > > source (const geometricOneField &alpha, const volScalarField &rho, const VolField< Type > &field) const
 
template<class Type >
Foam::tmp< Foam::fvMatrix< Type > > d2dt2 (const VolField< Type > &field) const
 

Protected Member Functions

virtual scalar n () const
 Return the rotation speed. More...
 
virtual void correctn (const scalar T) const
 No rotation speed correction. More...
 
vector diskCentre () const
 Computes the disk centre. More...
 
scalar diskThickness (const vector &centre) const
 Computes the thickness of the disk in streamwise direction. More...
 
scalar J (const vectorField &U, const vector &nHat) const
 Return the normalised flow-rate through the disk. More...
 
- Protected Member Functions inherited from fvModel
template<class Type >
void addSupType (const VolField< Type > &field, fvMatrix< Type > &eqn) const
 Add a source term to an equation. More...
 
template<class Type >
void addSupType (const volScalarField &rho, const VolField< Type > &field, fvMatrix< Type > &eqn) const
 Add a source term to a compressible equation. More...
 
template<class Type >
void addSupType (const volScalarField &alpha, const volScalarField &rho, const VolField< Type > &field, fvMatrix< Type > &eqn) const
 Add a source term to a phase equation. More...
 
template<class Type , class ... AlphaRhoFieldTypes>
tmp< fvMatrix< Type > > sourceTerm (const VolField< Type > &eqnField, const dimensionSet &ds, const AlphaRhoFieldTypes &... alphaRhoFields) const
 Return a source for an equation. More...
 

Protected Attributes

fvCellSet set_
 The set of cells the fvConstraint applies to. More...
 
word phaseName_
 The name of the phase to which this fvModel applies. More...
 
word UName_
 Name of the velocity field. More...
 
vector diskNormal_
 Disk normal direction. More...
 
scalar n_
 Rotation speed [1/s]. More...
 
scalar rotationDir_
 Rotation direction (obtained from the sign of n_) More...
 
scalar dProp_
 Propeller diameter. More...
 
scalar dHub_
 Hub diameter. More...
 
autoPtr< Function1< vector2D > > propellerFunction_
 Propeller function. More...
 
Switch log_
 Optional switch to enable logging of integral properties. More...
 
autoPtr< functionObjects::logFilelogFile_
 Optional log file. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from fvModel
template<class AlphaRhoFieldType , class ... AlphaRhoFieldTypes>
static dimensionSet sourceDims (const dimensionSet &ds, const AlphaRhoFieldType &alphaRhoField, const AlphaRhoFieldTypes &... alphaRhoFields)
 Return the dimensions of the matrix of a source term. More...
 
static const dimensionSetsourceDims (const dimensionSet &ds)
 Return the dimensions of the matrix of a source term (base. More...
 
template<class AlphaRhoFieldType , class ... AlphaRhoFieldTypes>
static const wordfieldName (const AlphaRhoFieldType &alphaRhoField, const AlphaRhoFieldTypes &... alphaRhoFields)
 Return the name of the field associated with a source term. More...
 
template<class AlphaRhoFieldType >
static const wordfieldName (const AlphaRhoFieldType &alphaRhoField)
 Return the name of the field associated with a source term (base. More...
 
static const wordfieldName ()
 Return the name of the field associated with a source term. Special. More...
 
static autoPtr< fvModelNew (const word &name, const fvMesh &mesh, const dictionary &dict)
 Return a reference to the selected fvModel. More...
 

Detailed Description

Disk momentum source which approximates a propeller based on a given propeller curve.

Reference:

    Hough, G. R., & Ordway, D. E. (1964).
    The generalized actuator disk.
    Developments in theoretical and applied mechanics, 2, 317-336.
Usage
Example usage:
diskSource
{
    type            propellerDisk;

    selectionMode   cellZone;
    cellZone        propeller;

    diskNormal      (1 0 0);    // Normal direction of the disk

    n               26.03;      // Rotation speed [1/s]

    dPropeller      0.203;      // Propeller diameter
    dHub            0.039179;   // Hub diameter

    propellerCurve
    {
        type table;

        //   J     Kt     Kq
        values
        (
            (0.10 (0.3267 0.03748))
            (0.15 (0.3112 0.03629))
            (0.20 (0.2949 0.03500))
            (0.25 (0.2777 0.03361))
            (0.30 (0.2598 0.03210))
            (0.35 (0.2410 0.03047))
            (0.40 (0.2214 0.02871))
            (0.45 (0.2010 0.02682))
            (0.50 (0.1798 0.02479))
            (0.55 (0.1577 0.02261))
            (0.60 (0.1349 0.02027))
            (0.65 (0.1112 0.01777))
            (0.70 (0.0867 0.01509))
            (0.75 (0.0614 0.01224))
            (0.80 (0.0353 0.00921))
        );
    }
}
Source files

Definition at line 109 of file propellerDisk.H.

Constructor & Destructor Documentation

◆ propellerDisk() [1/2]

propellerDisk ( const word name,
const word modelType,
const fvMesh mesh,
const dictionary dict 
)

Construct from components.

Definition at line 140 of file propellerDisk.C.

References fvModel::coeffs().

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◆ propellerDisk() [2/2]

propellerDisk ( const propellerDisk )
delete

Disallow default bitwise copy construction.

◆ ~propellerDisk()

virtual ~propellerDisk ( )
inlinevirtual

Destructor.

Definition at line 213 of file propellerDisk.H.

Member Function Documentation

◆ n()

virtual scalar n ( ) const
inlineprotectedvirtual

Return the rotation speed.

Definition at line 154 of file propellerDisk.H.

References propellerDisk::n_.

◆ correctn()

virtual void correctn ( const scalar  T) const
inlineprotectedvirtual

No rotation speed correction.

Definition at line 160 of file propellerDisk.H.

◆ diskCentre()

Foam::vector diskCentre ( ) const
protected

Computes the disk centre.

Definition at line 98 of file propellerDisk.C.

References Foam::gSum().

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◆ diskThickness()

Foam::scalar diskThickness ( const vector centre) const
protected

Computes the thickness of the disk in streamwise direction.

Definition at line 107 of file propellerDisk.C.

References Foam::gMax(), Foam::magSqr(), and Foam::constant::mathematical::pi().

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◆ J()

Foam::scalar J ( const vectorField U,
const vector nHat 
) const
protected

Return the normalised flow-rate through the disk.

Definition at line 116 of file propellerDisk.C.

References cells, forAll, Foam::mag(), Foam::reduce(), and U.

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◆ TypeName()

TypeName ( "propellerDisk"  )

Runtime type information.

◆ addSupFields()

Foam::wordList addSupFields ( ) const
virtual

Return the list of fields for which the fvModel adds source term.

to the transport equation

Reimplemented from fvModel.

Definition at line 175 of file propellerDisk.C.

◆ addSup() [1/3]

void addSup ( const volVectorField U,
fvMatrix< vector > &  eqn 
) const
virtual

Source term to momentum equation.

Definition at line 199 of file propellerDisk.C.

References fvMatrix< Type >::source(), and U.

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◆ addSup() [2/3]

void addSup ( const volScalarField rho,
const volVectorField U,
fvMatrix< vector > &  eqn 
) const
virtual

Source term to compressible momentum equation.

Definition at line 215 of file propellerDisk.C.

References rho, fvMatrix< Type >::source(), and U.

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◆ addSup() [3/3]

void addSup ( const volScalarField alpha,
const volScalarField rho,
const volVectorField U,
fvMatrix< vector > &  eqn 
) const
virtual

Explicit and implicit sources for phase equations.

Definition at line 181 of file propellerDisk.C.

References alpha(), rho, fvMatrix< Type >::source(), and U.

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◆ movePoints()

bool movePoints ( )
virtual

Update for mesh motion.

Implements fvModel.

Definition at line 232 of file propellerDisk.C.

◆ topoChange()

void topoChange ( const polyTopoChangeMap map)
virtual

Update topology using the given map.

Implements fvModel.

Definition at line 239 of file propellerDisk.C.

◆ mapMesh()

void mapMesh ( const polyMeshMap map)
virtual

Update from another mesh using the given map.

Implements fvModel.

Definition at line 245 of file propellerDisk.C.

◆ distribute()

void distribute ( const polyDistributionMap map)
virtual

Redistribute or update using the given distribution map.

Implements fvModel.

Definition at line 251 of file propellerDisk.C.

◆ read()

bool read ( const dictionary dict)
virtual

Read dictionary.

Reimplemented from fvModel.

Definition at line 160 of file propellerDisk.C.

References dict, and fvModel::read().

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◆ operator=()

void operator= ( const propellerDisk )
delete

Disallow default bitwise assignment.

Member Data Documentation

◆ set_

fvCellSet set_
protected

The set of cells the fvConstraint applies to.

Definition at line 118 of file propellerDisk.H.

◆ phaseName_

word phaseName_
protected

The name of the phase to which this fvModel applies.

Definition at line 121 of file propellerDisk.H.

◆ UName_

word UName_
protected

Name of the velocity field.

Definition at line 124 of file propellerDisk.H.

◆ diskNormal_

vector diskNormal_
protected

Disk normal direction.

Definition at line 127 of file propellerDisk.H.

◆ n_

scalar n_
protected

Rotation speed [1/s].

Definition at line 130 of file propellerDisk.H.

Referenced by propellerDisk::n().

◆ rotationDir_

scalar rotationDir_
protected

Rotation direction (obtained from the sign of n_)

Definition at line 133 of file propellerDisk.H.

◆ dProp_

scalar dProp_
protected

Propeller diameter.

Definition at line 136 of file propellerDisk.H.

◆ dHub_

scalar dHub_
protected

Hub diameter.

Definition at line 139 of file propellerDisk.H.

◆ propellerFunction_

autoPtr<Function1<vector2D> > propellerFunction_
protected

Propeller function.

Definition at line 142 of file propellerDisk.H.

◆ log_

Switch log_
protected

Optional switch to enable logging of integral properties.

Definition at line 145 of file propellerDisk.H.

◆ logFile_

autoPtr<functionObjects::logFile> logFile_
mutableprotected

Optional log file.

Definition at line 148 of file propellerDisk.H.


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