rotorDisk Class Reference

Cell based momentum source which approximates the mean effects of rotor forces on a cylindrical region within the domain. More...

Inheritance diagram for rotorDisk:
Collaboration diagram for rotorDisk:

Public Types

enum  geometryModeType { automatic , specified }
 
enum  inletFlowType { fixed , surfaceNormal , local }
 

Public Member Functions

 TypeName ("rotorDisk")
 Runtime type information. More...
 
 rotorDisk (const word &name, const word &modelType, const fvMesh &mesh, const dictionary &dict)
 Construct from components. More...
 
virtual ~rotorDisk ()
 Destructor. More...
 
scalar rhoRef () const
 Return the reference density for incompressible case. More...
 
scalar omega () const
 Return the rotational speed [rad/s]. More...
 
const fvCellSetset () const
 
const List< point > & x () const
 Return the cell centre positions in local rotor frame. More...
 
const coordinateSystems::cylindricalcoordSys () const
 Return the rotor co-ordinate system (r, theta, z) More...
 
virtual wordList addSupFields () const
 Return the list of fields for which the fvModel adds source term. More...
 
template<class RhoFieldType >
void calculate (const RhoFieldType &rho, const vectorField &U, const scalarField &thetag, vectorField &force, const bool divideVolume=true, const bool output=true) const
 Calculate forces. 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 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 source dictionary. 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
 

Static Public Attributes

static const NamedEnum< geometryModeType, 2 > geometryModeTypeNames_
 
static const NamedEnum< inletFlowType, 3 > inletFlowTypeNames_
 

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...
 
- 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...
 

Detailed Description

Cell based momentum source which approximates the mean effects of rotor forces on a cylindrical region within the domain.

Usage
Example usage:
rotorDisk1
{
    type            rotorDisk;

    U               U;          // Name of the velocity field

    nBlades         3;          // Number of blades
    tipEffect       0.96;       // Normalised radius above which lift = 0
    inletFlowType   local;      // Inlet flow type specification
    geometryMode    auto;       // Geometry specification
    refDirection    (-1 0 0);   // Reference direction for psi angle

    trimModel       fixed;      // Trim model; fixed or targetCoeff
    // see fixedTrim.H or targetCoeffTrim.H for documentation

    flapCoeffs
    {
        beta0           0;  // Coning angle [deg]
        beta1c          0;  // Lateral flapping coeff (cos coeff)
        beta2s          0;  // Longitudinal flapping coeff (sin coeff)
    }

    blade
    {
        // see bladeModel.H for documentation
    }

    profiles
    {
        profile1
        {
            type    lookup;     // Profile model; lookup or series

            ...

            // see lookupProfile.H or seriesProfile.H for documentation
        }
        profile2
        {
            ...
        }
    }
}

Where: Valid fvModels for the geometryMode entry include:

  • auto : determine rotor coordinate system from cells
  • specified : specified coordinate system

Valid fvModels for the inletFlowType entry include:

  • fixed : specified velocity
  • local : use local flow conditions
  • surfaceNormal : specified normal velocity (positive towards rotor)
See also
Foam::bladeModel Foam::lookupProfile Foam::seriesProfile
Source files

Definition at line 122 of file rotorDisk.H.

Member Enumeration Documentation

◆ geometryModeType

Enumerator
automatic 
specified 

Definition at line 128 of file rotorDisk.H.

◆ inletFlowType

Enumerator
fixed 
surfaceNormal 
local 

Definition at line 135 of file rotorDisk.H.

Constructor & Destructor Documentation

◆ rotorDisk()

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

Construct from components.

Definition at line 506 of file rotorDisk.C.

◆ ~rotorDisk()

~rotorDisk ( )
virtual

Destructor.

Definition at line 541 of file rotorDisk.C.

Member Function Documentation

◆ TypeName()

TypeName ( "rotorDisk"  )

Runtime type information.

◆ rhoRef()

Foam::scalar rhoRef ( ) const
inline

Return the reference density for incompressible case.

Definition at line 30 of file rotorDiskI.H.

◆ omega()

Foam::scalar omega ( ) const
inline

Return the rotational speed [rad/s].

Positive anti-clockwise when looking along -ve lift direction

Definition at line 36 of file rotorDiskI.H.

◆ set()

const Foam::fvCellSet & set ( ) const
inline

Definition at line 42 of file rotorDiskI.H.

◆ x()

const Foam::List< Foam::point > & x ( ) const
inline

Return the cell centre positions in local rotor frame.

(Cylindrical r, theta, z)

Definition at line 48 of file rotorDiskI.H.

◆ coordSys()

const Foam::coordinateSystems::cylindrical & coordSys ( ) const
inline

Return the rotor co-ordinate system (r, theta, z)

Definition at line 55 of file rotorDiskI.H.

◆ 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 547 of file rotorDisk.C.

◆ calculate()

void calculate ( const RhoFieldType &  rho,
const vectorField U,
const scalarField thetag,
vectorField force,
const bool  divideVolume = true,
const bool  output = true 
) const

◆ addSup() [1/2]

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

Source term to momentum equation.

Definition at line 553 of file rotorDisk.C.

References Foam::fvPatchDistWave::calculate(), fvMatrix< Type >::dimensions(), Foam::dimVolume, Foam::name(), U, regIOobject::write(), and Foam::Zero.

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◆ addSup() [2/2]

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

Source term to compressible momentum equation.

Definition at line 593 of file rotorDisk.C.

References Foam::fvPatchDistWave::calculate(), fvMatrix< Type >::dimensions(), Foam::dimVolume, Foam::name(), rho, U, regIOobject::write(), and Foam::Zero.

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◆ movePoints()

bool movePoints ( )
virtual

Update for mesh motion.

Implements fvModel.

Definition at line 631 of file rotorDisk.C.

◆ topoChange()

void topoChange ( const polyTopoChangeMap map)
virtual

Update topology using the given map.

Implements fvModel.

Definition at line 638 of file rotorDisk.C.

◆ mapMesh()

void mapMesh ( const polyMeshMap map)
virtual

Update from another mesh using the given map.

Implements fvModel.

Definition at line 644 of file rotorDisk.C.

◆ distribute()

void distribute ( const polyDistributionMap map)
virtual

Redistribute or update using the given distribution map.

Implements fvModel.

Definition at line 650 of file rotorDisk.C.

◆ read()

bool read ( const dictionary dict)
virtual

Read source dictionary.

Reimplemented from fvModel.

Definition at line 656 of file rotorDisk.C.

References dict, and fvModel::read().

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Member Data Documentation

◆ geometryModeTypeNames_

const Foam::NamedEnum< Foam::fv::rotorDisk::geometryModeType, 2 > geometryModeTypeNames_
static

Definition at line 133 of file rotorDisk.H.

◆ inletFlowTypeNames_

const Foam::NamedEnum< Foam::fv::rotorDisk::inletFlowType, 3 > inletFlowTypeNames_
static

Definition at line 141 of file rotorDisk.H.


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