Decompose based on cell-to-processor association in a file. More...

#include <manualDecomp.H>

Inheritance diagram for manualDecomp:

Collaboration diagram for manualDecomp:

Public Member Functions
	manualDecomp (const manualDecomp &)=delete
	No copy construct.
void	operator= (const manualDecomp &)=delete
	No copy assignment.
	TypeName ("manual")
	Runtime type information.
	manualDecomp (const dictionary &decompDict, const word &regionName="")
	Construct given decomposition dictionary and optional region name.
virtual	~manualDecomp ()=default
	Destructor.
virtual bool	parallelAware () const
	Manual decompose does not care about proc boundaries. Is all up to the user.
virtual labelList	decompose (const polyMesh &mesh, const pointField &cc, const scalarField &cWeights=scalarField::null()) const
	Return for every coordinate the wanted processor number.
virtual labelList	decompose (const CompactListList< label > &globalCellCells, const pointField &cc, const scalarField &cWeights=scalarField::null()) const
	Return for every coordinate the wanted processor number.
virtual labelList	decompose (const labelListList &globalCellCells, const pointField &cc, const scalarField &cWeights=scalarField::null()) const
	Return for every coordinate the wanted processor number.
Public Member Functions inherited from decompositionMethod
	decompositionMethod (const decompositionMethod &)=delete
	No copy construct.
void	operator= (const decompositionMethod &)=delete
	No copy assignment.
	TypeName ("decompositionMethod")
	Runtime type information.
	declareRunTimeSelectionTable (autoPtr, decompositionMethod, dictionary,(const dictionary &decompDict, const word &regionName),(decompDict, regionName))
	decompositionMethod (const dictionary &decompDict, const word &regionName="")
	Construct given the decomposition dictionary, optionally region-specific.
virtual	~decompositionMethod ()=default
	Destructor.
label	nDomains () const noexcept
	Number of domains.
label	nDomains (const label n)
	Set number of domains. Return old value.
virtual bool	geometric () const
	True if the method is purely geometric, often using cell centre points.
virtual labelList	decompose (const pointField &points, const scalarField &pointWeights=scalarField::null()) const
	Return the wanted processor number for every coordinate, using uniform or specified point weights.
virtual labelList	decompose (const polyMesh &mesh, const labelList &cellToRegion, const pointField &regionPoints, const scalarField &regionWeights=scalarField::null()) const
	Return for every coordinate the wanted processor number.
void	setConstraints (const polyMesh &mesh, boolList &blockedFace, PtrList< labelList > &specifiedProcessorFaces, labelList &specifiedProcessor, List< labelPair > &explicitConnections) const
	Helper: extract constraints:
void	applyConstraints (const polyMesh &mesh, const boolList &blockedFace, const PtrList< labelList > &specifiedProcessorFaces, const labelList &specifiedProcessor, const List< labelPair > &explicitConnections, labelList &finalDecomp) const
	Helper: apply constraints to a decomposition.
virtual labelList	decompose (const polyMesh &mesh, const scalarField &cellWeights, const boolList &blockedFace, const PtrList< labelList > &specifiedProcessorFaces, const labelList &specifiedProcessor, const List< labelPair > &explicitConnections) const
labelList	decompose (const polyMesh &mesh, const scalarField &cWeights) const
	Decompose a mesh.

Additional Inherited Members
Static Public Member Functions inherited from decompositionMethod
static label	nDomains (const dictionary &decompDict, const word &regionName="")
	Return region-specific or top-level `numberOfSubdomains` entry.
static const dictionary &	optionalRegionDict (const dictionary &decompDict, const word &regionName)
	Return an optional region-specific dictionary from "regions" sub-dictionary, or dictionary::null on failure.
static autoPtr< decompositionMethod >	New (const dictionary &decompDict, const word &regionName="")
	Return a reference to the selected decomposition method, optionally region-specific.
static void	calcCellCells (const polyMesh &mesh, const labelList &agglom, const label nLocalCoarse, const bool parallel, CompactListList< label > &cellCells)
	Determine (local or global) cellCells from mesh agglomeration.
static void	calcCellCells (const polyMesh &mesh, const labelList &agglom, const label nLocalCoarse, const bool parallel, CompactListList< label > &cellCells, CompactListList< scalar > &cellCellWeights)
	Determine (local or global) cellCells and face weights from mesh agglomeration.
Protected Types inherited from decompositionMethod
enum	selectionType { DEFAULT = 0 , EXACT = 1 , MANDATORY = 2 , NULL_DICT = 4 }
	Selection type when handling the coefficients dictionary. More...
Protected Member Functions inherited from decompositionMethod
FOAM_NO_DANGLING_REFERENCE const dictionary &	findCoeffsDict (const word &coeffsName, int select=selectionType::DEFAULT) const
	Locate coeffsName dictionary or the fallback "coeffs" dictionary.
	decompositionMethod (const label numDomains)
	Construct with specified number of domains, no coefficients or constraints.
Static Protected Member Functions inherited from decompositionMethod
static FOAM_NO_DANGLING_REFERENCE const dictionary &	findCoeffsDict (const dictionary &dict, const word &coeffsName, int select=selectionType::DEFAULT)
	Locate coeffsName dictionary or the fallback "coeffs" dictionary within an enclosing dictionary.
Protected Attributes inherited from decompositionMethod
const dictionary &	decompDict_
	Top-level decomposition dictionary (eg, decomposeParDict).
const dictionary &	decompRegionDict_
	Region-specific decomposition dictionary information.
label	nDomains_
	Number of domains for the decomposition.
PtrList< decompositionConstraint >	constraints_
	Optional constraints.

Detailed Description

Decompose based on cell-to-processor association in a file.

Method coefficients:

Property	Description	Required	Default
`dataFile`	filename of cell decomposition data	yes

Source files

Definition at line 61 of file manualDecomp.H.

Constructor & Destructor Documentation

◆ manualDecomp() [1/2]

manualDecomp ( const manualDecomp & )

delete

No copy construct.

References manualDecomp().

Referenced by manualDecomp(), and operator=().

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◆ manualDecomp() [2/2]

manualDecomp	(	const dictionary &	decompDict,
		const word &	regionName = "" )

explicit

Construct given decomposition dictionary and optional region name.

Definition at line 42 of file manualDecomp.C.

References decompositionMethod::decompositionMethod(), decompositionMethod::findCoeffsDict(), Foam::GlobalIOList< Tuple2< scalar, vector > >::typeName, and regionName.

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◆ ~manualDecomp()

virtual ~manualDecomp ( )

virtualdefault

Destructor.

Member Function Documentation

◆ operator=()

void operator= ( const manualDecomp & )

delete

No copy assignment.

References manualDecomp().

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◆ TypeName()

TypeName ( "manual" )

Runtime type information.

References regionName.

◆ parallelAware()

virtual bool parallelAware ( ) const

inlinevirtual

Manual decompose does not care about proc boundaries. Is all up to the user.

Implements decompositionMethod.

Definition at line 114 of file manualDecomp.H.

◆ decompose() [1/3]

Foam::labelList decompose	(	const polyMesh &	mesh,
		const pointField &	cc,
		const scalarField &	cWeights = scalarField::null() ) const

virtual

Return for every coordinate the wanted processor number.

Use the mesh connectivity (if needed)

Implements decompositionMethod.

Definition at line 58 of file manualDecomp.C.

References Foam::endl(), Foam::exit(), Foam::FatalError, FatalErrorInFunction, mesh, Foam::minMax(), IOobjectOption::MUST_READ, decompositionMethod::nDomains_, IOobjectOption::NO_REGISTER, IOobjectOption::NO_WRITE, points, range, IOList< label >::readContents(), and UList< T >::size().

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◆ decompose() [2/3]

virtual labelList decompose	(	const CompactListList< label > &	globalCellCells,
		const pointField &	cc,
		const scalarField &	cWeights = scalarField::null() ) const