Base for geometrical domain decomposition methods. More...
#include <geomDecomp.H>


Public Member Functions | |
| geomDecomp (const Vector< label > &divisions) | |
| Construct with number of x/y/z division (no coefficients or constraints). | |
| geomDecomp (const word &derivedType, const dictionary &decompDict, int select=selectionType::DEFAULT) | |
| Construct for derived type name and decomposition dictionary. | |
| geomDecomp (const word &derivedType, const dictionary &decompDict, const word ®ionName, int select=selectionType::DEFAULT) | |
| Construct for derived type name, decomposition dictionary and region name. | |
| virtual bool | geometric () const |
| Purely geometric methods. | |
| virtual labelList | decompose (const pointField &points, const scalarField &pointWeights=scalarField::null()) const =0 |
| 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 ®ionName),(decompDict, regionName)) | |
| decompositionMethod (const dictionary &decompDict, const word ®ionName="") | |
| 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 | parallelAware () const =0 |
| Is method parallel aware? | |
| virtual labelList | decompose (const polyMesh &mesh, const pointField &points, const scalarField &pointWeights=scalarField::null()) const =0 |
| Return for every coordinate the wanted processor number, using uniform or specified point weights. | |
| virtual labelList | decompose (const polyMesh &mesh, const labelList &cellToRegion, const pointField ®ionPoints, const scalarField ®ionWeights=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 =0 |
| Return for every coordinate the wanted processor number. | |
| virtual labelList | decompose (const labelListList &globalCellCells, const pointField &cc, const scalarField &cWeights=scalarField::null()) const =0 |
| 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. | |
Protected Member Functions | |
| tmp< pointField > | adjustPoints (const pointField &) const |
| Apply delta (jitter) or rotation to coordinates. | |
| void | checkDecompositionDirections (const Vector< label > &) const |
| Check that mesh directions are compatible with decomposition. | |
| 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. | |
Protected Attributes | |
| Vector< label > | n_ |
| The divisions. | |
| Vector< direction > | order_ |
| Decomposition order in terms of components (optional). | |
| const dictionary & | coeffsDict_ |
| Coefficients for all derived methods. | |
| 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. | |
Additional Inherited Members | |
| Static Public Member Functions inherited from decompositionMethod | |
| static label | nDomains (const dictionary &decompDict, const word ®ionName="") |
Return region-specific or top-level numberOfSubdomains entry. | |
| static const dictionary & | optionalRegionDict (const dictionary &decompDict, const word ®ionName) |
| Return an optional region-specific dictionary from "regions" sub-dictionary, or dictionary::null on failure. | |
| static autoPtr< decompositionMethod > | New (const dictionary &decompDict, const word ®ionName="") |
| 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... | |
| 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. | |
Base for geometrical domain decomposition methods.
Base coefficients:
| Property | Description | Required | Default |
|---|---|---|---|
n | (nx ny nz) | yes | |
order | order of operation | no | xyz |
delta | delta (jitter) for rotation matrix | no | 0.001 |
rotation | coordinate rotation | no |
Definition at line 82 of file geomDecomp.H.
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explicit |
Construct with number of x/y/z division (no coefficients or constraints).
Definition at line 145 of file geomDecomp.C.
References coeffsDict_, decompositionMethod::decompositionMethod(), n_, order_, x, and y.
Referenced by hierarchGeomDecomp::hierarchGeomDecomp(), hierarchGeomDecomp::hierarchGeomDecomp(), simpleGeomDecomp::simpleGeomDecomp(), and simpleGeomDecomp::simpleGeomDecomp().


| geomDecomp | ( | const word & | derivedType, |
| const dictionary & | decompDict, | ||
| int | select = selectionType::DEFAULT ) |
Construct for derived type name and decomposition dictionary.
Definition at line 156 of file geomDecomp.C.
References coeffsDict_, decompositionMethod::decompositionMethod(), decompositionMethod::findCoeffsDict(), n_, and order_.

| geomDecomp | ( | const word & | derivedType, |
| const dictionary & | decompDict, | ||
| const word & | regionName, | ||
| int | select = selectionType::DEFAULT ) |
Construct for derived type name, decomposition dictionary and region name.
Definition at line 174 of file geomDecomp.C.
References coeffsDict_, decompositionMethod::decompositionMethod(), decompositionMethod::findCoeffsDict(), n_, order_, and regionName.

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protected |
Apply delta (jitter) or rotation to coordinates.
Definition at line 114 of file geomDecomp.C.
References points.
Referenced by hierarchGeomDecomp::decompose().

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protected |
Check that mesh directions are compatible with decomposition.
Definition at line 123 of file geomDecomp.C.
References VectorSpace< Vector< Cmpt >, Cmpt, 3 >::componentNames, Foam::endl(), n_, and WarningInFunction.
Referenced by hierarchGeomDecomp::decompose(), and simpleGeomDecomp::decompose().


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inlinevirtual |
Purely geometric methods.
Reimplemented from decompositionMethod.
Definition at line 185 of file geomDecomp.H.
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pure virtual |
Return for every coordinate the wanted processor number.
Reimplemented from decompositionMethod.
Implemented in hierarchGeomDecomp, and simpleGeomDecomp.
References Field< scalar >::null(), and points.

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protected |
The divisions.
Definition at line 122 of file geomDecomp.H.
Referenced by checkDecompositionDirections(), geomDecomp(), geomDecomp(), and geomDecomp().
Decomposition order in terms of components (optional).
Definition at line 127 of file geomDecomp.H.
Referenced by geomDecomp(), geomDecomp(), and geomDecomp().
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protected |
Coefficients for all derived methods.
Definition at line 132 of file geomDecomp.H.
Referenced by geomDecomp(), geomDecomp(), and geomDecomp().