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tetDecomposer Class Reference

Decomposes polyMesh into tets (or pyramids). More...

#include <tetDecomposer.H>

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Public Types

enum  decompositionType { FACE_CENTRE_TRIS , FACE_DIAG_TRIS , PYRAMID , FACE_DIAG_QUADS }

Public Member Functions

 ClassName ("tetDecomposer")
 Runtime type information.
 tetDecomposer (const polyMesh &)
 Construct from mesh.
const labelList & cellToPoint () const
 From cell to tet point.
const labelList & faceToPoint () const
 From face to tet point (only for faceCentre).
const labelListList & faceOwnerCells () const
 Per face, per point (faceCentre) or triangle (faceDiag).
const labelListList & faceNeighbourCells () const
 Per face, per point (faceCentre) or triangle (faceDiag).
void setRefinement (const decompositionType decomposeType, const bitSet &decomposeCell, polyTopoChange &meshMod)
 Insert all changes into meshMod to convert the polyMesh into.
void setRefinement (const decompositionType decomposeType, const bitSet &decomposeCell, const bitSet &decomposeFace, polyTopoChange &meshMod)
 Insert all changes into meshMod to convert the polyMesh into subshapes (tets/prisms). Explicit control over which faces get decomposed. Can be used e.g. to not split triangles.
void updateMesh (const mapPolyMesh &)
 Force recalculation of locally stored data on topological change.

Static Public Attributes

static const Enum< decompositionType > decompositionTypeNames

Detailed Description

Decomposes polyMesh into tets (or pyramids).

Cells neighbouring decomposed cells are not decomposed themselves so will be polyhedral.

Source files

Definition at line 60 of file tetDecomposer.H.

Member Enumeration Documentation

◆ decompositionType

enum decompositionType
Enumerator
FACE_CENTRE_TRIS 
FACE_DIAG_TRIS 
PYRAMID 
FACE_DIAG_QUADS 

Definition at line 66 of file tetDecomposer.H.

Constructor & Destructor Documentation

◆ tetDecomposer()

tetDecomposer ( const polyMesh & mesh)

Construct from mesh.

Definition at line 483 of file tetDecomposer.C.

References mesh.

Member Function Documentation

◆ ClassName()

ClassName ( "tetDecomposer" )

Runtime type information.

◆ cellToPoint()

const labelList & cellToPoint ( ) const
inline

From cell to tet point.

Definition at line 222 of file tetDecomposer.H.

◆ faceToPoint()

const labelList & faceToPoint ( ) const
inline

From face to tet point (only for faceCentre).

Definition at line 230 of file tetDecomposer.H.

◆ faceOwnerCells()

const labelListList & faceOwnerCells ( ) const
inline

Per face, per point (faceCentre) or triangle (faceDiag).

the added tet on the owner side. For non-face (pyramid) size 1.

Definition at line 242 of file tetDecomposer.H.

◆ faceNeighbourCells()

const labelListList & faceNeighbourCells ( ) const
inline

Per face, per point (faceCentre) or triangle (faceDiag).

the added tet on the neighbour side. For non-face (pyramid) size 1.

Definition at line 253 of file tetDecomposer.H.

◆ setRefinement() [1/2]

void setRefinement ( const decompositionType decomposeType,
const bitSet & decomposeCell,
polyTopoChange & meshMod )

Insert all changes into meshMod to convert the polyMesh into.

subshapes (tets/prisms)

Definition at line 491 of file tetDecomposer.C.

References forAll, setRefinement(), and syncTools::swapBoundaryFaceList().

Referenced by setRefinement().

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◆ setRefinement() [2/2]

void setRefinement ( const decompositionType decomposeType,
const bitSet & decomposeCell,
const bitSet & decomposeFace,
polyTopoChange & meshMod )

Insert all changes into meshMod to convert the polyMesh into subshapes (tets/prisms). Explicit control over which faces get decomposed. Can be used e.g. to not split triangles.

Definition at line 539 of file tetDecomposer.C.

References Foam::abort(), polyTopoChange::addCell(), polyTopoChange::addPoint(), HashTable< T, Key, Hash >::clear(), e, face::edge(), HashTable< T, Key, Hash >::end(), Foam::exit(), f(), FACE_CENTRE_TRIS, FACE_DIAG_QUADS, FACE_DIAG_TRIS, Foam::FatalError, FatalErrorInFunction, face::find(), HashTable< T, Key, Hash >::find(), Foam::flatOutput(), faceZone::flipMap(), forAll, forAllConstIters, HashTable< T, Key, Hash >::insert(), Foam::max(), n, face::nextLabel(), p0, pbm, pp(), face::prevLabel(), UList< T >::rcIndex(), List< T >::resize_nocopy(), UList< T >::size(), syncTools::swapFaceList(), and faceZone::whichFace().

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◆ updateMesh()

void updateMesh ( const mapPolyMesh & map)

Force recalculation of locally stored data on topological change.

Definition at line 1594 of file tetDecomposer.C.

References forAll, Foam::inplaceRenumber(), mapPolyMesh::reverseCellMap(), and mapPolyMesh::reversePointMap().

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Member Data Documentation

◆ decompositionTypeNames

const Foam::Enum< Foam::tetDecomposer::decompositionType > decompositionTypeNames
static

Definition at line 74 of file tetDecomposer.H.

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