Public Member Functions | Static Public Member Functions | List of all members
fvMeshDistribute Class Reference

Sends/receives parts of mesh+fvfields to neighbouring processors. Used in load balancing. More...

Public Member Functions

 ClassName ("fvMeshDistribute")
 
 fvMeshDistribute (fvMesh &mesh, const scalar mergeTol)
 Construct from mesh and absolute merge tolerance. More...
 
autoPtr< mapDistributePolyMesh > distribute (const labelList &dist)
 Send cells to neighbours according to distribution. More...
 

Static Public Member Functions

static labelList countCells (const labelList &)
 Helper function: count cells per processor in wanted distribution. More...
 
static void printCoupleInfo (const primitiveMesh &, const labelList &, const labelList &, const labelList &, const labelList &)
 Print some info on coupling data. More...
 
template<class GeoField >
static void printFieldInfo (const fvMesh &)
 Print some field info. More...
 
static void printMeshInfo (const fvMesh &)
 Print some info on mesh. More...
 
static tmp< surfaceScalarField > generateTestField (const fvMesh &)
 Generate a test field on faces. More...
 
static void testField (const surfaceScalarField &)
 Check whether field consistent with face orientation. More...
 

Detailed Description

Sends/receives parts of mesh+fvfields to neighbouring processors. Used in load balancing.

Input is per local cell the processor it should move to. Moves meshes and volFields/surfaceFields and returns map which can be used to distribute other.

Notes:

  • does not handle cyclics. Will probably handle separated proc patches.
  • if all cells move off processor also all its processor patches will get deleted so comms might be screwed up (since e.g. globalMeshData expects procPatches on all)
  • initial mesh has to have procPatches last and all normal patches common to all processors and in the same order. This is checked.
  • faces are matched topologically but points on the faces are not. So expect problems -on separated patches (cyclics?) -on zero sized processor edges.
Source files

Definition at line 73 of file fvMeshDistribute.H.

Constructor & Destructor Documentation

◆ fvMeshDistribute()

fvMeshDistribute ( fvMesh &  mesh,
const scalar  mergeTol 
)

Construct from mesh and absolute merge tolerance.

Definition at line 1686 of file fvMeshDistribute.C.

Member Function Documentation

◆ ClassName()

ClassName ( "fvMeshDistribute"  )

◆ countCells()

Foam::labelList countCells ( const labelList &  distribution)
static

Helper function: count cells per processor in wanted distribution.

Definition at line 1696 of file fvMeshDistribute.C.

References Foam::abort(), Foam::endl(), Foam::FatalError, FatalErrorInFunction, forAll, UPstream::nProcs(), and Foam::Zero.

Referenced by meshRefinement::balance().

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◆ distribute()

Foam::autoPtr< Foam::mapDistributePolyMesh > distribute ( const labelList &  dist)

Send cells to neighbours according to distribution.

(for every cell the new proc)

Definition at line 1720 of file fvMeshDistribute.C.

References Foam::abort(), fvMeshAdder::add(), UPstream::allToAll(), polyMesh::boundaryMesh(), fvMeshSubset::cellMap(), polyBoundaryMesh::checkParallelSync(), Foam::expressions::patchExpr::debug, Foam::endl(), fvMeshSubset::faceFlipMap(), Foam::faceMap(), fvMeshSubset::faceMap(), polyMesh::faceOwner(), Foam::FatalError, FatalErrorInFunction, PstreamBuffers::finishedSends(), forAll, Foam::identity(), Foam::inplaceRenumber(), Foam::inplaceReorder(), HashSet< Key, Hash >::insert(), UPstream::myProcNo(), primitiveMesh::nBoundaryFaces(), primitiveMesh::nCells(), autoPtr< T >::New(), primitiveMesh::nFaces(), primitiveMesh::nInternalFaces(), Foam::nl, UPstream::nonBlocking, primitiveMesh::nPoints(), UPstream::nProcs(), UPstream::parRun(), patches, fvMeshSubset::patchMap(), fvMeshSubset::pointMap(), Foam::Pout, Foam::renumber(), HashTable< T, Key, Hash >::resize(), polyBoundaryMesh::start(), fvMeshSubset::subMesh(), List< T >::transfer(), and Foam::Zero.

Referenced by meshRefinement::balance().

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◆ printCoupleInfo()

void printCoupleInfo ( const primitiveMesh &  mesh,
const labelList &  sourceFace,
const labelList &  sourceProc,
const labelList &  sourcePatch,
const labelList &  sourceNewNbrProc 
)
static

Print some info on coupling data.

Definition at line 275 of file fvMeshDistribute.C.

References Foam::endl(), primitiveMesh::faceCentres(), forAll, mesh, primitiveMesh::nInternalFaces(), Foam::nl, and Foam::Pout.

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◆ printFieldInfo()

void printFieldInfo ( const fvMesh &  mesh)
static

Print some field info.

Definition at line 34 of file fvMeshDistributeTemplates.C.

References Foam::endl(), fld, forAllConstIters(), mesh, OSstream::name(), Foam::nl, Foam::Pout, and fileName::type().

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◆ printMeshInfo()

void printMeshInfo ( const fvMesh &  mesh)
static

Print some info on mesh.

Definition at line 215 of file fvMeshDistribute.C.

References fvMesh::boundary(), polyMesh::cellZones(), Foam::endl(), polyMesh::faceZones(), forAll, mesh, patchIdentifier::name(), zone::name(), primitiveMesh::nCells(), primitiveMesh::nFaces(), primitiveMesh::nInternalFaces(), Foam::nl, primitiveMesh::nPoints(), patches, polyMesh::points(), polyMesh::pointZones(), Foam::Pout, and polyPatch::start().

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◆ generateTestField()

Foam::tmp< Foam::surfaceScalarField > generateTestField ( const fvMesh &  mesh)
static

Generate a test field on faces.

Definition at line 396 of file fvMeshDistribute.C.

References Foam::dimless, fld, forAll, fvMesh::magSf(), mesh, n, IOobject::NO_READ, IOobject::NO_WRITE, Foam::normalised(), VectorSpace< Vector< Cmpt >, Cmpt, 3 >::one, tmp< T >::ref(), fvMesh::Sf(), fvMesh::time(), Time::timeName(), and Foam::Zero.

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◆ testField()

void testField ( const surfaceScalarField &  fld)
static

Check whether field consistent with face orientation.

Definition at line 446 of file fvMeshDistribute.C.

References Foam::cos(), Foam::constant::electromagnetic::e, Foam::endl(), primitiveMesh::faceCentres(), fld, forAll, Foam::mag(), fvMesh::magSf(), mesh, n, fvPatch::name(), Foam::normalised(), VectorSpace< Vector< Cmpt >, Cmpt, 3 >::one, fvsPatchField< Type >::patch(), fvMesh::Sf(), fvPatch::start(), and WarningInFunction.

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