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|
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 4.x |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
note "mesh decomposition control dictionary";
object decomposeParDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
numberOfSubdomains 2;
// Optional decomposition constraints
//constraints
//{
// preserveBaffles
// {
// //- Keep owner and neighbour of baffles on same processor (i.e.
// // keep it detectable as a baffle). Baffles are two boundary face
// // sharing the same points
// type preserveBaffles;
// }
// preserveFaceZones
// {
// //- Keep owner and neighbour on same processor for faces in zones
// type preserveFaceZones;
// zones (".*");
// }
// preservePatches
// {
// //- Keep owner and neighbour on same processor for faces in patches
// // (only makes sense for cyclic patches. Not suitable for e.g.
// // cyclicAMI since these are not coupled on the patch level. Use
// // singleProcessorFaceSets for those)
// type preservePatches;
// patches (".*");
// }
// singleProcessorFaceSets
// {
// //- Keep all of faceSet on a single processor. This puts all cells
// // connected with a point, edge or face on the same processor.
// // (just having face connected cells might not guarantee a balanced
// // decomposition)
// // The processor can be -1 (the decompositionMethod chooses the
// // processor for a good load balance) or explicitly provided (upsets
// // balance)
// type singleProcessorFaceSets;
// singleProcessorFaceSets ((f1 -1));
// }
// refinementHistory
// {
// //- Decompose cells such that all cell originating from single cell
// // end up on same processor
// type refinementHistory;
// }
//}
// Deprecated form of specifying decomposition constraints:
//- Keep owner and neighbour on same processor for faces in zones:
// preserveFaceZones (heater solid1 solid3);
//- Keep owner and neighbour on same processor for faces in patches:
// (makes sense only for cyclic patches. Not suitable for e.g. cyclicAMI
// since these are not coupled on the patch level. Use
// singleProcessorFaceSets for those)
//preservePatches (cyclic_half0 cyclic_half1);
//- Keep all of faceSet on a single processor. This puts all cells
// connected with a point, edge or face on the same processor.
// (just having face connected cells might not guarantee a balanced
// decomposition)
// The processor can be -1 (the decompositionMethod chooses the processor
// for a good load balance) or explicitly provided (upsets balance).
//singleProcessorFaceSets ((f0 -1));
//- Keep owner and neighbour of baffles on same processor (i.e. keep it
// detectable as a baffle). Baffles are two boundary face sharing the
// same points.
//preserveBaffles true;
//- Use the volScalarField named here as a weight for each cell in the
// decomposition. For example, use a particle population field to decompose
// for a balanced number of particles in a lagrangian simulation.
// weightField dsmcRhoNMean;
method scotch;
//method hierarchical;
// method simple;
// method metis;
// method manual;
// method multiLevel;
// method structured; // does 2D decomposition of structured mesh
multiLevelCoeffs
{
// Decomposition methods to apply in turn. This is like hierarchical but
// fully general - every method can be used at every level.
level0
{
numberOfSubdomains 64;
//method simple;
//simpleCoeffs
//{
// n (2 1 1);
// delta 0.001;
//}
method scotch;
}
level1
{
numberOfSubdomains 4;
method scotch;
}
}
// Desired output
simpleCoeffs
{
n (2 1 1);
delta 0.001;
}
hierarchicalCoeffs
{
n (1 2 1);
delta 0.001;
order xyz;
}
metisCoeffs
{
/*
processorWeights
(
1
1
1
1
);
*/
}
scotchCoeffs
{
//processorWeights
//(
// 1
// 1
// 1
// 1
//);
//writeGraph true;
//strategy "b";
}
manualCoeffs
{
dataFile "decompositionData";
}
structuredCoeffs
{
// Patches to do 2D decomposition on. Structured mesh only; cells have
// to be in 'columns' on top of patches.
patches (movingWall);
// Method to use on the 2D subset
method scotch;
}
//// Is the case distributed? Note: command-line argument -roots takes
//// precedence
//distributed yes;
//// Per slave (so nProcs-1 entries) the directory above the case.
//roots
//(
// "/tmp"
// "/tmp"
//);
// ************************************************************************* //
|
