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Domain Partition Scheme

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› Forums › OpenLB › General Topics › Domain Partition Scheme

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  • July 8, 2025 at 4:00 pm #10456
    yueyq
    Participant

    Hello,

    In OpenLB, the line
    CuboidGeometry2D<T> cuboidGeometry(cuboid, converter.getConversionFactorLength(), singleton::mpi().getSize());
    automatically partitions the domain into cuboids by the number.
    Is it possible for users to customize the partitioning scheme?
    And is non-uniform partitioning supported?

    Thanks very much.
    Yueyq

    July 10, 2025 at 12:07 pm #10461
    Adrian
    Keymaster

    Yes, there are also different schemes already implemented (e.g. by-value and by-weight). It is also possible to load decompositions from XML files (see e.g. turbulence/nozzle3d) and of course to implement your own scheme.

    The implemented schemes will already give you a non uniform partition if you e.g. adjust the weights. You can find more details in the user guide and our preprint.

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