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Project Status: Active – The project has reached a stable, usable state and is being actively developed.

FinEtoolsDDMethods.jl

Domain decomposition methods: solvers and algorithms used with FinEtools applications.

News

  • 11/28/2024: Paper about the 2-level Schwarz implementation of a CG solver accepted for publication in Computer Methods in Applied Mechanics and Engineering.

Capabilities and limitations

Only linear static problems are addressed at the moment. FinEtools discretization only.

  • Schur-based decomposition for conjugate gradient iteration.
  • Overlapping Schwarz two-level preconditioning of conjugate gradient iteration with coherent node clusters.

Both of the above can now be expressed as MPI-parallel algorithms.

Examples

Please refer to the README in the examples folder for instructions on how to get the examples to run.

References

Paper submitted for the coherent node cluster conjugate gradient preconditioner with applications to almost incompressible elasticity and general shells.

Paper in the accepted form is compatible with version 0.4.2.

Old news

  • 08/29/2024: Cleanup of the interface. Sequential, MPI, threaded execution supported.