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ShyLU/FROSch: use Muelu in Laplace problem

James Willenbring requested to merge mayrmt:frosch-muelu-for-laplace into develop

Created by: mayrmt



  • Laplace problem: Adding tests to use MueLu as a coarse level solver within FROSch's GDSW
  • Adding a more thorough error check to address #4208 (closed)
  • Stokes problem: read file name of HDF5-file from the command line

Motivation and Context

We want to try MueLu as coarse level solver for FROSch's GDSW. This starts with Laplace, but we aim at Stokes (or similar) problems in the end.

Related Issues

How Has This Been Tested?

I added an Epetra and a Tpetra test for the Laplace problem. Both pass locally.


  • My commit messages mention the appropriate GitHub issue numbers.
  • My code follows the code style of the affected package(s).
  • My change requires a change to the documentation.
  • I have updated the documentation accordingly.
  • I have read the code contribution guidelines for this project.
  • I have added tests to cover my changes.
  • All new and existing tests passed.
  • No new compiler warnings were introduced.
  • These changes break backwards compatibility.

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