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Add filter for interior elements in volume coupling#74

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Fujikawas wants to merge 4 commits intodevelopfrom
interiorcell
Open

Add filter for interior elements in volume coupling#74
Fujikawas wants to merge 4 commits intodevelopfrom
interiorcell

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@Fujikawas Fujikawas commented Feb 20, 2026

Description

To close #42.
With this PR, only interior elements for reach rank will be passed to preCICE for setting mesh vertices in a distributed volume coupling case. Equivalent feature for surface coupling is not implemented yet as there more information of the grid is required and the function call can be bulky.

Related documentation is added.

Checklist

  • I made sure that the source files are formatted properly.
  • I added my changes to the changelog (CHANGELOG.md)
  • I updated the documentation.
  • I added a test for the new feature.

@IshaanDesai IshaanDesai added the enhancement New feature or request label Feb 22, 2026
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Distinguish interior and ghost elements during parallel execution

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