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Channel Transport OF AMR by fsimonis · Pull Request #689 · precice/tutorials · GitHub

Channel Transport OF AMR - #689

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fsimonis:channel-transport-openfoam-amr
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Channel Transport OF AMR#689
fsimonis wants to merge 1 commit into
precice:developfrom
fsimonis:channel-transport-openfoam-amr

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This PR is based on #551 and adds AMR capabilities to the transport solver of the channel-transport tutorial.
It is a testbed for implementing adaptive-dynamic mesh support in the OpenFOAM adapter.

Checklist:

  • I added a summary of any user-facing changes (compared to the last release) in the changelog-entries/<PRnumber>.md.
  • I will remember to squash-and-merge, providing a useful summary of the changes of this PR.

fsimonis force-pushed the channel-transport-openfoam-amr branch from b1f4d6a to 34bf9b7 Compare June 25, 2026 07:41

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Rebased the prototype on develop after #551 was merged.

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Current state is:

  • the solver stores explicitly
    • $\Delta T$: not necessary, but useful for debugging
    • $||\Delta T||_2$: required for the refinement
  • AMR kicks in and refines the cells correctly
  • These new cells will not receive new data form preCICE, so their velocity stays at zero, capturing $T$.
  • The non-refined cells correctly transport $T$.

So, remeshing support in the OpenFOAM adapter is the next step.

MakisH commented Jun 25, 2026

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Related issue in the OpenFOAM adapter: precice/openfoam-adapter#382

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