Intermediate PR for #1930

Review checklist

This checklist is meant to assist creators of PRs (to let them know what reviewers will typically look for) and reviewers (to guide them in a structured review process). Items do not need to be checked explicitly for a PR to be eligible for merging.

Purpose and scope

[ ] The PR has a single goal that is clear from the PR title and/or description.
[ ] All code changes represent a single set of modifications that logically belong together.
[ ] No more than 500 lines of code are changed or there is no obvious way to split the PR into multiple PRs.

Code quality

[ ] The code can be understood easily.
[ ] Newly introduced names for variables etc. are self-descriptive and consistent with existing naming conventions.
[ ] There are no redundancies that can be removed by simple modularization/refactoring.
[ ] There are no leftover debug statements or commented code sections.
[ ] The code adheres to our conventions and style guide, and to the Julia guidelines.

Documentation

[ ] New functions and types are documented with a docstring or top-level comment.
[ ] Relevant publications are referenced in docstrings (see example for formatting).
[ ] Inline comments are used to document longer or unusual code sections.
[ ] Comments describe intent ("why?") and not just functionality ("what?").
[ ] If the PR introduces a significant change or new feature, it is documented in NEWS.md.

Testing

[ ] The PR passes all tests.
[ ] New or modified lines of code are covered by tests.
[ ] New or modified tests run in less then 10 seconds.

Performance

[ ] There are no type instabilities or memory allocations in performance-critical parts.
[ ] If the PR intent is to improve performance, before/after time measurements are posted in the PR.

Verification

[ ] The correctness of the code was verified using appropriate tests.
[ ] If new equations/methods are added, a convergence test has been run and the results are posted in the PR.

Created with :heart: by the Trixi.jl community.

trixi-framework / Trixi.jl

Intermediate PR for #1930 #1931