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ScalarEq: Implement modal Bspline2 DG evolution

Merged ScalarEq: Implement modal Bspline2 DG evolution
fa/scalareq-bspline into main
Merged Florian Atteneder requested to merge fa/scalareq-bspline into main

Similar to !207 (merged), but using the new 2nd order Bspline basis.

Currently supports only bare evolutions and no HRSC etc.

Also: This is a quasi-nodal Ansatz similar to the Bernstein Ansatz, i.e. it is not interpolating, but the modal coefficients are related to some sampling of the data on the grid. This means that one has to sum the modal coefficients onto the grid to obtain the nodal values, which can be done with interpolate or a Vandermonde matrix. Atm this is not consistently done in the ScalarEq project, hence, care needs to be examined when interpreting results!

Merge request reports

Merge request pipeline #7201 passed

Stage: test

    Merge request pipeline passed for 331b4efd

    Test coverage 65.40% from 1 job
    Approval is optional

    Merged by Florian AttenederFlorian Atteneder 7 months ago (Aug 20, 2024 1:18pm UTC)

    Merge details

    • Changes merged into main with 8cf7196c (commits were squashed).
    • Deleted the source branch.
    • Auto-merge enabled

    Pipeline #7202 passed

    Stage: test
      Stage: deploy

        Pipeline passed for 8cf7196c on main

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