Add a filter and upsampler to gk twist-shift bc - #1088

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Antoinehoff wants to merge 41 commits into

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gk_tsbc_filter_fix

Commits on May 9, 2026

Interpolate potential to a 2x higher resolution grid and apply TS BC there, then coarsen back to the original grid as an attempt to deal with aliasing. There are many inefficiencies right now, like…
manauref
committed
c915f59

Commits on May 11, 2026

Apply TS BC to the distributions on a higher resolution grid too. Runs on CPU, not yet tested on GPU.
manauref
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d9d0d84

Commits on May 12, 2026

Commits on Jun 16, 2026

Merge main -> poisson_perp_bias-core_only-TSBCinterp
manauref
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241a369
Restore machine files to match main.
manauref
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fffdf8b

Commits on Jul 23, 2026

Merge remote-tracking branch 'origin/main' into gk_tsbc_filter
Antoinehoff
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eab5c3f

Commits on Jul 24, 2026

Add a low pass filter updater. We can now apply upsampling, filtering, and down sampling in the twist and shift updater.
Antoinehoff
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387aac4

Commits on Jul 27, 2026

Commits on Jul 28, 2026

Merge remote-tracking branch 'origin/gk_unit_test_fix' into gk_tsbc_filter_fix
Antoinehoff
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1c8c551

Commits on Jul 29, 2026

Commits on Jul 30, 2026

Fix the treatment of the reflexion at the domain boundary. The filter at the boundary is not cropped but act on a reflexion of the data and this includes a change of sign of odd basis element coeff…
Antoinehoff
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25e2b4d

Commits on Jul 31, 2026

Commits on Aug 3, 2026

Commits on Aug 6, 2026

Commits on Aug 25, 2026

Commits on Sep 1, 2026

adopt the "inew" and "new" updater creator naming convention and remove the conservation test for the bump when the stencil is truncated because it cannot conserve in this scenario.
Antoinehoff
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63dee82

Commits on Sep 2, 2026

Merge remote-tracking branch 'origin/main' into gk_tsbc_filter_fix
Antoinehoff
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8ff455e
fix the cell translation unit test of tsbc
Antoinehoff
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8a69bbf
small typo correction
Antoinehoff
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fc3c696