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Add CitcomS predictor-corrector DDt manager for composed transport - #689

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gthyagi wants to merge 40 commits into

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gthyagi:feature/zhong2008-supg-integration

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Add CitcomS predictor-corrector DDt manager for composed transport#689
gthyagi wants to merge 40 commits into
underworldcode:developmentfrom
gthyagi:feature/zhong2008-supg-integration

Commits on Sep 3, 2026
- Expose the BDF and Adams-Moulton coefficient symbols on the DDt managers
  
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  f7d1a21
- Pack and index auxiliary fields by DM field, not by position in mesh.vars
  
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  e84dea9
- Add the RotatingGaussian transport oracle; fix the integral-norm error for scalar variables
  
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  ccfc23b
- Extract the per-element timestep estimate shared by the advection-diffusion solvers
  
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  6d8e2b7
- Skip the mesh-owned multigrid pickup for a solver that owns its preconditioner
  
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  9c8a125
- Eulerian advection-diffusion with SUPG: BDF and Adams-Moulton orders from the symbolic history
  
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  b686530
- Design note for the Eulerian SUPG solver; BDF2 becomes the default from the integrator study
  
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  451efe3
- Integrator study, res 64: BDF3 grows slowly on pure advection at any Courant number
  
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  f076781
- AdvDiffusionSUPG takes the semi-Lagrangian solver's interface: a drop-in replacement
  
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  2b9941c
- Drop the integrator argument: order and theta already reach every safe scheme
  
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  252165e
- An accuracy-based timestep for the Eulerian solver; credit NengLu in the module and note
  
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  417f7b8
Commits on Sep 4, 2026
Commits on Sep 5, 2026
Commits on Sep 6, 2026
- fix: infer mesh cell family collectively on empty MPI ranks
  gthyagi
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  0e90dcb
- fix: make stabilization cell sizes local to each cell (#687)
  gthyagi
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  0f6b78f
- test: prove cell-size partition independence
  gthyagi
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  accf259
- test: restore default Nitsche local-h path
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  f41bcd2
Commits on Sep 8, 2026
- Merge development and migrate CitcomS integration to a DDt transport manager
  gthyagi
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  cd155fc
Commits on Oct 12, 2026
- Merge development into the CitcomS SUPG predictor-corrector branch
  
  lmoresi
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  26c677e
- CI reaches the SUPG predictor-corrector tests
  
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  c7ae4bf
Commits on Oct 13, 2026
- Merge remote-tracking branch 'origin/development' into HEAD
  lmoresi
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  3d2d1d1
- Keep has_solution across a rewind, and declare EulerianSUPGPC's adjoint
  
  lmoresi
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  a0f4d36

Commits

Commits on Sep 3, 2026

Commits on Sep 4, 2026

Commits on Sep 5, 2026

Commits on Sep 6, 2026

Commits on Sep 8, 2026

Commits on Oct 12, 2026

Commits on Oct 13, 2026