WIP: Algebraic multigrid with filtering (AMGF) preconditioner for contact linear systems#1542

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thartland wants to merge 14 commits intodevelopfrom

hartland1/feature/amgf

Commits on Feb 16, 2026

Commits on Feb 17, 2026

internally determining contact dof data
thartland
committed

Commits on Feb 18, 2026

Commits on Feb 20, 2026

Commits on Feb 21, 2026

new test... need to investigate issues with larger penalty parameter
thartland
committed

Commits on Feb 23, 2026

small changes to test script
thartland
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updated test script. using CG... need to determine why there are issues with exact contact Jacobians
thartland
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Merge remote-tracking branch 'origin/develop' into hartland1/feature/amgf
thartland
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Commits on Feb 25, 2026

bug fix
thartland
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style
thartland
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Commits on Feb 26, 2026

bug fix + better comments/consistent variable names
thartland
committed