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Add Galerkin-in-Time #104

Merged
merged 47 commits into from
Jan 10, 2025
Merged

Add Galerkin-in-Time #104

merged 47 commits into from
Jan 10, 2025

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ScottMacLachlan
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We've worked out the UFL manipulation to implement both continuous and discontinuous Galerkin-in-time steppers. CG is, in some instances, equivalent to Gauss-Legendre (and, so symplectic), while DG is dissipative.

ScottMacLachlan and others added 30 commits December 10, 2024 08:53
@ScottMacLachlan
Start to rough out Galerkin in time
afe86e2
@rckirby
Galerkin form manipulation
418b491
@rckirby
WIP: BC's & nullspaces
17dcefd
@rckirby
are we ready for the moment of truth? Probably not
f79e114
@rckirby
I didn't think so. But are we there yet?
06080ba
@ScottMacLachlan
Add first test and fix some (but not all) bugs
cab8c37
@ScottMacLachlan
Lint
c7dac88
@rckirby
fix shaping of quadrature points after we tabulate
bfe7ca4
@rckirby
make CG test space properly discontinuous, re-work lowest order case
b46ecaa
@ScottMacLachlan
Adding Neumann BC test
06841ab
@ScottMacLachlan
Adding homogeneous Dirichlet test
f0114d6
@ScottMacLachlan
Move mass to after permutation
c732e45
@rckirby
test Bernstein now
42e8cb2
@ScottMacLachlan
Testing quadrature
871a293
@ScottMacLachlan
Ensure you don't under-integrate too much to impose BCs
a9d7573
@ScottMacLachlan
Add wave equation energy test
9ffa9ae
@ScottMacLachlan
Adding some demos
6598cf5
@rckirby
WIP: DG
7adfbd1
@ScottMacLachlan
Fixing bugs and trying tests
7d1bdee
@ScottMacLachlan
More tweaks
1123a43
@ScottMacLachlan
Fix off-by-one
068b8e1
@ScottMacLachlan
Tweak tests to try and debug
ede5217
@ScottMacLachlan
Tweaks in DGTimeStepper
1359886
@ScottMacLachlan
DG passing Neumann tests
a644cb2
@ScottMacLachlan
Fixing DG test for homog Dirichlet BC
d5e5a1b
@ScottMacLachlan
Fix BC bug
a38b8a2
@ScottMacLachlan
Undo some testing changes
06a415c
@ScottMacLachlan
Unrelated typo fix
6c55905
@ScottMacLachlan
Doc updates and some tweaks
6c76677
@rckirby
Update Bernstein logic
54defb8
@pbrubeck pbrubeck force-pushed the smaclachlan/the_other_git branch from 45bb847 to 5d286c9 Compare December 14, 2024 17:21
ScottMacLachlan
ScottMacLachlan commented Dec 16, 2024
View reviewed changes
irksome/galerkin_stepper.py Show resolved Hide resolved
tests/test_disc_galerkin.py Outdated Show resolved Hide resolved
tests/test_galerkin.py Outdated Show resolved Hide resolved
@rckirby rckirby merged commit cbf6af4 into master Jan 10, 2025
2 checks passed
@rckirby rckirby deleted the smaclachlan/the_other_git branch January 10, 2025 17:15
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3 participants
@ScottMacLachlan @rckirby @pbrubeck