trixi-framework/TrixiParticles.jl

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TrixiParticles.jl: Particle-based multiphysics simulations in Julia

Stars: 83
Forks: 24
Open beginner issues: 0
Indexed issues: 113
Avg merge: 8d 18h
Merged PRs (30d): 3

Dominant language: Julia
License: MIT
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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113 open issues indexed

`current_acceleration` for TLSPH is always zero Open

discussion

Difficulty 5/5 Over a week Newbie friendliness 30/100

trixi-framework/TrixiParticles.jl#1314 · Opened Sep 16, 2026
`pipe_flow_2d.jl` crashes Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

trixi-framework/TrixiParticles.jl#1309 · 7 comments · Opened Sep 7, 2026
Example file seems to be outdated: `complex_shape_3d` Open

Difficulty 3/5 1-2 days Newbie friendliness 70/100

trixi-framework/TrixiParticles.jl#1307 · 1 comment · Opened Sep 2, 2026
Are split integration time steps missed by the info callback summary if the split integration callback comes after the info callback? Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

trixi-framework/TrixiParticles.jl#1250 · Opened Jul 24, 2026
Create Literate tutorial for restart simulations Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

trixi-framework/TrixiParticles.jl#1236 · Opened Jun 23, 2026
Weird allocations with static matrices Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

trixi-framework/TrixiParticles.jl#1157 · 2 comments · Opened Apr 23, 2026
Review time integration of `EnergyCalculatorCallback` Open

trixi-framework/TrixiParticles.jl#1156 · 1 assignee · Opened Apr 23, 2026
Remove CUDA FP64 fast divisions if they get integrated into CUDA.jl Open

trixi-framework/TrixiParticles.jl#1137 · 5 comments · 1 assignee · Opened Apr 10, 2026
`extrude_geometry` doesn't accept `Tuple`s Open

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

trixi-framework/TrixiParticles.jl#1136 · Opened Apr 9, 2026
Something is not timed correctly with open boundaries Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

trixi-framework/TrixiParticles.jl#1135 · Opened Apr 9, 2026
Poiseuille Flow Setups are not stable when switched to PST Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

trixi-framework/TrixiParticles.jl#1133 · 4 comments · Opened Apr 8, 2026
`CohesionForceAkinci` is broken and untested Open

bug

trixi-framework/TrixiParticles.jl#1132 · 1 assignee · Opened Apr 7, 2026
3x Speedup on GPUs: Checklist Open

gpu performance

trixi-framework/TrixiParticles.jl#1131 · 1 assignee · Opened Apr 7, 2026
Drop support for Julia 1.10 and 1.11 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

trixi-framework/TrixiParticles.jl#1121 · 1 comment · Opened Mar 26, 2026
Creating multiple rigid-bodies in semi causes additional allocations Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

trixi-framework/TrixiParticles.jl#1111 · Opened Mar 19, 2026
Consider switching to OrdinaryDiffEq.jl sub packages Open

trixi-framework/TrixiParticles.jl#1107 · 1 comment · 2 reactions · 2 assignees · Opened Mar 18, 2026
Complex shape usability Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

trixi-framework/TrixiParticles.jl#1106 · Opened Mar 18, 2026
Creating a semidiscretization results in quadratic precompilation time Open

trixi-framework/TrixiParticles.jl#1105 · 2 assignees · Opened Mar 18, 2026
Postprocess callback condition might be incorrect Open

trixi-framework/TrixiParticles.jl#1102 · 1 comment · 1 reaction · 2 assignees · Opened Mar 16, 2026
Review inconsistencies and errors Open

trixi-framework/TrixiParticles.jl#1099 · 1 reaction · 2 assignees · Opened Mar 16, 2026
Rigid Bodies are not efficiently calculated using center of mass to update position Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

trixi-framework/TrixiParticles.jl#1098 · Opened Mar 16, 2026
Stack overflow in `BoundaryZone` Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 52/100

trixi-framework/TrixiParticles.jl#1092 · Opened Mar 13, 2026
Extend interpolation functions to integrator/callback Open

documentation

Difficulty 5/5 Over a week Newbie friendliness 28/100

trixi-framework/TrixiParticles.jl#1068 · 1 comment · Opened Feb 13, 2026
Open boundaries don't work if `UpdateCallback` is not the last callback in the list Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

trixi-framework/TrixiParticles.jl#1067 · 3 comments · Opened Feb 6, 2026
Packing should use constant mass Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

trixi-framework/TrixiParticles.jl#1050 · Opened Jan 19, 2026
Revise fluid CFL condition Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

trixi-framework/TrixiParticles.jl#1048 · Opened Jan 16, 2026
Refactor semi in next major release Open

discussion

Difficulty 5/5 Over a week Newbie friendliness 25/100

trixi-framework/TrixiParticles.jl#1045 · Opened Jan 13, 2026
Revise `create_cache_open_boundary` in `OpenBoundarySystem` Open

trixi-framework/TrixiParticles.jl#1039 · 1 assignee · Opened Jan 7, 2026
Improve StepsizeCallback with more timestepping possibilities Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

trixi-framework/TrixiParticles.jl#1023 · 1 comment · Opened Dec 15, 2025
StepsizeCallback doesn't support using it as an upper limit for adaptive timestepping Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

trixi-framework/TrixiParticles.jl#1022 · 2 comments · Opened Dec 15, 2025
`PrescribedMotion` is not reusable Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

trixi-framework/TrixiParticles.jl#1020 · Opened Dec 10, 2025
Support a different eltype only for the coordinates for complex_shape, sample_boundary and extrude_geometry Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

trixi-framework/TrixiParticles.jl#1007 · Opened Dec 3, 2025
Group GHA updates by Dependabot into a single PR Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

trixi-framework/TrixiParticles.jl#1004 · Opened Dec 2, 2025
Fix tests with Julia 1.12 Open

bug

trixi-framework/TrixiParticles.jl#961 · 1 assignee · Opened Oct 20, 2025
Tutorial Proposal : Analyzing particle transport around adaptive mesh regions with TrixiParticles.jl Open

discussion

Difficulty 5/5 Over a week Newbie friendliness 30/100

trixi-framework/TrixiParticles.jl#960 · 15 comments · Opened Oct 17, 2025
EDAC on Float32 is unstable for small smoothing length Open

bug

trixi-framework/TrixiParticles.jl#951 · 1 assignee · Opened Oct 13, 2025
structure-fluid smoothing length and search radius are not the same Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

trixi-framework/TrixiParticles.jl#923 · Opened Sep 24, 2025
Rename `volume` to `volume_inverse` in `BoundaryModelCharacteristicsLastiwka` Open

trixi-framework/TrixiParticles.jl#919 · 1 assignee · Opened Sep 22, 2025
IISPH docs are confusing Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

trixi-framework/TrixiParticles.jl#911 · 1 comment · Opened Sep 16, 2025
IISPH is not correctly considering velocity of moving boundaries Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

trixi-framework/TrixiParticles.jl#910 · Opened Sep 15, 2025
The `DEMSystem` is an `AbstractStructureSystem` Open

trixi-framework/TrixiParticles.jl#907 · 1 assignee · Opened Sep 14, 2025
`OpenBoundarySystem` is not an `AbstractBoundarySystem` Open

trixi-framework/TrixiParticles.jl#906 · 1 assignee · Opened Sep 14, 2025
Adding updates from example files Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

trixi-framework/TrixiParticles.jl#881 · Opened Aug 14, 2025
EDAC is not working in simulations with two-phases Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

trixi-framework/TrixiParticles.jl#873 · Opened Jul 31, 2025
Deactivate whitespace_in_kwargs Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

trixi-framework/TrixiParticles.jl#865 · Opened Jul 23, 2025
`smoothing_length_factor` is mandatory but stored in the cache Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

trixi-framework/TrixiParticles.jl#860 · Opened Jul 14, 2025
Add unit tests for `write_meta_data()` functionality Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

trixi-framework/TrixiParticles.jl#848 · Opened Jun 30, 2025
Non-public API is used in sampling example without comment Open

trixi-framework/TrixiParticles.jl#846 · 1 comment · 1 assignee · Opened Jun 26, 2025
Missing Test #821 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

trixi-framework/TrixiParticles.jl#831 · Opened Jun 12, 2025
TLSPH doesn't work across periodic boundaries Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

trixi-framework/TrixiParticles.jl#826 · Opened Jun 9, 2025

trixi-framework/TrixiParticles.jl

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