PINNeAPPle-Labs/PINNeAPPle

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Pinneaple is an open-source Physics AI toolkit for Physics-Informed Neural Networks (PINNs), scientific ML, geometry processing, solvers, and reproducible training pipelines.

Is PINNeAPPle-Labs/PINNeAPPle beginner-friendly?

In the last 30 days, PINNeAPPle-Labs/PINNeAPPle merged 11 of 12 pull requests from outside contributors, and its maintainers usually reply within 1 day. No beginner-friendly issue is open right now; the list below has the other issues we hold for it.

Stars: 36
Forks: 10
Open beginner issues: 0
Indexed issues: 612
Avg merge: 7h 8m
Merged PRs (30d): 278

Dominant language: Python
License: Apache-2.0
Last GitHub push: Oct 6, 2026
Latest indexed: Oct 6, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

How to contribute to PINNeAPPle-Labs/PINNeAPPle

Read the contributing guide first: it says how the maintainers want changes proposed, tested and reviewed.
Read its code of conduct: it covers issues and pull requests as well as chat.
Your contributions will be published under the project's Apache-2.0 license.
Follow the repository to hear when a new beginner-friendly issue opens, or look through the other issues below.

Beginner friendly Everything

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Issues somebody may already be working on are listed last. List everything by date

feat(simulation): expor leitura de .frd e de campos binários OpenFOAM como API pública
Open
- Is something wrong?
enhancement roadmap

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

PINNeAPPle-Labs/PINNeAPPle#950 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
feat(registry): suportar artefatos não-torch (pacote JSON de surrogate e gêmeo)
Open
- Is something wrong?
enhancement roadmap

Difficulty 5/5 Over a week Newbie friendliness 45/100

PINNeAPPle-Labs/PINNeAPPle#949 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
feat(systems): pipeline de construção de gêmeo digital (calibração, envelope, pacote)
Open
- Is something wrong?
enhancement roadmap

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

PINNeAPPle-Labs/PINNeAPPle#948 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
feat(analysis): VeriPhysics como CLI com score decomposto e componentes não avaliados
Open
- Is something wrong?
enhancement roadmap

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

PINNeAPPle-Labs/PINNeAPPle#947 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
pp.quickstart() prints a blank problem name and dumps raw ConditionSpec reprs
Open
- Is something wrong?
enhancement

Difficulty 1/5 Under an hour Newbie friendliness 86/100

PINNeAPPle-Labs/PINNeAPPle#945 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
feat(simulation): famílias de casos paramétricos e estatísticas de campo na API pública
Open
- Is something wrong?
enhancement roadmap

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

PINNeAPPle-Labs/PINNeAPPle#946 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
feat(train): fábrica de surrogates com comparação e seleção por alvo
Open
- Is something wrong?
enhancement roadmap

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

PINNeAPPle-Labs/PINNeAPPle#944 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
obs_operator docstring documents a BoundaryObsOperator that does not exist
Open
- Is something wrong?
documentation

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

PINNeAPPle-Labs/PINNeAPPle#943 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
burgers_1d: the reference method is refused because the FDM solver returns a grid over x only
Open
- Is something wrong?
bug

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

PINNeAPPle-Labs/PINNeAPPle#942 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
save_checkpoint stores the dotted class path, so the recorded class_name cannot be rebuilt through ModelRegistry
Open
- Is something wrong?
enhancement

Difficulty 4/5 3-5 days Newbie friendliness 57/100

PINNeAPPle-Labs/PINNeAPPle#941 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
Arena cannot build ModifiedMLP: model_factory passes hidden= but the class takes hidden_dim=
Open
- Is something wrong?
bug

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

PINNeAPPle-Labs/PINNeAPPle#940 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
pp.validate(model, {"pinn": spec}) raises AttributeError for a ProblemSpec; only preset names work
Open
- Is something wrong?
bug

Difficulty 3/5 1-2 days Newbie friendliness 72/100

PINNeAPPle-Labs/PINNeAPPle#939 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
Domain(bounds, shape=...) ignores the CSG: contains() and sample_interior() use the bounding box
Open
- Is something wrong?
bug

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

PINNeAPPle-Labs/PINNeAPPle#938 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
QA pipeline: Q4 needs a defined intake for operational evidence
Open
- Is something wrong?
area: digital-twin effort: M enhancement priority: P3

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

PINNeAPPle-Labs/PINNeAPPle#937 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
QA pipeline: generation envelope is unit-tested but never exercised against a live model
Open
- Is something wrong?
area: core-api effort: S enhancement priority: P2

Difficulty 4/5 1-2 days Newbie friendliness 54/100

PINNeAPPle-Labs/PINNeAPPle#936 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
QA pipeline: hollow-body check only covers closed cylinder-like meshes
Open
- Is something wrong?
area: digital-twin effort: M enhancement priority: P2

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

PINNeAPPle-Labs/PINNeAPPle#935 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
QA pipeline: units validator checks declarations, not the equations themselves
Open
- Is something wrong?
area: core-api effort: L enhancement priority: P2

Difficulty 5/5 Over a week Newbie friendliness 45/100

PINNeAPPle-Labs/PINNeAPPle#934 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
QA pipeline: repair re-validates the source but does not rebuild the artifact bundle
Open
- Is something wrong?
area: core-api effort: M enhancement priority: P1

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

PINNeAPPle-Labs/PINNeAPPle#933 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
QA pipeline: static validation does not see through *args, **kwargs or dynamically built calls
Open
- Is something wrong?
area: core-api effort: M enhancement priority: P2

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

PINNeAPPle-Labs/PINNeAPPle#932 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
QA pipeline: add kernel-level isolation as an opt-in execution mode
Open
- Is something wrong?
area: core-api effort: L enhancement priority: P2

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

PINNeAPPle-Labs/PINNeAPPle#931 · Opened Oct 27, 2026

Maintainers usually reply within 1 day
3-D electric machines: axial-flux, skew, end effects and 3-D losses on top of pinneapple_simulation.electromagnetics.machines
Open
- Is something wrong?
effort: L enhancement fem priority: P1 solvers

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

PINNeAPPle-Labs/PINNeAPPle#929 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Derivative trees from a potential: thermodynamics generalised to any physics (pp.potential)
Open
- Is something wrong?
autodiff effort: L enhancement priority: P1 roadmap

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

PINNeAPPle-Labs/PINNeAPPle#928 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Sensitivity Lab: propagate surrogate error into the Sobol intervals and report ranking stability
Open
- Is something wrong?
effort: M enhancement priority: P1 uq

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

PINNeAPPle-Labs/PINNeAPPle#927 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Football scouting: physics-based player profiles with uncertainty, comparable across feeds
Open
- Is something wrong?
effort: L enhancement priority: P2 uq

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

PINNeAPPle-Labs/PINNeAPPle#924 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Experiment quality checklist and badge (baseline, held-out, seeds/intervals, ablation, provenance, verdict)
Open
- Is something wrong?
area: release-quality benchmark effort: M enhancement priority: P1

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

PINNeAPPle-Labs/PINNeAPPle#923 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Figure quality gate in CI and a generated figure gallery on the docs site
Open
- Is something wrong?
area: release-quality effort: M enhancement priority: P2 visualization

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

PINNeAPPle-Labs/PINNeAPPle#922 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Standard animation template for time-dependent results (MP4/GIF with timer, colour bar, scale bar, caption)
Open
- Is something wrong?
area: visualization effort: M enhancement priority: P2 visualization

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

PINNeAPPle-Labs/PINNeAPPle#921 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Studio 3-D renders and turntables for CFD/FEA/EM fields, one call per experiment (Blender Cycles + three.js PBR)
Open
- Is something wrong?
area: visualization effort: L enhancement priority: P1 twin3d visualization

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

PINNeAPPle-Labs/PINNeAPPle#920 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
One-page engineering report generated from experiment.json + results (KPI cards, verdicts, uncertainty, provenance)
Open
- Is something wrong?
area: visualization effort: L enhancement priority: P1 visualization

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

PINNeAPPle-Labs/PINNeAPPle#919 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
One house theme for all 2-D figures (extend pinneapple_tools.visualization.style; adopt in every example)
Open
- Is something wrong?
area: visualization effort: M enhancement priority: P1 visualization

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

PINNeAPPle-Labs/PINNeAPPle#918 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Football: broadcast-style 3-D replays and a club-grade match report
Open
- Is something wrong?
area: visualization effort: M enhancement priority: P1 visualization

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

PINNeAPPle-Labs/PINNeAPPle#917 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Football: goalkeeper and shot physics in place of the dropped xG case
Open
- Is something wrong?
effort: M enhancement priority: P3

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

PINNeAPPle-Labs/PINNeAPPle#916 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Football: wider public data with licences (SoccerNet tracking, Wyscout/figshare, more StatsBomb 360)
Open
- Is something wrong?
data effort: M enhancement priority: P2

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

PINNeAPPle-Labs/PINNeAPPle#915 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Football: individual acceleration–speed profiles and in-match fatigue from tracking
Open
- Is something wrong?
effort: M enhancement priority: P2

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

PINNeAPPle-Labs/PINNeAPPle#914 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Pitch control from more data: SkillCorner events, per-player parameters, value layer
Open
- Is something wrong?
effort: L enhancement priority: P2

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

PINNeAPPle-Labs/PINNeAPPle#913 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Football landing point: physics-structured model vs trees, with calibrated uncertainty
Open
- Is something wrong?
effort: M enhancement hybrid priority: P2 uq

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

PINNeAPPle-Labs/PINNeAPPle#912 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Football: calibrate broadcast ball height with gravity as the constraint, then infer drag and spin
Open
- Is something wrong?
effort: M enhancement priority: P1

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

PINNeAPPle-Labs/PINNeAPPle#911 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Cosmos Reasoner as an Autonomous Physics Lab tool, with its physical claims checked
Open
- Is something wrong?
agents effort: M enhancement llm priority: P3

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

PINNeAPPle-Labs/PINNeAPPle#910 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Update CosmosAdapter to Cosmos 3 (Generator + Reasoner; Diffusers / vLLM / NIM), GPU-gated
Open
- Is something wrong?
effort: M enhancement gpu interop priority: P2

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

PINNeAPPle-Labs/PINNeAPPle#909 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Physics-residual filter stage for video and tracking data (Curator-style)
Open
- Is something wrong?
data effort: M enhancement priority: P2

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

PINNeAPPle-Labs/PINNeAPPle#908 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Physics-labelled post-training data factory in Cosmos-ready formats
Open
- Is something wrong?
data effort: L enhancement priority: P2

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

PINNeAPPle-Labs/PINNeAPPle#907 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Physics judge for world-model video: exact checks, known-answer benchmark, score card
Open
- Is something wrong?
benchmark effort: L enhancement priority: P1

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

PINNeAPPle-Labs/PINNeAPPle#906 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Epic: industrial-grade experiment quality and visuals across examples/
Open
- Is something wrong?
area: visualization enhancement roadmap visualization

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

PINNeAPPle-Labs/PINNeAPPle#905 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Epic: football physics, round 2 (after #902)
Open
- Is something wrong?
enhancement roadmap

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

PINNeAPPle-Labs/PINNeAPPle#904 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Epic: what PINNeAPPle can take from NVIDIA Cosmos 3 (physics judge, physics data, adapter)
Open
- Is something wrong?
area: ecosystem enhancement roadmap

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

PINNeAPPle-Labs/PINNeAPPle#903 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Publish zoo: the geometries job fails verification with SHA-256 mismatches
Open
- Is something wrong?
Difficulty 4/5 3-5 days Newbie friendliness 42/100

PINNeAPPle-Labs/PINNeAPPle#777 · Opened Oct 17, 2026

Maintainers usually reply within 1 day
Consolidation: unify duplicate helpers inside the library
Open
- Is something wrong?
Difficulty 5/5 Over a week Newbie friendliness 15/100

PINNeAPPle-Labs/PINNeAPPle#694 · Opened Oct 14, 2026

Maintainers usually reply within 1 day
Consolidation: example helpers whose library counterpart behaves differently
Open
- Is something wrong?
Difficulty 5/5 Over a week Newbie friendliness 8/100

PINNeAPPle-Labs/PINNeAPPle#693 · Opened Oct 14, 2026

Maintainers usually reply within 1 day
Consolidation: example solvers that need a published reference before they move
Open
- Is something wrong?
Difficulty 4/5 3-5 days Newbie friendliness 20/100

PINNeAPPle-Labs/PINNeAPPle#692 · Opened Oct 14, 2026

Maintainers usually reply within 1 day
Consolidation: unstructured streamlines, strict OpenFOAM dictionary editor, erosion models, MCMC inverse, rollout evaluator
Open
- Is something wrong?
Difficulty 5/5 Over a week Newbie friendliness 12/100

PINNeAPPle-Labs/PINNeAPPle#691 · Opened Oct 14, 2026

Maintainers usually reply within 1 day

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