SciML/NeuralPDE.jl

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Physics-Informed Neural Networks (PINN) Solvers of (Partial) Differential Equations for Scientific Machine Learning (SciML) accelerated simulation

Stars: 1.2k
Forks: 250
Open beginner issues: 0
Indexed issues: 135
Avg merge: 1d 14h
Merged PRs (30d): 35

Dominant language: Julia
License: No license data
Last GitHub push: Sep 17, 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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135 open issues indexed

Array-valued arguments of dependent variables and vector calculus (u(t, x) with x[1:d]) Open

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

SciML/NeuralPDE.jl#1181 · Opened Sep 13, 2026
Re-enlarge the DGM tests and tutorial now that problem generation no longer scales with parameter count Open

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

SciML/NeuralPDE.jl#1180 · Opened Sep 13, 2026
NNSDE2 GBM weak-solve tolerance is sensitive to floating-point summation order Open

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

SciML/NeuralPDE.jl#1179 · Opened Sep 13, 2026
Sampling lifecycle: resample! caveats, seeded variant, and RNG consumption by symbolic_discretize Open

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

SciML/NeuralPDE.jl#1178 · Opened Sep 13, 2026
Transfer learning by distillation (neural_adapter of NeuralPDE 6) Open

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

SciML/NeuralPDE.jl#1176 · Opened Sep 13, 2026
Adaptive loss weights as callbacks over the weights parameters Open

Difficulty 5/5 Over a week Newbie friendliness 48/100

SciML/NeuralPDE.jl#1177 · Opened Sep 13, 2026
Bayesian PINNs for PDEs on the rewritten pipeline Open

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

SciML/NeuralPDE.jl#1175 · Opened Sep 13, 2026
General arguments of dependent variables: u(t, x + 1), u(2x) Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

SciML/NeuralPDE.jl#1174 · Opened Sep 13, 2026
GPU training for the rewritten PDE pipeline Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

SciML/NeuralPDE.jl#1172 · Opened Sep 13, 2026
Boundary conditions as exact constraints through a constrained solver Open

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

SciML/NeuralPDE.jl#1173 · Opened Sep 13, 2026
Forward-mode Enzyme derivative backend (AbstractDerivativeLowering) Open

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

SciML/NeuralPDE.jl#1171 · Opened Sep 13, 2026
Make Enzyme the CPU default for the generated PINN objective Open

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

SciML/NeuralPDE.jl#1170 · Opened Sep 13, 2026
Integro-differential equations in the rewritten parser Open

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

SciML/NeuralPDE.jl#1169 · Opened Sep 13, 2026
Parser rewrite follow-ups: integrals, Enzyme/GPU, exact constraints, array coordinates, Bayesian PDEs Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

SciML/NeuralPDE.jl#1166 · Opened Sep 12, 2026
NNPDE1 PDE IV test is underdetermined on the full square (standalone counterexample) Open

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

SciML/NeuralPDE.jl#1164 · 1 comment · Opened Sep 12, 2026
SDEPINN constrains the initial density at only one spatial point Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

SciML/NeuralPDE.jl#1156 · Opened Sep 8, 2026
NNSDE residual enforces Stratonovich GBM while analytic tests target Itô Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

SciML/NeuralPDE.jl#1148 · 2 comments · Opened Sep 5, 2026
NNSDE2 OU MSE is CI-specific on Julia 1.11 after Optim 2.3 resolution Open

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

SciML/NeuralPDE.jl#1145 · 1 comment · Opened Sep 4, 2026
NNODE batched RHS default breaks nnode__ode_example_2 Open

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

SciML/NeuralPDE.jl#1143 · Opened Sep 4, 2026
Clean master docs fail inverse-collocation accuracy assertion Open

Difficulty 4/5 3-5 days Newbie friendliness 50/100

SciML/NeuralPDE.jl#1111 · Opened Aug 9, 2026
PINOODE solution call is ambiguous with dependency derivative calls Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

SciML/NeuralPDE.jl#1110 · Opened Aug 9, 2026
Strict Aqua persistent-task QA fails through current dependencies Open

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

SciML/NeuralPDE.jl#1109 · 2 comments · Opened Aug 9, 2026
Data-collocation inverse tutorial assertion fails on clean master Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

SciML/NeuralPDE.jl#1105 · 1 comment · Opened Aug 9, 2026
Core trivial-boundary-condition test fails on Julia 1.10 Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

SciML/NeuralPDE.jl#1104 · Opened Aug 9, 2026
QA ambiguities: PINOODE PDETimeSeriesSolution callable ambiguous with RecursiveArrayTools/SciMLBase Open

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

SciML/NeuralPDE.jl#1079 · 1 comment · Opened Jun 25, 2026
GPU AD failing Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

SciML/NeuralPDE.jl#1052 · 3 comments · Opened Apr 23, 2026
Downgrade test disabled Open

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

SciML/NeuralPDE.jl#1023 · 6 comments · Opened Jan 29, 2026
Re-enable Julia nightly (pre) tests Open

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

SciML/NeuralPDE.jl#1016 · 6 comments · Opened Jan 16, 2026
Fokker-Planck test fails: Zygote missing adjoint rules for IntegralSolution Open

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

SciML/NeuralPDE.jl#1015 · Opened Jan 15, 2026
IntegroDiff tests fail with spvals/SparseArrays error during Zygote differentiation Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

SciML/NeuralPDE.jl#1014 · Opened Jan 15, 2026
Improve error message when tuple is passed in for parameter estimation Open

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

SciML/NeuralPDE.jl#1011 · Opened Jan 11, 2026
Breaking changes from dependency update in PR #1004 Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

SciML/NeuralPDE.jl#1009 · Opened Jan 7, 2026
XPINN for Multi-Material Domains Open

question

Difficulty 5/5 Over a week Newbie friendliness 20/100

SciML/NeuralPDE.jl#990 · Opened Dec 11, 2025
MTK system type instability with physics-informed neural networks for parameter estimation for ODEs Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 28/100

SciML/NeuralPDE.jl#932 · 4 comments · Opened Mar 19, 2025
Potential precision loss in AutoDiff through the loss function Open

bug

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

SciML/NeuralPDE.jl#931 · 5 comments · 1 reaction · Opened Mar 15, 2025
Any way to directly access the the Residual Vector in NeuralPDEs.jl? Open

question

Difficulty 4/5 3-5 days Newbie friendliness 30/100

SciML/NeuralPDE.jl#929 · 2 comments · Opened Mar 7, 2025
Nonlinear equations work on CPU but not GPU Open

bug

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

SciML/NeuralPDE.jl#914 · 2 comments · Opened Nov 18, 2024
Making the package more maintainable Open

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

SciML/NeuralPDE.jl#900 · 7 comments · Opened Oct 16, 2024
not possible to train on GPU due to PDE Open

question

Difficulty 4/5 3-5 days Newbie friendliness 30/100

SciML/NeuralPDE.jl#898 · Opened Oct 14, 2024
Residual/gradient adaptative sampling Open

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

SciML/NeuralPDE.jl#894 · 1 comment · Opened Sep 25, 2024
Vector output for PINO ODE Open

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

SciML/NeuralPDE.jl#871 · Opened Jul 2, 2024
How to solve SDEs with NeuralPDE? Open

question

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

SciML/NeuralPDE.jl#867 · 2 comments · 1 reaction · Opened Jun 21, 2024
The trial solutions to additional_loss function are different depending on parameters Open

bug

SciML/NeuralPDE.jl#855 · 1 assignee · Opened May 13, 2024
GPU Compatibility Issue: Compilation Error with Complex-Valued Data in LuxCUDA Broadcasting Kernel Open

bug

SciML/NeuralPDE.jl#844 · 10 comments · 1 assignee · Opened Apr 3, 2024
NeuralPDE with LuxAMDGPU, Optimize.solve throws error Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 28/100

SciML/NeuralPDE.jl#835 · Opened Mar 18, 2024
KeyError when solving Parameter Identification problem using NeuralPDE.jl Open

question

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

SciML/NeuralPDE.jl#829 · 9 comments · Opened Mar 10, 2024
Distance functions as a description of complex geometries Open

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

SciML/NeuralPDE.jl#793 · 1 comment · Opened Feb 1, 2024
Parameter Estimation formulation in PINNs Open

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

SciML/NeuralPDE.jl#773 · 5 comments · Opened Nov 29, 2023
Importing NeuralPDE.jl before Interpolations.jl can lead to an error Open

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

SciML/NeuralPDE.jl#762 · Opened Oct 24, 2023
Improve documentation Open

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

SciML/NeuralPDE.jl#740 · Opened Sep 25, 2023

SciML/NeuralPDE.jl

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