IDRLnet, a Python toolbox for modeling and solving problems through Physics-Informed Neural Network (PINN) systematically.

Last update: Dec 17, 2022

Overview

IDRLnet

IDRLnet is a machine learning library on top of PyTorch. Use IDRLnet if you need a machine learning library that solves both forward and inverse differential equations via physics-informed neural networks (PINN). IDRLnet is a flexible framework inspired by Nvidia Simnet.

Docs

Full docs
Tutorial
Paper:
- IDRLnet: A Physics-Informed Neural Network Library. arXiv

Installation

Choose one of the following installation methods.

PyPI

Simple installation from PyPI.

pip install -U idrlnet

Note: To avoid version conflicts, please use some tools to create a virtual environment first.

Docker

Pull latest docker image from Dockerhub.

docker pull idrl/idrlnet:latest
docker run -it idrl/idrlnet:latest bash

Note: Available tags can be found in Dockerhub.

Anaconda

conda create -n idrlnet_dev python=3.8 -y
conda activate idrlnet_dev
pip install idrlnet

From Source

git clone https://github.com/idrl-lab/idrlnet
cd idrlnet
pip install -e .

Features

IDRLnet supports

complex domain geometries without mesh generation. Provided geometries include interval, triangle, rectangle, polygon, circle, sphere... Other geometries can be constructed using three boolean operations: union, difference, and intersection;
sampling in the interior of the defined geometry or on the boundary with given conditions.
enables the user code to be structured. Data sources, operations, constraints are all represented by Node. The graph will be automatically constructed via label symbols of each node. Getting rid of the explicit construction via explicit expressions, users model problems more naturally.
solving variational minimization problem;
solving integral differential equation;
adaptive resampling;
recover unknown parameters of PDEs from noisy measurement data.

It is also easy to customize IDRLnet to meet new demands.

Main Dependencies
- Matplotlib
- NumPy
- Sympy==1.5.1
- pytorch>=1.7.0

Contributing to IDRLnet

First off, thanks for taking the time to contribute!

Reporting bugs. To report a bug, simply open an issue in the GitHub "Issues" section.
Suggesting enhancements. To submit an enhancement suggestion for IDRLnet, including completely new features and minor improvements to existing functionality, let us know by opening an issue.
Pull requests. If you made improvements to IDRLnet, fixed a bug, or had a new example, feel free to send us a pull-request.
Asking questions. To get help on how to use IDRLnet or its functionalities, you can as well open an issue.
Answering questions. If you know the answer to any question in the "Issues", you are welcomed to answer.

The Team

IDRLnet was originally developed by IDRL lab.

Citation

Feel free to cite this library.

@article{peng2021idrlnet,
      title={IDRLnet: A Physics-Informed Neural Network Library}, 
      author={Wei Peng and Jun Zhang and Weien Zhou and Xiaoyu Zhao and Wen Yao and Xiaoqian Chen},
      year={2021},
      eprint={2107.04320},
      archivePrefix={arXiv},
      primaryClass={cs.LG}
}

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Comments

Do you plan to keep developing this library?

Hi,

I'm a SimNet user, and I'm very interested in IDRLNet since the API seems similar, while the backend is PyTorch. Do you plan to keep developing IDRLNet?

opened by AndreaPi 1
Feat: support DeepRitz

Weinan, E.; Yu, B. The Deep Ritz Method: A Deep Learning-Based Numerical Algorithm for Solving Variational Problems. Communications in Mathematics and Statistics 2018, 6 (1), 1–12.

opened by weipengOO98 0
GPU not available

Dear all, Thank you for this great contribution!

I installed the library according to the instructions, but I received this warning: [23-Sep-22 22:28:21] [INFO] GPU not available

Any suggestions on how to fix this?

opened by engsbk 0

IDRLnet, a Python toolbox for modeling and solving problems through Physics-Informed Neural Network (PINN) systematically.

Related tags

Overview

IDRLnet

Docs

Installation

PyPI

Docker

Anaconda

From Source

Features

Contributing to IDRLnet

The Team

Citation

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Comments

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GPU not available

Releases(v0.1.0)

v0.1.0(Aug 16, 2022)

v0.1.0-rc1(Aug 12, 2022)

v0.0.1(Jul 21, 2021)

v0.0.1-rc3(Jul 15, 2021)

v0.0.1-alpha(Jul 5, 2021)

Owner

IDRL

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