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README.md
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---
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license: mit
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---
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# <img src=".\assets\logo.png" alt="Logo" width="55" style="vertical-align: middle;">GeoPT
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This repository contains the physics simulation data for the paper GeoPT: Scaling Physics Simulation via Lifted Geometric Pre-Training.
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GeoPT is a unified model pre-trained on large-scale geometric data for general physics simulation, unlocking a scalable path for neural simulation.
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<p align="center">
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<img src=".\assets\GeoPT.png" height = "120" alt="" align=center />
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<br><br>
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</p>
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## Overview
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GeoPT is evaluated on the following five simulation tasks.
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| Dataset | Mesh Size | Variable | Training | Test | Total Size | Source |
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| --------- | --------- | ------------------------------ | -------- | ---- | ---------- | ------------------------------------------------------------ |
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| DrivAerML | ~160M | Geometry | 100 | 20 | ~6TB | [Link][https://huggingface.co/datasets/neashton/drivaerml] |
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| NASA-CRM | ~450K | Geometry, Speed, AoA | 105 | 44 | ~3GB | [Link](https://drive.google.com/drive/folders/1KhoZiEHlZhGI8omMwHrp2mZRKGiSAydO) |
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| AirCraft | ~330K | Geometry, Speed, AoA, Sideslip | 100 | 50 | ~7GB | [Transolver++](https://arxiv.org/abs/2502.02414) |
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| DTCHull | ~240K | Geometry, Yaw Angle | 100 | 20 | ~2GB | GeoPT |
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| Car-Crash | ~1M | Impact Angle | 100 | 30 | ~8GB | GeoPT |
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## Load Data
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```python
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from datasets import load_dataset
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load_dataset("GeoPT/Downstream_Physics_Simulation") # for AirCraft, DTCHull, Car-Crash, Radiosity
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load_dataset("neashton/drivaerml") # for DrivAerML
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```
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NASA-CRM can be obtained from [Google Drive](https://drive.google.com/drive/folders/1KhoZiEHlZhGI8omMwHrp2mZRKGiSAydO).
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## Examples
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<p align="center">
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<img src=".\assets\examples.png" height = "140" alt="" align=center />
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<br><br>
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</p>
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## Citation
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If you find this repo useful, please cite our paper.
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```
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@article{wu2026GeoPT,
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title={GeoPT: Scaling Physics Simulation via Lifted Geometric Pre-Training},
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author={Haixu Wu, Minghao Guo, Zongyi Li, Zhiyang Dou, Mingsheng Long, Kaiming He, Wojciech Matusik},
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booktitle={arXiv preprint arXiv:},
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year={2026}
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}
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```
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## Contact
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If you have any questions or want to use the code, please contact Haixu Wu (wuhaixu98@gmail.com) and Minghao Guo (guomh2014@gmail.com).
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