Machine learning for modelling unstructured grid data in computational physics: a review

Fuente: arXiv
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Autores principales: Cheng, Sibo, Bocquet, Marc, Ding, Weiping, Finn, Tobias Sebastian, Fu, Rui, Fu, Jinlong, Guo, Yike, Johnson, Eleda, Li, Siyi, Liu, Che, Moro, Eric Newton, Pan, Jie, Piggott, Matthew, Quilodran, Cesar, Sharma, Prakhar, Wang, Kun, Xiao, Dunhui, Xue, Xiao, Zeng, Yong, Zhang, Mingrui, Zhou, Hao, Zhu, Kewei, Arcucci, Rossella
Formato: Preprint
Publicado: 2025
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author Cheng, Sibo
Bocquet, Marc
Ding, Weiping
Finn, Tobias Sebastian
Fu, Rui
Fu, Jinlong
Guo, Yike
Johnson, Eleda
Li, Siyi
Liu, Che
Moro, Eric Newton
Pan, Jie
Piggott, Matthew
Quilodran, Cesar
Sharma, Prakhar
Wang, Kun
Xiao, Dunhui
Xue, Xiao
Zeng, Yong
Zhang, Mingrui
Zhou, Hao
Zhu, Kewei
Arcucci, Rossella
author_facet Cheng, Sibo
Bocquet, Marc
Ding, Weiping
Finn, Tobias Sebastian
Fu, Rui
Fu, Jinlong
Guo, Yike
Johnson, Eleda
Li, Siyi
Liu, Che
Moro, Eric Newton
Pan, Jie
Piggott, Matthew
Quilodran, Cesar
Sharma, Prakhar
Wang, Kun
Xiao, Dunhui
Xue, Xiao
Zeng, Yong
Zhang, Mingrui
Zhou, Hao
Zhu, Kewei
Arcucci, Rossella
contents Unstructured grid data are essential for modelling complex geometries and dynamics in computational physics. Yet, their inherent irregularity presents significant challenges for conventional machine learning (ML) techniques. This paper provides a comprehensive review of advanced ML methodologies designed to handle unstructured grid data in high-dimensional dynamical systems. Key approaches discussed include graph neural networks, transformer models with spatial attention mechanisms, interpolation-integrated ML methods, and meshless techniques such as physics-informed neural networks. These methodologies have proven effective across diverse fields, including fluid dynamics and environmental simulations. This review is intended as a guidebook for computational scientists seeking to apply ML approaches to unstructured grid data in their domains, as well as for ML researchers looking to address challenges in computational physics. It places special focus on how ML methods can overcome the inherent limitations of traditional numerical techniques and, conversely, how insights from computational physics can inform ML development. To support benchmarking, this review also provides a summary of open-access datasets of unstructured grid data in computational physics. Finally, emerging directions such as generative models with unstructured data, reinforcement learning for mesh generation, and hybrid physics-data-driven paradigms are discussed to inspire future advancements in this evolving field.
format Preprint
id arxiv_https___arxiv_org_abs_2502_09346
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Machine learning for modelling unstructured grid data in computational physics: a review
Cheng, Sibo
Bocquet, Marc
Ding, Weiping
Finn, Tobias Sebastian
Fu, Rui
Fu, Jinlong
Guo, Yike
Johnson, Eleda
Li, Siyi
Liu, Che
Moro, Eric Newton
Pan, Jie
Piggott, Matthew
Quilodran, Cesar
Sharma, Prakhar
Wang, Kun
Xiao, Dunhui
Xue, Xiao
Zeng, Yong
Zhang, Mingrui
Zhou, Hao
Zhu, Kewei
Arcucci, Rossella
Machine Learning
Computational Engineering, Finance, and Science
Data Analysis, Statistics and Probability
Fluid Dynamics
Unstructured grid data are essential for modelling complex geometries and dynamics in computational physics. Yet, their inherent irregularity presents significant challenges for conventional machine learning (ML) techniques. This paper provides a comprehensive review of advanced ML methodologies designed to handle unstructured grid data in high-dimensional dynamical systems. Key approaches discussed include graph neural networks, transformer models with spatial attention mechanisms, interpolation-integrated ML methods, and meshless techniques such as physics-informed neural networks. These methodologies have proven effective across diverse fields, including fluid dynamics and environmental simulations. This review is intended as a guidebook for computational scientists seeking to apply ML approaches to unstructured grid data in their domains, as well as for ML researchers looking to address challenges in computational physics. It places special focus on how ML methods can overcome the inherent limitations of traditional numerical techniques and, conversely, how insights from computational physics can inform ML development. To support benchmarking, this review also provides a summary of open-access datasets of unstructured grid data in computational physics. Finally, emerging directions such as generative models with unstructured data, reinforcement learning for mesh generation, and hybrid physics-data-driven paradigms are discussed to inspire future advancements in this evolving field.
title Machine learning for modelling unstructured grid data in computational physics: a review
topic Machine Learning
Computational Engineering, Finance, and Science
Data Analysis, Statistics and Probability
Fluid Dynamics
url https://arxiv.org/abs/2502.09346