Weak baselines and reporting biases lead to overoptimism in machine learning for fluid-related partial differential equations

N McGreivy, A Hakim - Nature Machine Intelligence, 2024 - nature.com
One of the most promising applications of machine learning in computational physics is to
accelerate the solution of partial differential equations (PDEs). The key objective of machine …

A physics-informed diffusion model for high-fidelity flow field reconstruction

D Shu, Z Li, AB Farimani - Journal of Computational Physics, 2023 - Elsevier
Abstract Machine learning models are gaining increasing popularity in the domain of fluid
dynamics for their potential to accelerate the production of high-fidelity computational fluid …

Artificial intelligence for science in quantum, atomistic, and continuum systems

X Zhang, L Wang, J Helwig, Y Luo, C Fu, Y **e… - arxiv preprint arxiv …, 2023 - arxiv.org
Advances in artificial intelligence (AI) are fueling a new paradigm of discoveries in natural
sciences. Today, AI has started to advance natural sciences by improving, accelerating, and …

Clifford neural layers for pde modeling

J Brandstetter, R Berg, M Welling, JK Gupta - arxiv preprint arxiv …, 2022 - arxiv.org
Partial differential equations (PDEs) see widespread use in sciences and engineering to
describe simulation of physical processes as scalar and vector fields interacting and …

Towards multi-spatiotemporal-scale generalized pde modeling

JK Gupta, J Brandstetter - arxiv preprint arxiv:2209.15616, 2022 - arxiv.org
Partial differential equations (PDEs) are central to describing complex physical system
simulations. Their expensive solution techniques have led to an increased interest in deep …

Multiscale meshgraphnets

M Fortunato, T Pfaff, P Wirnsberger, A Pritzel… - arxiv preprint arxiv …, 2022 - arxiv.org
In recent years, there has been a growing interest in using machine learning to overcome
the high cost of numerical simulation, with some learned models achieving impressive …

A posteriori learning for quasi‐geostrophic turbulence parametrization

H Frezat, J Le Sommer, R Fablet… - Journal of Advances …, 2022 - Wiley Online Library
The use of machine learning to build subgrid parametrizations for climate models is
receiving growing attention. State‐of‐the‐art strategies address the problem as a supervised …

Bubbleml: A multiphase multiphysics dataset and benchmarks for machine learning

SMS Hassan, A Feeney, A Dhruv… - Advances in …, 2024 - proceedings.neurips.cc
In the field of phase change phenomena, the lack of accessible and diverse datasets
suitable for machine learning (ML) training poses a significant challenge. Existing …

Fluid simulation on neural flow maps

Y Deng, HX Yu, D Zhang, J Wu, B Zhu - ACM Transactions on Graphics …, 2023 - dl.acm.org
We introduce Neural Flow Maps, a novel simulation method bridging the emerging
paradigm of implicit neural representations with fluid simulation based on the theory of flow …

Learned turbulence modelling with differentiable fluid solvers: physics-based loss functions and optimisation horizons

B List, LW Chen, N Thuerey - Journal of Fluid Mechanics, 2022 - cambridge.org
In this paper, we train turbulence models based on convolutional neural networks. These
learned turbulence models improve under-resolved low-resolution solutions to the …