Rapid spatio-temporal flood modelling via hydraulics-based graph neural networks

R Bentivoglio, E Isufi, SN Jonkman… - Hydrology and Earth …, 2023 - hess.copernicus.org
Numerical modelling is a reliable tool for flood simulations, but accurate solutions are
computationally expensive. In recent years, researchers have explored data-driven …

Artificial intelligence for geoscience: Progress, challenges and perspectives

T Zhao, S Wang, C Ouyang, M Chen, C Liu, J Zhang… - The Innovation, 2024 - cell.com
This paper explores the evolution of geoscientific inquiry, tracing the progression from
traditional physics-based models to modern data-driven approaches facilitated by significant …

Swarm reinforcement learning for adaptive mesh refinement

N Freymuth, P Dahlinger, T Würth… - Advances in …, 2024 - proceedings.neurips.cc
Abstract The Finite Element Method, an important technique in engineering, is aided by
Adaptive Mesh Refinement (AMR), which dynamically refines mesh regions to allow for a …

Deep learning-based surrogate models for parametrized PDEs: Handling geometric variability through graph neural networks

NR Franco, S Fresca, F Tombari… - … Interdisciplinary Journal of …, 2023 - pubs.aip.org
Mesh-based simulations play a key role when modeling complex physical systems that, in
many disciplines across science and engineering, require the solution to parametrized time …

Hamlet: Graph transformer neural operator for partial differential equations

A Bryutkin, J Huang, Z Deng, G Yang… - arXiv preprint arXiv …, 2024 - arxiv.org
We present a novel graph transformer framework, HAMLET, designed to address the
challenges in solving partial differential equations (PDEs) using neural networks. The …

From zero to turbulence: Generative modeling for 3d flow simulation

M Lienen, D Lüdke, J Hansen-Palmus… - arXiv preprint arXiv …, 2023 - arxiv.org
Simulations of turbulent flows in 3D are one of the most expensive simulations in
computational fluid dynamics (CFD). Many works have been written on surrogate models to …

[HTML][HTML] Physics-informed MeshGraphNets (PI-MGNs): Neural finite element solvers for non-stationary and nonlinear simulations on arbitrary meshes

T Würth, N Freymuth, C Zimmerling, G Neumann… - Computer Methods in …, 2024 - Elsevier
Engineering components must meet increasing technological demands in ever shorter
development cycles. To face these challenges, a holistic approach is essential that allows …

Predicting unsteady incompressible fluid dynamics with finite volume informed neural network

T Li, S Zou, X Chang, L Zhang, X Deng - Physics of Fluids, 2024 - pubs.aip.org
The rapid development of deep learning has significant implications for the advancement of
computational fluid dynamics. Currently, most pixel-grid-based deep learning methods for …

SineNet: Learning Temporal Dynamics in Time-Dependent Partial Differential Equations

X Zhang, J Helwig, Y Lin, Y Xie, C Fu… - arXiv preprint arXiv …, 2024 - arxiv.org
We consider using deep neural networks to solve time-dependent partial differential
equations (PDEs), where multi-scale processing is crucial for modeling complex, time …

Equivariant neural simulators for stochastic spatiotemporal dynamics

K Minartz, Y Poels, S Koop… - Advances in Neural …, 2024 - proceedings.neurips.cc
Neural networks are emerging as a tool for scalable data-driven simulation of high-
dimensional dynamical systems, especially in settings where numerical methods are …