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相关论文: Physics and geometry informed neural operator netw…

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While deep learning has shown tremendous success in a wide range of domains, it remains a grand challenge to incorporate physical principles in a systematic manner to the design, training, and inference of such models. In this paper, we aim…

计算物理 · 物理学 2020-06-16 Rui Wang , Karthik Kashinath , Mustafa Mustafa , Adrian Albert , Rose Yu

This paper describes a study based on computational fluid dynamics (CFD) and deep neural networks that focusing on predicting the flow field in differently distorted U-shaped pipes. The main motivation of this work was to get an insight…

机器学习 · 计算机科学 2020-10-02 Gergely Hajgató , Bálint Gyires-Tóth , György Paál

Coherent imaging through scatter is a challenging task in computational imaging. Both model-based and data-driven approaches have been explored to solve the inverse scattering problem. In our previous work, we have shown that a deep…

光学 · 物理学 2021-02-03 Yuzhe Li , Shiyi Cheng , Yujia Xue , Lei Tian

Deep neural networks are a powerful technique that have found ample applications in several branches of Physics. In this work, we apply machine learning algorithms to a specific problem of Cosmic Ray Physics: the estimation of the muon…

天体物理仪器与方法 · 物理学 2019-04-10 A. Guillen , A. Bueno , J. M. Carceller , J. C. Martinez-Velazquez , G. Rubio , C. J. Todero Peixoto , P. Sanchez-Lucas

Three-dimensional target identification using scattering techniques requires high accuracy solutions and very fast computations for real-time predictions in some critical applications. We first train a deep neural operator~(DeepONet) to…

Neural operators learn to map initial conditions to the terminal solution of partial differential equations (PDEs), providing a surrogate for the full operator mapping. This enables rapid prediction across different input configurations.…

机器学习 · 计算机科学 2026-05-14 Runlong Xie , An Luo

This paper introduces for the first time, to our knowledge, a framework for physics-informed neural networks in power system applications. Exploiting the underlying physical laws governing power systems, and inspired by recent developments…

系统与控制 · 电气工程与系统科学 2020-01-30 George S. Misyris , Andreas Venzke , Spyros Chatzivasileiadis

We address the challenge of sound propagation simulations in 3D virtual rooms with moving sources, which have applications in virtual/augmented reality, game audio, and spatial computing. Solutions to the wave equation can describe wave…

Machine learning (ML) and deep learning (DL) techniques have gained significant attention as reduced order models (ROMs) to computationally expensive structural analysis methods, such as finite element analysis (FEA). Graph neural network…

机器学习 · 计算机科学 2023-09-25 Yuecheng Cai , Jasmin Jelovica

Graph Neural Networks (GNN) can capture the geometric properties of neural representations in EEG data. Here we utilise those to study how reinforcement-based motor learning affects neural activity patterns during motor planning, leveraging…

机器学习 · 计算机科学 2024-11-01 Federico Nardi , Jinpei Han , Shlomi Haar , A. Aldo Faisal

We develop a data-driven deep neural operator framework to approximate multiple output states for a diesel engine and generate real-time predictions with reasonable accuracy. As emission norms become more stringent, the need for fast and…

信号处理 · 电气工程与系统科学 2025-01-16 Varun Kumar , Somdatta Goswami , Daniel J. Smith , George Em Karniadakis

The application of deep learning methods to speed up the resolution of challenging power flow problems has recently shown very encouraging results. However, power system dynamics are not snap-shot, steady-state operations. These dynamics…

机器学习 · 计算机科学 2022-06-22 Mostafa Mohammadian , Kyri Baker , Ferdinando Fioretto

Physics-Informed Neural Operators provide efficient, high-fidelity simulations for systems governed by partial differential equations (PDEs). However, most existing studies focus only on multi-scale, multi-physics systems within a single…

机器学习 · 计算机科学 2025-07-08 Weidong Wu , Yong Zhang , Lili Hao , Yang Chen , Xiaoyan Sun , Dunwei Gong

Deep Neural Networks (DNNs) are generated by sequentially performing linear and non-linear processes. Using a combination of linear and non-linear procedures is critical for generating a sufficiently deep feature space. The majority of…

计算机视觉与模式识别 · 计算机科学 2022-07-29 Yufei Hu , Nacim Belkhir , Jesus Angulo , Angela Yao , Gianni Franchi

We introduce a deep learning approach for analyzing the scattering function of the polydisperse hard spheres system. We use a variational autoencoder-based neural network to learn the bidirectional mapping between the scattering function…

软凝聚态物质 · 物理学 2025-08-18 Lijie Ding , Changwoo Do

Fast, geometry-generalizing surrogates for unsteady flow remain challenging. We present a time-dependent, geometry-aware Deep Operator Network that predicts velocity fields for moderate-Re flows around parametric and non-parametric shapes.…

流体动力学 · 物理学 2025-12-05 Ali Rabeh , Suresh Murugaiyan , Adarsh Krishnamurthy , Baskar Ganapathysubramanian

Geological carbon sequestration (GCS) involves injecting CO$_2$ into subsurface geological formations for permanent storage. Numerical simulations could guide decisions in GCS projects by predicting CO$_2$ migration pathways and the…

机器学习 · 计算机科学 2024-09-26 Jonathan E. Lee , Min Zhu , Ziqiao Xi , Kun Wang , Yanhua O. Yuan , Lu Lu

Human pose estimation using deep neural networks aims to map input images with large variations into multiple body keypoints which must satisfy a set of geometric constraints and inter-dependency imposed by the human body model. This is a…

计算机视觉与模式识别 · 计算机科学 2017-08-11 Guanghan Ning , Zhi Zhang , Zhihai He

Fourier neural operators (FNOs) can learn highly nonlinear mappings between function spaces, and have recently become a popular tool for learning responses of complex physical systems. However, to achieve good accuracy and efficiency, FNOs…

机器学习 · 计算机科学 2023-10-31 Ning Liu , Siavash Jafarzadeh , Yue Yu

Neural networks have emerged as a tool for solving differential equations in many branches of engineering and science. But their progress in frequency domain acoustics is limited by the vanishing gradient problem that occurs at higher…

计算工程、金融与科学 · 计算机科学 2024-05-09 D. Veerababu , Prasanta K. Ghosh