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This paper presents a neural network approach for solving two-dimensional optical tomography (OT) problems based on the radiative transfer equation. The mathematical problem of OT is to recover the optical properties of an object based on…

计算物理 · 物理学 2019-10-14 Yuwei Fan , Lexing Ying

Machine learning, especially deep learning is gaining much attention due to the breakthrough performance in various cognitive applications. Recently, neural networks (NN) have been intensively explored to model partial differential…

机器学习 · 计算机科学 2022-02-28 Lesley Tan , Liang Chen

Multiscale modeling is an effective approach for investigating multiphysics systems with largely disparate size features, where models with different resolutions or heterogeneous descriptions are coupled together for predicting the system's…

计算工程、金融与科学 · 计算机科学 2022-12-07 Minglang Yin , Enrui Zhang , Yue Yu , George Em Karniadakis

Partial differential equations (PDEs) underlie our understanding and prediction of natural phenomena across numerous fields, including physics, engineering, and finance. However, solving parametric PDEs is a complex task that necessitates…

数值分析 · 数学 2025-02-20 Jae Yong Lee , Seungchan Ko , Youngjoon Hong

We present a novel framework combining Deep Operator Networks (DeepONets) with Physics-Informed Neural Networks (PINNs) to solve partial differential equations (PDEs) and estimate their unknown parameters. By integrating data-driven…

机器学习 · 计算机科学 2025-08-05 Amogh Raj , Carol Eunice Gudumotou , Sakol Bun , Keerthana Srinivasa , Arash Sarshar

Deep Operator Networks (DeepONets) have become a central tool in data-driven operator learning, providing flexible surrogates for nonlinear mappings arising in partial differential equations (PDEs). However, the standard trunk design based…

机器学习 · 计算机科学 2025-12-11 Muhammad Abid , Omer San

This study presents a deep learning based methodology for both remote sensing and design of acoustic scatterers. The ability to determine the shape of a scatterer, either in the context of material design or sensing, plays a critical role…

计算物理 · 物理学 2023-06-30 Siddharth Nair , Timothy F. Walsh , Greg Pickrell , Fabio Semperlotti

We present a hybrid approach combining isogeometric analysis with deep operator networks to solve electromagnetic scattering problems. The neural network takes a computer-aided design representation as input and predicts the electromagnetic…

计算工程、金融与科学 · 计算机科学 2024-11-19 Merle Backmeyer , Stefan Kurz , Matthias Möller , Sebastian Schöps

Accurate modeling of fluid dynamics around complex geometries is critical for applications such as aerodynamic optimization and biomedical device design. While advancements in numerical methods and high-performance computing have improved…

机器学习 · 计算机科学 2025-03-24 Ali Rabeh , Adarsh Krishnamurthy , Baskar Ganapathysubramanian

This paper introduces a hybrid computational framework for the multi-frequency inverse source problem governed by the Helmholtz equation. By integrating a classical Fourier method with a deep convolutional neural network, we address the…

偏微分方程分析 · 数学 2026-01-05 Hao Chen , Yan Chang , Yukun Guo , Yuliang Wang

In recent times machine learning methods have made significant advances in becoming a useful tool for analyzing physical systems. A particularly active area in this theme has been "physics-informed machine learning" which focuses on using…

机器学习 · 计算机科学 2024-12-05 Pulkit Gopalani , Sayar Karmakar , Dibyakanti Kumar , Anirbit Mukherjee

Phase-field modeling is an effective but computationally expensive method for capturing the mesoscale morphological and microstructure evolution in materials. Hence, fast and generalizable surrogate models are needed to alleviate the cost…

Recently deep learning surrogates and neural operators have shown promise in solving partial differential equations (PDEs). However, they often require a large amount of training data and are limited to bounded domains. In this work, we…

机器学习 · 计算机科学 2023-08-25 Zhiwei Fang , Sifan Wang , Paris Perdikaris

The deep operator networks (DeepONet), a class of neural operators that learn mappings between function spaces, have recently been developed as surrogate models for parametric partial differential equations (PDEs). In this work we propose a…

机器学习 · 计算机科学 2024-10-31 Yuan Qiu , Nolan Bridges , Peng Chen

In this paper, we evaluate the effectiveness of deep operator networks (DeepONets) in solving both forward and inverse problems of partial differential equations (PDEs) on unknown manifolds. By unknown manifolds, we identify the manifold by…

数值分析 · 数学 2024-07-09 Anran Jiao , Qile Yan , Jhn Harlim , Lu Lu

We present a neural operator framework for solving inverse scattering problems. A neural operator produces a preliminary indicator function for the scatterer, which, after appropriate rescaling, is used as a regularization parameter within…

数值分析 · 数学 2026-03-02 Victor Chenu , Houssem Haddar , Hadrien Montanelli

A new data-driven method for operator learning of stochastic differential equations(SDE) is proposed in this paper. The central goal is to solve forward and inverse stochastic problems more effectively using limited data. Deep operator…

机器学习 · 统计学 2022-04-08 Jiahao Zhang , Shiqi Zhang , Guang Lin

Deep Operator Networks (DeepONets) have emerged as a powerful surrogate modeling framework for learning solution operators in PDE-governed systems. While their use is expanding across engineering disciplines, applications in geotechnical…

机器学习 · 计算机科学 2026-03-11 Yongjin Choi , Chenying Liu , Jorge Macedo

Transcranial ultrasound therapy is increasingly used for the non-invasive treatment of brain disorders. However, conventional numerical wave solvers are currently too computationally expensive to be used online during treatments to predict…

计算物理 · 物理学 2021-06-21 Antonio Stanziola , Simon R. Arridge , Ben T. Cox , Bradley E. Treeby

Neural operators have become increasingly popular in solving \textit{partial differential equations} (PDEs) due to their superior capability to capture intricate mappings between function spaces over complex domains. However, the…

机器学习 · 计算机科学 2026-03-02 Jianing Huang , Kaixuan Zhang , Youjia Wu , Ze Cheng