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Solving time-dependent Partial Differential Equations (PDEs) using a densely discretized spatial domain is a fundamental problem in various scientific and engineering disciplines, including modeling climate phenomena and fluid dynamics.…

机器学习 · 计算机科学 2025-10-24 Jan Hagnberger , Daniel Musekamp , Mathias Niepert

Physics-informed neural networks (PINNs) have lately received significant attention as a representative deep learning-based technique for solving partial differential equations (PDEs). Most fully connected network-based PINNs use automatic…

机器学习 · 计算机科学 2024-09-30 Zixue Xiang , Wei Peng , Wen Yao

The physics informed neural network (PINN) is a promising method for solving time-evolution partial differential equations (PDEs). However, the standard PINN method may fail to solve the PDEs with strongly nonlinear characteristics or those…

数值分析 · 数学 2023-06-08 Jiawei Guo , Yanzhong Yao , Han Wang , Tongxiang Gu

Convolutional neural operator is a CNN-based architecture recently proposed to enforce structure-preserving continuous-discrete equivalence and enable the genuine, alias-free learning of solution operators of PDEs. This neural operator was…

机器学习 · 计算机科学 2025-12-23 Peng Fan , Guofei Pang

Neural network-based solvers for partial differential equations (PDEs) have attracted considerable attention, yet they often face challenges in accuracy and computational efficiency. In this work, we focus on time-dependent PDEs and observe…

数值分析 · 数学 2025-09-30 Guihong Wang , Zheng-An Chen , Tao Luo

Neural ordinary differential equations (NODEs), one of the most influential works of the differential equation-based deep learning, are to continuously generalize residual networks and opened a new field. They are currently utilized for…

We introduce Neural Parameter Regression (NPR), a novel framework specifically developed for learning solution operators in Partial Differential Equations (PDEs). Tailored for operator learning, this approach surpasses traditional DeepONets…

机器学习 · 计算机科学 2024-03-20 Konrad Mundinger , Max Zimmer , Sebastian Pokutta

Data-driven methods have recently made great progress in the discovery of partial differential equations (PDEs) from spatial-temporal data. However, several challenges remain to be solved, including sparse noisy data, incomplete candidate…

计算物理 · 物理学 2021-09-28 Hao Xu , Dongxiao Zhang , Junsheng Zeng

Neural operators are a popular technique in scientific machine learning to learn a mathematical model of the behavior of unknown physical systems from data. Neural operators are especially useful to learn solution operators associated with…

数值分析 · 数学 2022-08-05 Nicolas Boullé , Seick Kim , Tianyi Shi , Alex Townsend

Deep neural networks (DNNs) have been widely used to solve partial differential equations (PDEs) in recent years. In this work, a novel deep learning-based framework named Particle Weak-form based Neural Networks (ParticleWNN) is developed…

机器学习 · 计算机科学 2023-11-14 Yaohua Zang , Gang Bao

Time-dependent Partial Differential Equations with given initial conditions are considered in this paper. New differentiation techniques of the unknown solution with respect to time variable are proposed. It is shown that the proposed…

数值分析 · 数学 2022-10-24 Marat S. Mukhametzhanov

We propose a neural network-based meta-learning method to efficiently solve partial differential equation (PDE) problems. The proposed method is designed to meta-learn how to solve a wide variety of PDE problems, and uses the knowledge for…

机器学习 · 统计学 2023-10-23 Tomoharu Iwata , Yusuke Tanaka , Naonori Ueda

This paper introduces a new Convolutional Neural Network (ConvNet) architecture inspired by a class of partial differential equations (PDEs) called quasi-linear hyperbolic systems. With comparable performance on the image classification…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Yao Liu , Hang Shao , Bing Bai

Machine learning methods have been lately used to solve partial differential equations (PDEs) and dynamical systems. These approaches have been developed into a novel research field known as scientific machine learning in which techniques…

机器学习 · 计算机科学 2022-12-12 Junho Choi , Namjung Kim , Youngjoon Hong

Physics-informed Neural Networks (PINNs) have been shown as a promising approach for solving both forward and inverse problems of partial differential equations (PDEs). Meanwhile, the neural operator approach, including methods such as Deep…

机器学习 · 计算机科学 2023-10-31 Bin Lin , Zhiping Mao , Zhicheng Wang , George Em Karniadakis

We present Mechanistic PDE Networks -- a model for discovery of governing partial differential equations from data. Mechanistic PDE Networks represent spatiotemporal data as space-time dependent linear partial differential equations in…

机器学习 · 计算机科学 2025-06-12 Adeel Pervez , Efstratios Gavves , Francesco Locatello

We present a new scientific machine learning method that learns from data a computationally inexpensive surrogate model for predicting the evolution of a system governed by a time-dependent nonlinear partial differential equation (PDE), an…

数值分析 · 数学 2022-02-28 Elizabeth Qian , Ionut-Gabriel Farcas , Karen Willcox

Learning the solution of partial differential equations (PDEs) with a neural network is an attractive alternative to traditional solvers due to its elegance, greater flexibility and the ease of incorporating observed data. However, training…

机器学习 · 计算机科学 2024-07-18 Katsiaryna Haitsiukevich , Alexander Ilin

This work addresses the development of a physics-informed neural network (PINN) with a loss term derived from a discretized time-dependent reduced-order system. In this work, first, the governing equations are discretized using a finite…

数值分析 · 数学 2024-01-30 Rahul Halder , Giovanni Stabile , Gianluigi Rozza

In recent years, there has been a growing interest in leveraging deep learning and neural networks to address scientific problems, particularly in solving partial differential equations (PDEs). However, many neural network-based methods…

机器学习 · 计算机科学 2024-04-24 Adrian Celaya , Keegan Kirk , David Fuentes , Beatrice Riviere