中文
相关论文

相关论文: PI-MFM: Physics-informed multimodal foundation mod…

200 篇论文

Modeling complex spatiotemporal dynamical systems, such as the reaction-diffusion processes, have largely relied on partial differential equations (PDEs). However, due to insufficient prior knowledge on some under-explored dynamical…

机器学习 · 计算机科学 2023-05-23 Chengping Rao , Pu Ren , Qi Wang , Oral Buyukozturk , Hao Sun , Yang Liu

Physics-informed machine learning typically integrates physical priors into the learning process by minimizing a loss function that includes both a data-driven term and a partial differential equation (PDE) regularization. Building on the…

机器学习 · 统计学 2025-09-23 Nathan Doumèche , Francis Bach , Gérard Biau , Claire Boyer

This paper proposes a new way to learn Physics-Informed Neural Network loss functions using Generalized Additive Models. We apply our method by meta-learning parametric partial differential equations, PDEs, on Burger's and 2D Heat…

机器学习 · 计算机科学 2024-12-03 Michail Koumpanakis , Ricardo Vilalta

We propose a physics-informed quantum algorithm to solve nonlinear and multidimensional differential equations (DEs) in a quantum latent space. We suggest a strategy for building quantum models as state overlaps, where exponentially large…

量子物理 · 物理学 2023-08-04 Annie E. Paine , Vincent E. Elfving , Oleksandr Kyriienko

This paper proposed a novel radial basis function neural network (RBFNN) to solve various partial differential equations (PDEs). In the proposed RBF neural networks, the physics-informed kernel functions (PIKFs), which are derived according…

数值分析 · 数学 2023-06-08 Zhuojia Fu , Wenzhi Xu , Shuainan Liu

The fast simulation of dynamical systems is a key challenge in many scientific and engineering applications, such as weather forecasting, disease control, and drug discovery. With the recent success of deep learning, there is increasing…

机器学习 · 计算机科学 2024-10-02 Zezheng Song , Jiaxin Yuan , Haizhao Yang

Deriving governing equations in Electromagnetic (EM) environment based on first principles can be quite tough when there are some unknown sources of noise and other uncertainties in the system. For nonlinear multiple-physics electromagnetic…

计算物理 · 物理学 2019-10-31 Bing Xiong , Haiyang Fu , Feng Xu , Yaqiu Jin

Many problems in science and engineering can be represented by a set of partial differential equations (PDEs) through mathematical modeling. Mechanism-based computation following PDEs has long been an essential paradigm for studying topics…

机器学习 · 计算机科学 2022-11-21 Shudong Huang , Wentao Feng , Chenwei Tang , Jiancheng Lv

We propose a Pretrained Finite Element Method (PFEM),a physics driven framework that bridges the efficiency of neural operator learning with the accuracy and robustness of classical finite element methods (FEM). PFEM consists of a physics…

Solving Partial Differential Equations (PDEs) is fundamental to numerous scientific and engineering disciplines. A common challenge arises from solving the PDE families, which are characterized by sharing an identical mathematical structure…

人工智能 · 计算机科学 2026-02-13 Yipeng Huang , Dejun Xu , Zexin Lin , Zhenzhong Wang , Min Jiang

Physics-informed neural networks (PINNs) are capable of finding the solution for a given boundary value problem. We employ several ideas from the finite element method (FEM) to enhance the performance of existing PINNs in engineering…

计算工程、金融与科学 · 计算机科学 2022-10-05 Shahed Rezaei , Ali Harandi , Ahmad Moeineddin , Bai-Xiang Xu , Stefanie Reese

Several forms for constructing novel physics-informed neural-networks (PINN) for the solution of partial-differential-algebraic equations based on derivative operator splitting are proposed, using the nonlinear Kirchhoff rod as a prototype…

数值分析 · 数学 2026-05-05 Loc Vu-Quoc , Alexander Humer

In this paper, we show a physics-informed neural network solver for the time-dependent surface PDEs. Unlike the traditional numerical solver, no extension of PDE and mesh on the surface is needed. We show a simplified prior estimate of the…

机器学习 · 计算机科学 2021-03-26 Zhiwei Fang , Justin Zhang , Xiu Yang

Quantum algorithms for partial differential equations (PDEs) face severe practical constraints on near-term hardware: limited qubit counts restrict spatial resolution to coarse grids, while circuit depth limitations prevent accurate…

机器学习 · 计算机科学 2025-12-08 Bruno Jacob , Amanda A. Howard , Panos Stinis

Physics-informed neural networks (PINNs) [31] use automatic differentiation to solve partial differential equations (PDEs) by penalizing the PDE in the loss function at a random set of points in the domain of interest. Here, we develop a…

神经与进化计算 · 计算机科学 2019-12-03 E. Kharazmi , Z. Zhang , G. E. Karniadakis

Partial differential equations (PDEs) govern physical phenomena across the full range of scientific scales, yet their computational solution remains one of the defining challenges of modern science. This critical review examines two mature…

机器学习 · 计算机科学 2026-03-10 Mohammad Nooraiepour , Jakub Wiktor Both , Teeratorn Kadeethum , Saeid Sadeghnejad

We introduce a novel grid-independent model for learning partial differential equations (PDEs) from noisy and partial observations on irregular spatiotemporal grids. We propose a space-time continuous latent neural PDE model with an…

机器学习 · 计算机科学 2023-10-27 Valerii Iakovlev , Markus Heinonen , Harri Lähdesmäki

Engineering components must meet increasing technological demands in ever shorter development cycles. To face these challenges, a holistic approach is essential that allows for the concurrent development of part design, material system and…

机器学习 · 计算机科学 2024-07-31 Tobias Würth , Niklas Freymuth , Clemens Zimmerling , Gerhard Neumann , Luise Kärger

We investigate the inverse problem for Partial Differential Equations (PDEs) in scenarios where the parameters of the given PDE dynamics may exhibit changepoints at random time. We employ Physics-Informed Neural Networks (PINNs) - universal…

机器学习 · 统计学 2024-04-03 Zhikang Dong , Pawel Polak

The numerical approximation of partial differential equations (PDEs) using neural networks has seen significant advancements through Physics-Informed Neural Networks (PINNs). Despite their straightforward optimization framework and…

机器学习 · 计算机科学 2025-03-19 Namgyu Kang , Jaemin Oh , Youngjoon Hong , Eunbyung Park