L-HYDRA: Multi-head physics-informed neural networks

Z Zou, GE Karniadakis - arXiv preprint arXiv:2301.02152, 2023 - arxiv.org
We introduce multi-head neural networks (MH-NNs) to physics-informed machine learning,
which is a type of neural networks (NNs) with all nonlinear hidden layers as the body and …

Physics-informed variational inference for uncertainty quantification of stochastic differential equations

H Shin, M Choi - Journal of Computational Physics, 2023 - Elsevier
We propose a physics-informed learning based on variational autoencoder (VAE) to solve
data-driven stochastic differential equations when the governing equation is known and a …

Physics-informed neural networks for system identification of structural systems with a multiphysics damping model

T Liu, H Meidani - Journal of Engineering Mechanics, 2023 - ascelibrary.org
Structural system identification is critical in resilience assessments and structural health
monitoring, especially following natural hazards. Among the nonlinear structural behaviors …

Random grid neural processes for parametric partial differential equations

A Vadeboncoeur, I Kazlauskaite… - International …, 2023 - proceedings.mlr.press
We introduce a new class of spatially stochastic physics and data informed deep latent
models for parametric partial differential equations (PDEs) which operate through scalable …

Hypersindy: Deep generative modeling of nonlinear stochastic governing equations

M Jacobs, BW Brunton, SL Brunton, JN Kutz… - arXiv preprint arXiv …, 2023 - arxiv.org
The discovery of governing differential equations from data is an open frontier in machine
learning. The sparse identification of nonlinear dynamics (SINDy)\citep …

[HTML][HTML] Fully probabilistic deep models for forward and inverse problems in parametric PDEs

A Vadeboncoeur, ÖD Akyildiz, I Kazlauskaite… - Journal of …, 2023 - Elsevier
We introduce a physics-driven deep latent variable model (PDDLVM) to learn
simultaneously parameter-to-solution (forward) and solution-to-parameter (inverse) maps of …

Variational autoencoders and transformers for multivariate time-series generative modeling and forecasting: Applications to vortex-induced vibrations

AP Mentzelopoulos, D Fan, TP Sapsis… - Ocean …, 2024 - Elsevier
This study employs a data-driven approach to studying physical system vibrations, focusing
on two main aspects: using variational autoencoders (VAEs) to generate physical data (ie …

Automatic boundary fitting framework of boundary dependent physics-informed neural network solving partial differential equation with complex boundary conditions

Y Xie, Y Ma, Y Wang - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
The physics-informed neural network (PINN) has received much attention in the field of
partial differential equation (PDE) solving due to its adaptability to different governing …

A hybrid physics-informed machine learning approach for time-dependent reliability assessment of electromagnetic relays

F Mei, H Chen, W Yang, G Zhai - Reliability Engineering & System Safety, 2024 - Elsevier
Electromagnetic relays (EMRs) are intricate micro-electromechanical systems characterized
by nonlinear behavior and coupling effects between electromagnetic and mechanical forces …

Physics informed neural network using finite difference method

KL Lim, R Dutta, M Rotaru - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
In recent engineering applications using deep learning, physics-informed neural network
(PINN) is a new development as it can exploit the underlying physics of engineering …