A review and assessment of importance sampling methods for reliability analysis

A Tabandeh, G Jia, P Gardoni - Structural Safety, 2022 - Elsevier
This paper reviews the mathematical foundation of the importance sampling technique and
discusses two general classes of methods to construct the importance sampling density (or …

DAS-PINNs: A deep adaptive sampling method for solving high-dimensional partial differential equations

K Tang, X Wan, C Yang - Journal of Computational Physics, 2023 - Elsevier
In this work we propose a deep adaptive sampling (DAS-PINNs) method for solving partial
differential equations (PDEs), where deep neural networks are utilized to approximate the …

Adaptive deep density approximation for Fokker-Planck equations

K Tang, X Wan, Q Liao - Journal of Computational Physics, 2022 - Elsevier
In this paper we present an adaptive deep density approximation strategy based on KRnet
(ADDA-KR) for solving the steady-state Fokker-Planck (FP) equations. FP equations are …

Reaction coordinate flows for model reduction of molecular kinetics

H Wu, F Noé - The Journal of Chemical Physics, 2024 - pubs.aip.org
In this work, we introduce a flow based machine learning approach called reaction
coordinate (RC) flow for the discovery of low-dimensional kinetic models of molecular …

Solving time dependent Fokker-Planck equations via temporal normalizing flow

X Feng, L Zeng, T Zhou - arxiv preprint arxiv:2112.14012, 2021 - arxiv.org
In this work, we propose an adaptive learning approach based on temporal normalizing
flows for solving time-dependent Fokker-Planck (TFP) equations. It is well known that …

Bayesian multiscale deep generative model for the solution of high-dimensional inverse problems

Y **a, N Zabaras - Journal of Computational Physics, 2022 - Elsevier
Estimation of spatially-varying parameters for computationally expensive forward models
governed by partial differential equations (PDEs) is addressed. A novel multiscale Bayesian …

Moving sampling physics-informed neural networks induced by moving mesh PDE

Y Yang, Q Yang, Y Deng, Q He - Neural Networks, 2024 - Elsevier
In this work, we propose an end-to-end adaptive sampling framework based on deep neural
networks and the moving mesh method (MMPDE-Net), which can adaptively generate new …

[PDF][PDF] DAS: A deep adaptive sampling method for solving partial differential equations

K Tang, X Wan, C Yang - arxiv preprint arxiv:2112.14038, 2021 - researchgate.net
In this work we propose a deep adaptive sampling (DAS) method for solving partial
differential equations (PDEs), where deep neural networks are utilized to approximate the …

Deep adaptive sampling for surrogate modeling without labeled data

X Wang, K Tang, J Zhai, X Wan, C Yang - Journal of Scientific Computing, 2024 - Springer
Surrogate modeling is of great practical significance for parametric differential equation
systems. In contrast to classical numerical methods, using physics-informed deep learning …

Adaptive deep density approximation for stochastic dynamical systems

J He, Q Liao, X Wan - Journal of Scientific Computing, 2025 - Springer
In this paper we consider adaptive deep neural network approximation for stochastic
dynamical systems. Based on the continuity equation associated with the stochastic …