Adaptive multiscale model reduction with generalized multiscale finite element methods

E Chung, Y Efendiev, TY Hou - Journal of Computational Physics, 2016 - Elsevier
In this paper, we discuss a general multiscale model reduction framework based on
multiscale finite element methods. We give a brief overview of related multiscale methods …

Deep multiscale model learning

Y Wang, SW Cheung, ET Chung, Y Efendiev… - Journal of …, 2020 - Elsevier
The objective of this paper is to design novel multi-layer neural networks for multiscale
simulations of flows taking into account the observed fine data and physical modeling …

Efficient deep learning techniques for multiphase flow simulation in heterogeneous porousc media

Y Wang, G Lin - Journal of Computational Physics, 2020 - Elsevier
We present efficient deep learning techniques for approximating flow and transport
equations for both single phase and two-phase flow problems. The proposed methods take …

[图书][B] Multiscale Model Reduction

E Chung, Y Efendiev, TY Hou - 2023 - Springer
The mathematization of all sciences, the fading of traditional scientific boundaries, the
impact of computer technology, the growing importance of computer modeling and the …

Generalized multiscale finite element treatment of a heterogeneous nonlinear strain-limiting elastic model

M Vasilyeva, SM Mallikarjunaiah - Multiscale Modeling & Simulation, 2024 - SIAM
In this work, we consider a nonlinear strain-limiting elastic model in heterogeneous
domains. We investigate heterogeneous material with soft and stiff inclusions and …

Fast online generalized multiscale finite element method using constraint energy minimization

ET Chung, Y Efendiev, WT Leung - Journal of Computational Physics, 2018 - Elsevier
Local multiscale methods often construct multiscale basis functions in the offline stage
without taking into account input parameters, such as source terms, boundary conditions …

Multiscale solver for multi-component reaction–diffusion systems in heterogeneous media

M Vasilyeva, A Sadovski, D Palaniappan - Journal of Computational and …, 2023 - Elsevier
Coupled nonlinear system of reaction–diffusion equations describing multi-component
(species) interactions with heterogeneous coefficients is considered. Finite volume method …

[HTML][HTML] Generalized Multiscale Finite Element method for multicontinua unsaturated flow problems in fractured porous media

D Spiridonov, M Vasilyeva, ET Chung - Journal of Computational and …, 2020 - Elsevier
In this paper, we present a multiscale method for simulations of the multicontinua
unsaturated flow problems in heterogeneous fractured porous media. The mathematical …

[HTML][HTML] Multiscale model reduction for transport and flow problems in perforated domains

ET Chung, WT Leung, M Vasilyeva, Y Wang - Journal of Computational …, 2018 - Elsevier
Convection-dominated transport phenomenon is important for many applications. In these
applications, the transport velocity is often a solution of heterogeneous flow problems, which …

Reduced-order deep learning for flow dynamics. The interplay between deep learning and model reduction

M Wang, SW Cheung, WT Leung, ET Chung… - Journal of …, 2020 - Elsevier
In this paper, we investigate neural networks applied to multiscale simulations of porous
media flows and discuss a design of a novel deep neural network model reduction approach …