Linear solvers for reservoir simulation problems: An overview and recent developments

S Nardean, M Ferronato, A Abushaikha - Archives of Computational …, 2022 - Springer
Linear solvers for reservoir simulation applications are the objective of this review.
Specifically, we focus on techniques for Fully Implicit (FI) solution methods, in which the set …

A robust two-level overlap** preconditioner for Darcy flow in high-contrast media

C Ye, S Fu, ET Chung, J Huang - SIAM Journal on Scientific Computing, 2024 - SIAM
In this article, a two-level overlap** domain decomposition preconditioner is developed for
solving linear algebraic systems obtained from simulating Darcy flow in high-contrast media …

An efficient multiscale multigrid preconditioner for Darcy flow in high-contrast media

C Ye, S Fu, ET Chung, J Huang - arxiv preprint arxiv:2403.19342, 2024 - arxiv.org
In this paper, we develop a multigrid preconditioner to solve Darcy flow in highly
heterogeneous porous media. The key component of the preconditioner is to construct a …

An adaptive two-grid preconditioner for flow in fractured porous media

M Vasilyeva, BS Southworth, S Fu - arxiv preprint arxiv:2411.17903, 2024 - arxiv.org
We consider a numerical solution of the mixed dimensional discrete fracture model with
highly conductive fractures. We construct an unstructured mesh that resolves lower …

A highly parallelized multiscale preconditioner for Darcy flow in high-contrast media

C Ye, S Fu, ET Chung, J Huang - Journal of Computational Physics, 2025 - Elsevier
In this paper, we develop a highly parallelized preconditioner based on multiscale space to
tackle Darcy flow in highly heterogeneous porous media. The crucial component of this …

An Efficient Multiscale Preconditioner for Large-Scale Highly Heterogeneous Flow

S Fu, E Chung, L Zhao - SIAM Journal on Scientific Computing, 2024 - SIAM
We propose an efficient and robust multiscale preconditioner for large-scale incompressible
flow in highly heterogeneous porous media. We start from the discretization of the first-order …

An Adaptive Preconditioner for Three-Dimensional Single-Phase Compressible Flow in Highly Heterogeneous Porous Media

S Fu, E Chung, L Zhao - Multiscale Modeling & Simulation, 2024 - SIAM
In this paper, we study two-grid preconditioners for three-dimensional single-phase
nonlinear compressible flow in highly heterogeneous porous media arising from reservoir …

An Adaptive Generalized Multiscale Finite Element Method Based Two-Grid Preconditioner for Large Scale High-Contrast Linear Elasticity Problems

Y Yang, S Fu, ET Chung - Journal of Scientific Computing, 2022 - Springer
In this paper, we propose an efficient and robust two-grid preconditioner for the linear
elasticity equation with high contrasts. To tackle the challenges imposed by multiple scales …

On adaptive BDDC for the flow in heterogeneous porous media

B Sousedík - Applications of Mathematics, 2019 - Springer
We study a method based on Balancing Domain Decomposition by Constraints (BDDC) for
numerical solution of a single-phase flow in heterogeneous porous media. The method …

Preconditioning for Lagrange Multipliers-Based Reservoir Flow Simulation

S Nardean - 2022 - search.proquest.com
Being able to reproduce the complex flow dynamics that take place in the subsurface is a
key requirement for efficient hydrocarbon recovery and other field operations, including …