Staggered DG method for coupling of the Stokes and Darcy--Forchheimer problems

L Zhao, ET Chung, EJ Park, G Zhou - SIAM Journal on Numerical Analysis, 2021 - SIAM
In this paper we develop a staggered discontinuous Galerkin method for the Stokes and
Darcy--Forchheimer problems coupled with the Beavers--Joseph--Saffman conditions. The …

Staggered DG method with small edges for Darcy flows in fractured porous media

L Zhao, D Kim, EJ Park, E Chung - Journal of Scientific Computing, 2022 - Springer
In this paper, we present and analyze a staggered discontinuous Galerkin method for Darcy
flows in fractured porous media on fairly general meshes. A staggered discontinuous …

A half boundary method for two dimensional unsteady convection–diffusion equations

Y Zhao, M Huang, X Ouyang, J Luo, Y Shen… - Engineering Analysis with …, 2022 - Elsevier
Convection diffusion equation is widely applied in many fields of science and technology.
Many practical engineering problems can be expressed by this equation in unsteady state …

[HTML][HTML] Staggered discontinuous Galerkin methods for the Helmholtz equation with large wave number

L Zhao, EJ Park, ET Chung - Computers & Mathematics with Applications, 2020 - Elsevier
In this paper we investigate staggered discontinuous Galerkin method for the Helmholtz
equation with large wave number on general polygonal meshes. The method is highly …

Analysis of hybrid discontinuous Galerkin methods for linearized Navier–Stokes equations

D Shin, Y Jeon, EJ Park - Numerical Methods for Partial …, 2023 - Wiley Online Library
In this article, we introduce and analyze arbitrary‐order, locally conservative hybrid
discontinuous Galkerin methods for linearized Navier–Stokes equations. The unknowns of …

A posteriori error estimates for the mortar staggered DG method

L Zhao, E Chung - Communications on Analysis and Computation, 2024 - aimsciences.org
Residual-type error estimators in energy error for the mortar staggered discontinuous
Galerkin (DG) discretizations of second order elliptic equations were developed. The error …

Review and implementation of staggered DG methods on polygonal meshes

D Kim, L Zhao, EJ Park - Journal of the Korean Society for Industrial …, 2021 - koreascience.kr
In this paper, we review the lowest order staggered discontinuous Galerkin methods on
polygonal meshes in 2D. The proposed method offers many desirable features including …

Построение параллельного вычислительного алгоритма на основе разрывного метода Галеркина для решения задач конвективного теплообмена на …

РВ Жалнин, ВФ Масягин, ЕЕ Пескова - Журнал Средневолжского …, 2018 - mathnet.ru
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A posteriori error estimates for the mortar staggered DG method

L Zhao, E Chung - arxiv preprint arxiv:1908.03395, 2019 - arxiv.org
Two residual-type error estimators for the mortar staggered discontinuous Galerkin
discretizations of second order elliptic equations are developed. Both error estimators are …

[PDF][PDF] ФИЗИКО-МАТЕМАТИЧЕСКИЕ НАУКИ/PHYSICS AND MATHEMATICS

РВ Жалнин, ВФ Масягин, ЕЕ Пескова, ВФ Тишкин - 2021 - academia.edu
Results. The article presents a numerical algorithm and the results of modeling the dynamics
of the temperature fields in an oil reservoir with a hydraulic fracture and a vertical injection …