activity
20192022
most citedLocal Lagrangian reduced-order modeling for Rayleigh-Taylor instability by solution manifold decomposition

3 citations · 4 across the 5 of their papers we have counts for

collaborators

5 papers

math.NA20223 cited

Local Lagrangian reduced-order modeling for Rayleigh-Taylor instability by solution manifold decomposition

Siu Wun Cheung, Youngsoo Choi, Dylan Matthew Copeland +1

Rayleigh-Taylor instability is a classical hydrodynamic instability of great interest in various disciplines of science and engineering, including astrophyics, atmospheric sciences…

math.NA20211 cited

Online adaptive algorithm for Constraint Energy Minimizing Generalized Multiscale Discontinuous Galerkin Method

Sai-Mang Pun, Siu Wun Cheung

In this research, we propose an online basis enrichment strategy within the framework of a recently developed constraint energy minimizing generalized multiscale discontinuous Gale…

math.NA2020

Analysis of Non-local Multicontinuum Upscaling for Dual Continuum Model

Jingyan Zhang, Siu Wun Cheung

In this paper, we develop and analyze a rigorous multiscale upscaling method for dual continuum model, which serves as a powerful tool in subsurface formation applications. Our pro…

math.NA2020

Explicit and Energy-Conserving Constraint Energy Minimizing Generalized Multiscale Discontinuous Galerkin Method for Wave Propagation in Heterogeneous Media

Siu Wun Cheung, Eric T. Chung, Yalchin Efendiev +1

In this work, we propose a local multiscale model reduction approach for the time-domain scalar wave equation in a heterogenous media. A fine mesh is used to capture the heterogene…

math.NA2019

Constraint Energy Minimizing Generalized Multiscale Discontinuous Galerkin Method

Siu Wun Cheung, Eric T. Chung, Wing Tat Leung

Numerical simulation of flow problems and wave propagation in heterogeneous media has important applications in many engineering areas. However, numerical solutions on the fine gri…