Two-Level Overlapping Schwarz Preconditioners with Universal Coarse Spaces for th-Order Elliptic Problems

J Park - SIAM Journal on Scientific Computing, 2024 - SIAM
We propose a novel universal construction of two-level overlapping Schwarz
preconditioners for th-order elliptic boundary value problems, where is a positive integer …

A solution procedure to improve 3D solid finite element analysis with an enrichment scheme

HG Choi, YI Byun, CK Song, MBG Jun, C Lee, S Kim - Applied Sciences, 2023 - mdpi.com
This paper presents a novel and efficient solution procedure to improve 3D solid finite
element analysis with an enrichment scheme. To this end, we employ finite elements …

Preconditioning for finite element methods with strain smoothing

C Lee, J Park - Computers & Mathematics with Applications, 2023 - Elsevier
Strain smoothing methods such as the smoothed finite element methods (S-FEMs) and the
strain-smoothed element method (SSE) have successfully improved the convergence …

The edge smoothed finite element for multiscale homogenization

P Henyš, G Pokatilov - Engineering Analysis with Boundary Elements, 2023 - Elsevier
Computational homogenization provides an effective method for the design of material
microstructures and the exploration of new materials with superior performances …

Reduced Order Modeling for Direct Time-Response Analysis Using the Enhanced Craig–Bampton Method

SH Boo, C Hyun, S Kim, C Lee - Mathematics, 2025 - mdpi.com
The increasing demand for dynamic analysis of large-scale structural systems has
highlighted the need for efficient model reduction methods. Reduced order modeling allows …

The enriched 2D solid finite elements in geometric nonlinear analysis

HG Choi, C Lee, S Kim - Structural Engineering and Mechanics, 2024 - koreascience.kr
The primary strength of the enriched finite element method (enriched FEM) is its ability to
enhance solution accuracy without mesh refinement. It also allows for the selective …