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A Stable FDTD Subgridding Method for Thin PEC Sheet Structure Modeling

delete2025-08-04
delete0
PRE
AI
L
Langran Deng
王
王宇晖 (Yuhui Wang)
H
Hanhong Liu
W
Weibo Wu
X
Xinyue Zhang
张
张兴奇 (Xingqi Zhang)
J
Jian Wang
Y
Youguang Zhang
Z
Zhizhang Chen
S
Shunchuan Yang
DOI：10.1109/LMWT.2025.3593359delete
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Abstract

Abstract

En 中文
A finite-difference time-domain (FDTD) subgridding method is developed to efficiently and accurately model thin perfect electric conductor (PEC) sheets. By analyzing two integral loops split by thin sheet structures on the surface of a Yee’s cell, coupling operators at the interface of coarse and subgridding meshes are carefully designed to preserve field continuity and ensure numerical stability. A numerical example is performed to validate the proposed method in terms of stability, accuracy, and efficiency.
Keywords:
Finite-difference time-domain (FDTD)
stable
subgridding
thin sheet

Journal

I
IEEE Microwave and Wireless Technology Letters
IF:
3.4
Papers:
690
Citations:
1.6K

Organization

B
Beihang University
Scholars:
5.2W
Papers: 4.1W
Citations: 37
U
university of alberta
Scholars:
5.1W
Papers: 4.9W
Citations: 65
D
Dalhousie University
Scholars:
2.0W
Papers: 1.8W
Citations: 2.3W
U
university college dublin
Scholars:
2.6W
Papers: 2.2W
Citations: 22
N
Ningbo University
Scholars:
2.6W
Papers: 1.8W
Citations: 2.4W
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