Reduced order models of refined Yee's cells

被引：28

作者：

Kulas, L ^{[1
]}

Mrozowski, M ^{[1
]}

机构：

[1] Gdansk Univ Technol, Dept Elect Telecommun & Informat, PL-80952 Gdansk, Poland

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2003年 / 13卷 / 04期

关键词：

FDFD; FDTD; model order reduction;

D O I：

10.1109/LMWC.2003.811068

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 [电气工程]; 0809 [电子科学与技术];

摘要：

This letter introduces a new approach to increasing the accuracy of Finite Difference (FD) methods by means of local mesh refinement. The area slightly larger than single Yee's cell is covered by dense mesh and its macromodel is created by the Model Order Reduction (MOR) of state equations in the frequency domain. Such macromodels are subsequently used in the Finite Difference Time Domain (FDTD) or the Finite Difference Frequency Domain (FDFD) analysis of the entire structure. Unlike a popular subgridding technique, the model order reduction approach does not affect the stability or convergence properties of underlying numerical schemes.

引用

页码：164 / 166

页数：3

共 10 条

[1]

S-domain methods for simultaneous time and frequency characterization of electromagnetic devices [J].

Bracken, JE ;

Su, DK ;

Cendes, ZJ .

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 1998, 46 (09) :1277-1290

[2]

Electromagnetic model order reduction for system-level modeling [J].

Cangellaris, AC ;

Celik, M ;

Pasha, S ;

Zhao, L .

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 1999, 47 (06) :840-850

[3]

Automatic generation of subdomain models in 2-D FDTD using reduced order modeling [J].

Denecker, B ;

Olyslager, F ;

Knockaert, L ;

De Zutter, D .

IEEE MICROWAVE AND GUIDED WAVE LETTERS, 2000, 10 (08) :301-303

[4]

Reduced-order models in FDTD [J].

Kulas, L ;

Mrozowski, M .

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 2001, 11 (10) :422-424

[5]

STABILITY CONDITION FOR THE EXPLICIT ALGORITHMS OF THE TIME-DOMAIN ANALYSIS OF MAXWELL EQUATIONS [J].

MROZOWSKI, M .

IEEE MICROWAVE AND GUIDED WAVE LETTERS, 1994, 4 (08) :279-281

[6]

Three-dimensional subgridding algorithm for FDTD [J].

Okoniewski, M ;

Okoniewska, E ;

Stuchly, MA .

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 1997, 45 (03) :422-429

[7]

A conductive wedge in Yee's mesh [J].

Przybyszewski, P ;

Mrozowski, M .

IEEE MICROWAVE AND GUIDED WAVE LETTERS, 1998, 8 (02) :66-68

[8]

Sheehan B. N., 1999, Proceedings 1999 Design Automation Conference (Cat. No. 99CH36361), P17, DOI 10.1109/DAC.1999.781223

[9]

Taflove A., 1995, COMPUTATIONAL ELECTR

[10]

Macro-elements for efficient FEM simulation of small geometric features in waveguide components [J].

Zhu, Y ;

Cangellaris, AC .

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 2000, 48 (12) :2254-2260

← 1 →