Optimal design method for microwave device using time domain method and design sensitivity analysis. I. FETD case

Author

Chung, Young-Seek ; Ryu, Jechung ; Cheon, Changyul ; Park, Il-Han ; Hahn, Song-Yop

Author_Institution

Dept. of Electron., Seoul Univ., South Korea

Volume

37

Issue

5

fYear

2001

fDate

9/1/2001 12:00:00 AM

Firstpage

3289

Lastpage

3293

Abstract

In this paper, a new optimal shape design method for microwave passive devices for better performances in a broadband is proposed, which is based on vector finite element time domain (FETD) method and design sensitivity analysis (DSA). The design sensitivity is evaluated using an adjoint variable method. While the original field equation is an initial-value problem, the adjoint equation is an terminal-value problem. To transform the terminal-value problem into a initial-value problem, a backward time scheme is used. To verity its usefulness, a two-dimensional E-plane waveguide T-junction is analyzed

Keywords

finite element analysis; initial value problems; microwave devices; optimisation; sensitivity analysis; time-domain analysis; waveguide components; 2D E-plane waveguide T-junction; IVP; adjoint variable method; backward time scheme; broadband applications; design sensitivity analysis; finite element time domain method; initial-value problem; microwave passive devices; optimal shape design method; terminal-value problem; vector FETD case; Design methodology; Equations; Finite element methods; Microwave devices; Microwave theory and techniques; Optimization methods; Sensitivity analysis; Shape; Time domain analysis; Wideband;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.952597

Filename

952597