A new algorithm for analysing lumped parameter elements within the 3-D FDTD method

Author

Chen, Qiang ; Fusco, V.F.

Author_Institution

High Frequency Electronics Laboratory, Department of Electrical and Electronic Eng., The Queen´´s University of Belfast, Ashby Building, Stranmillis Road, Belfast, BT9 5AH, N.Ireland, United Kingdom. Tel: +44 (0)1232 245133 Ext 4087, Fax: +44 (0)1232 6670

Volume

1

fYear

1995

fDate

4-4 Sept. 1995

Firstpage

410

Lastpage

413

Abstract

A new method of including linear and nonlinear lumped elements within the three-dimensional finite-difference time-domain (FDTD) algorithm is presented. Unlike previous approaches, the method can accurately analyze lumped elements of any physical size (i.e. elements can occupy more than one cell). Instead of using a discretized conduction current term in Maxwell equations to represent lumped element behaviour the media parameters associated with those grids occupied by the lumped element is changed according to the functional current-voltage equation that governs the lumped element behaviour. Compared with previously published material the method reported here is stable, and is simple to implement. Numerical agreement is obtained when compared with MDS simulation results.

Keywords

Algorithm design and analysis; Conducting materials; Finite difference methods; Lattices; Maxwell equations; Microstrip; Nonlinear equations; Slotline; Time domain analysis; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference, 1995. 25th European

Conference_Location

Bologna, Italy

Type

conf

DOI

10.1109/EUMA.1995.336991

Filename

4137204