Time-Domain Analysis of Thin-Wire Structures Based on the Cagniard-DeHoop Method of Moments

Journal article (2022)

Authors

Martin Stumpf Brno University of Technology
I.E. Lager Electrical Engineering Education - EEMCS
Giulio Antonini University of L'Aquila
Research Group
Electrical Engineering Education (EEMCS) (TU Delft)
Copyright: © 2022 Martin Stumpf, I.E. Lager, Giulio Antonini
DOI: https://doi.org/10.1109/TAP.2022.3140782
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Published Date

2022

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Electrical Engineering Education

Abstract

Thin-wire structures in the presence or absence of a ground plane are analyzed numerically in the time domain (TD) with the aid of the Cagniard-DeHoop method of moments (CdH-MoM). It is demonstrated that the TD solution of such problems can be cast into the form of discrete time-convolution equations. Under the assumption of piecewise linear space-time axial current distribution, the elements of the TD impedance array are derived analytically in terms of elementary functions. Their approximations applying to multi-conductor transmission lines are discussed. Illustrative numerical examples validating the TD solution are presented.

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