The Electrostatic Field of Conducting Bodies in Multiple Dielectric Media

Sadasiva M. Rao, Tapan K. Sarkar, Roger F. Harrington

Research output: Contribution to journalArticle

92 Scopus citations

Abstract

A method for computing the electrostatic fields and the capacitance matrix for a multiconductor system in a multiple dielectric region is presented. The number of distinct conductors and the number of dielectrics in this analysis are arbitrary. Some of the conductors may be of finite volume and others may be infinitesimally thin. The conductors can be either above a single ground plane or between two parallel ground planes. The formulation is obtained by using a free-space Green’s function in conjunction with total charge on the conductor-to-dielectric interfaces and polarization charge on the dielectric-to-dielectric interfaces. The solution is effected by the method of moments using triangular subdomains with piecewise constant expansion functions and point matching for testing. Computed results are given for some finite-length conducting lines, compared to previous results obtained by two-dimensional analysis.

Original languageEnglish (US)
Pages (from-to)1441-1448
Number of pages8
JournalIEEE Transactions on Microwave Theory and Techniques
Volume32
Issue number11
DOIs
StatePublished - Nov 1984

ASJC Scopus subject areas

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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