Excitation of a Wire in a Rectangular Cavity. Volume I. Theory.

Abstract

In this work, the problem of determining the currents excited on a wire enclosed within a rectangular cavity is considered. The wire and cavity interior are excited by electromagnetic sources exterior to the cavity which couple to the cavity interior through a small aperture in the cavity wall. It is assumed that the wire is thin, straight and oriented perpendicular to one of the cavity walls. An integral equation is formulated for the problem in the frequency domain using equivalent dipole moments to approximate the effects of the aperature. This integral equation is then solved numerically by the method of moments. The dyadic Green's functions for this problem are difficult to compute numerically; consequently, extensive numerical analysis is necessary to render the solution tractable. Sample numerical results are presented for representative configurations of cavity, wire and aperture, and suggestions for future extensions of this work are discussed. (Author)

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1978
Accession Number
ADA059812

Entities

People

  • D. B. Seidel

Organizations

  • University of Arizona

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Computational Science
  • Differential Equations
  • Dipole Moments
  • Electric Fields
  • Electrical Engineering
  • Electromagnetic Fields
  • Equations
  • Frequency
  • Geometry
  • Integral Equations
  • Magnetic Fields
  • Method Of Moments
  • New York
  • Plane Waves
  • Three Dimensional
  • Two Dimensional

Fields of Study

  • Mathematics
  • Physics

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Fluid Dynamics.
  • Structural Dynamics.