Electromagnetic System Trade--Offs and Data Base Management for Advanced Composite Aircraft Study. Composite Coupling Analysis.

Abstract

The problem of electromagnetic interference which couples to the interior of composite material shell enclosures is studied. Interference sources considered are a distant nuclear electromagnetic pulse, near-strike lightning, and direct-strike lightning. The electromagnetic properties of the composite material shell wall are simplified by assuming a constant bulk conductivity sigma. Several models for the coupling mechanism are analyzed including integral equation formulations, exact series solutions, and a diffusion coupling model. Several computer programs are presented to determine the interior fields over a large range of frequencies when the shell is modeled as an infinitely long two-dimensional cylinder of arbitrary cross section. A user-oriented interactive computer program is also described which is used to determine the response of circuits situated inside the shell. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1981
Accession Number
ADA097741

Entities

People

  • D. Auckland
  • R. Wallenberg

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Aircrafts
  • Bessel Functions
  • Composite Aircraft
  • Composite Materials
  • Computational Science
  • Computer Programs
  • Computer-Aided Design
  • Databases
  • Electromagnetic Fields
  • Electromagnetic Scattering
  • Geometry
  • Magnetic Fields
  • Near Field
  • Plastic Explosives
  • Sequences
  • Tank Guns
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Computer Science.
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Structural Dynamics.