Solution of Maxwell's Equations Using the Time Domain Method of Moments

Abstract

New algorithms for the time domain analysis of electromagnetic waves in shielded structures are presented. Electromagnetic fields inside a structure under investigation are expanded into series of basis functions and the expansion coefficients are found by means of the Method of Moments. Numerical cost of algorithms and their stability is discussed and cost efficient hybrid approach combining the new technique with a classical FDTD algorithms is proposed. Numerical tests are showing that significant speed up can be obtained for structures with homogeneous regions. A very fast, low return loss absorbing boundary condition (ABC) is proposed which accounts for the highly dispersive character of the structure. A very good performance of the ABC is demonstrated. Electromagnetic fields, Numerical methods.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
May 10, 1994
Accession Number
ADA280144

Entities

People

  • Michal Mrozowski

Tags

Communities of Interest

  • Advanced Electronics
  • Human Systems

DTIC Thesaurus Topics

  • Algorithms
  • Boundaries
  • Cavity Resonators
  • Coefficients
  • Computer Programs
  • Computers
  • Costs
  • Electromagnetic Fields
  • Equations
  • Finite Difference Time Domain
  • Functional Analysis
  • Method Of Moments
  • Personality
  • Stability Conditions
  • Time Domain
  • Transmission Lines
  • Waveguides

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Plasma Physics.