Numerical Modelling of Electromagnetic Wave Propagation and Scattering: High-Order Schemes, Impedance Boundary Conditions and Cole-Cole Dielectrics

Abstract

Paper #1 was listed in the report for Grant F49620-99-1-0072 as "to appear" and the work presented there was described previously. In paper #2 we presented an analysis of the perfectly matched layer in cylindrical coordinates discretized with a staggered second-order accurate finite difference time domain method. In paper #3 we conclusively addressed the long-standing issue of the long-time stability of the unsplit Perfectly Matched Layer. In paper #4 we examine the short- and long-time response of a Cole-Cole dielectric half-space subjected to a delta-function incident pulse. We find that the Cole-Cole impulse response is infinitely smooth at the wavefront (short-time) in contrast to the case of the Debye impulse response that is discontinuous at the wavefront.

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Document Details

Document Type
Technical Report
Publication Date
Sep 12, 2004
Accession Number
ADA434568

Entities

People

  • Peter G. Petropoulos

Organizations

  • New Jersey Institute of Technology

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Air Force Research Laboratories
  • Boundaries
  • Computational Science
  • Delta Functions
  • Dielectrics
  • Differential Equations
  • Electric Fields
  • Electromagnetic Fields
  • Electromagnetic Scattering
  • Electromagnetic Wave Propagation
  • Equations
  • Finite Difference Time Domain
  • Magnetic Fields
  • Mathematics
  • Time Domain
  • Time-Domain Reflectometry
  • Wave Propagation

Fields of Study

  • Physics

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Computational Fluid Dynamics (CFD)
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering

Technology Areas

  • Space