A Hybrid FDFD-BIE Approach to Two-Dimensional Scattering from an Inhomogeneous Biisotropic Cylinder

Abstract

The scattering problem for an inhomogeneous two-dimensional biisotropic cylinder is solved in the frequency-domain by means of a hybrid method, in which finite difference equations in the interior region are combined with a mesh truncation in terms of a boundary integral equation. Numerical results for the bistatic echo widths are presented and compared with a reference solutions in the circular cylinder cases and it is found that the method yields more accurate results than what can be achieved with a local absorbing boundary condition.

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Document Details

Document Type
Technical Report
Publication Date
Sep 29, 2000
Accession Number
ADP011648

Entities

People

  • M. Norgren

Organizations

  • Royal Institute of Technology

Tags

DTIC Thesaurus Topics

  • Boundaries
  • Contour Integrals
  • Current Density
  • Difference Equations
  • Differential Equations
  • Electromagnetism
  • Electronic Mail
  • Equations
  • Finite Element Analysis
  • Geometry
  • Integral Equations
  • Integrals
  • Partial Differential Equations
  • Regions
  • Scattering
  • Technical Information Centers
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)