Three-dimensional electromagnetic scattering analysis using constrained interpolation profile method

Jerdvisanop Chakarothai, Qiang Chen, Kunio Sawaya

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A characteristic-based constrained interpolation profile (CIP) method for solving three-dimensional, time-dependent Maxwell's equations is successfully developed. It is utilized to solve one-dimensional wave equations in the formulation of the Maxwell's equations. Calculation procedure of the CIP method for three-dimensional scattering analysis is described in details. Update equations for boundary conditions of a perfectly conducting (PEC) interface and a dielectric interface are formulated and obtained in explicit forms. Numerical analyses of electromagnetic scatterings of PEC sphere, dielectric sphere and PEC cube are performed and the scattering coefficient is calculated and compared with the Mie's analytic results. As a result, the scattering coefficients show good agreement with the Mie's results, which demonstrates the validity of the CIP method and the formulated update equations. It is also shown that the phase of the scattering coefficients determined, by the CIP method are slightly more accurate than that of the FDTD method.

Original languageEnglish
Pages (from-to)2619-2628
Number of pages10
JournalIEICE Transactions on Communications
VolumeE93-B
Issue number10
DOIs
Publication statusPublished - 2010 Oct

Keywords

  • CIP method
  • Electromagnetic scattering analysis
  • FDTD method
  • Mie
  • Scattering cross section

ASJC Scopus subject areas

  • Software
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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