An efficient methodology for the modeling of electromagnetic wave phenomena in domains with moving boundaries

Johannes A. Russer, Andreas C. Cangellaris

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A computationally efficient methodology is proposed for the modeling of electromagnetic wave phenomena inside a domain with moving boundaries. The proposed methodology, which, for the purposes of this paper is implemented numerically using the Finite Difference Time Domain method, relies upon the definition of an equivalent electromagnetic boundary value problem over a domain with fixed boundaries but with its electromagnetic properties exhibiting time variation. In this manner, the numerical solution of the problem is performed on a time-invariant computational domain, eliminating the need for re-meshing to accommodate the deformation caused by the moving boundaries. The validity of the proposed method is demonstrated through its application to the modeling of the Doppler shift of the stop-band of a corrugated parallel-plate waveguide caused by the motion of the corrugated wall along the axis of the waveguide.

Original languageEnglish (US)
Title of host publication2008 IEEE MTT-S International Microwave Symposium Digest, MTT
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages157-160
Number of pages4
ISBN (Print)9781424417810
DOIs
StatePublished - Jan 1 2008
Event2008 IEEE MTT-S International Microwave Symposium Digest, MTT - Atlanta, GA, United States
Duration: Jun 15 2008Jun 20 2008

Publication series

NameIEEE MTT-S International Microwave Symposium Digest
ISSN (Print)0149-645X

Other

Other2008 IEEE MTT-S International Microwave Symposium Digest, MTT
Country/TerritoryUnited States
CityAtlanta, GA
Period6/15/086/20/08

Keywords

  • Electromagnetic analysis
  • FDTD
  • Modeling
  • Moving surface
  • Simulation

ASJC Scopus subject areas

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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