Adaptive absorbing boundary conditions in finite-difference time domain applications for EMC simulations

Author

Ramahi, Omar M. ; Archambeault, Bruce

Author_Institution

Digital Equipment Corp., Maynard, MA, USA

Volume

37

Issue

4

fYear

1995

fDate

11/1/1995 12:00:00 AM

Firstpage

580

Lastpage

583

Abstract

A special adaptation of the Liao´s (1984) absorbing boundary condition (ABC) is presented to optimize the solution of a class of EMI/EMC problems when using the finite-difference time domain (FDTD) method. The Liao ABC is constructed on a per-cell basis to accommodate the most likely direction of incidence on the mesh terminating boundary. Numerical results are presented to demonstrate the validity of the formulation and the improvements over traditional ABC applications

Keywords

boundary-value problems; digital simulation; electrical engineering; electrical engineering computing; electromagnetic compatibility; electromagnetic interference; electromagnetic wave absorption; finite difference time-domain analysis; simulation; EMC simulations; EMI/EMC problems; FDTD method; Liao´s absorbing boundary condition; adaptive absorbing boundary conditions; finite-difference time domain method; mesh terminating boundary; Animation; Apertures; Boundary conditions; Dynamic range; Electromagnetic compatibility; Electromagnetic radiation; Electromagnetic scattering; Finite difference methods; Geometry; Time domain analysis;

fLanguage

English

Journal_Title

Electromagnetic Compatibility, IEEE Transactions on

Publisher

ieee

ISSN

0018-9375

Type

jour

DOI

10.1109/15.477343

Filename

477343