Journal of electromagnetic engineering and science

  • 제3권1호
  • /
  • Pages.39-44
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  • 2003
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  • 2671-7255(pISSN)
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  • 2671-7263(eISSN)
한국전자파학회 (The Korean Institute of Electromagnetic Engineering and Science)
권호 표지

Numerical Investigation of an Unconditionally Stable Compact 2D FDTD Based on the Alternating-Direction Implicit Scheme

  • Saehoon Ju (Department of Electrical and Computer Engineering, Hanyang University) ;
  • Jeongnam Cheon (Department of Electrical and Computer Engineering, Hanyang University) ;
  • Kim, Hyung-Hoon (Department of Computer Science, Kwangju Women′s University) ;
  • Kim, Hyeongdong (Department of Electrical and Computer Engineering, Hanyang University)
  • 발행 : 2003.05.01
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초록

An unconditionally stable compact 2D Alternating-Direction Implicit (ADI) FDTD method for calculating dispersion characteristics of waveguide structures is proposed. The numerical stability and numerical dispersion relation of the proposed method are also presented and discussed. Numerical wavelengths for the dominant and higher order modes in a hollow waveguide are obtained from numerical simulations and compared with those from the analytical dispersion relation. The numerical results show that the proposed scheme has the potential to successfully analyze a class of waveguides having locally fine geometry with reduced numerical costs.

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참고문헌

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