OPTIMIZING THE COMPACT-FDTD ALGORITHM FOR ELECTRICALLY LARGE WAVEGUIDING STRUCTURES | Zendy

Mohammed F. Hadi | Zendy; Samir F. Mahmoud | Zendy

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OPTIMIZING THE COMPACT-FDTD ALGORITHM FOR ELECTRICALLY LARGE WAVEGUIDING STRUCTURES

Author(s) -

Mohammed F. Hadi,

Samir F. Mahmoud

Publication year - 2007

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier07060703

Subject(s) - finite difference time domain method , materials science , computer science , optics , algorithm , physics

—This work investigates the unique numerical dispersion behavior of the Compact-FDTD method for waveguide analysis, especially when the waveguide dimensions are much larger than the operating wavelength as in high-frequency EMC analysis or radio-wave propagation in tunnels. The divergence of this dispersion behavior from the standard FDTD algorithm is quantified and a major source of dispersion error is isolated and effectively eliminated. Optimized modeling parameters in terms of appropriate spatial and temporal resolutions are generated for computationally efficient and error-free numerical simulations of electrically large waveguiding structures.

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