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Progress In Electromagnetics Research
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OPTIMIZING THE COMPACT-FDTD ALGORITHM FOR ELECTRICALLY LARGE WAVEGUIDING STRUCTURES

By M. F. Hadi and S. F. Mahmoud

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Abstract:
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.

Citation: (See works that cites this article)
M. F. Hadi and S. F. Mahmoud, "Optimizing the compact-FDTD algorithm for electrically large waveguiding structures," Progress In Electromagnetics Research, Vol. 75, 253-269, 2007.
doi:10.2528/PIER07060703
http://www.jpier.org/pier/pier.php?paper=07060703

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