1990
DOI: 10.1109/22.46425
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Computation of cutoff wavenumbers of TE and TM modes in waveguides of arbitrary cross sections using a surface integral formulation

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Cited by 84 publications
(47 citation statements)
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“…Clearly, as the mesh is refined, the accuracy of multi-domain GDQ results is improved. From the convergence trend, it is believed that the multidomain GDQ results with a mesh size of 9 × 9 are more accurate than the results of SIE [2], FD-CGM [3], and FD-SIC [4]. It was found that the calculated cutoff wavenumbers of T M 5 and T M 6 modes by the FD-CGM are not close to any of our results for the modes from T M 1 to T M 10 .…”
Section: -Shaped Waveguidementioning
confidence: 63%
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“…Clearly, as the mesh is refined, the accuracy of multi-domain GDQ results is improved. From the convergence trend, it is believed that the multidomain GDQ results with a mesh size of 9 × 9 are more accurate than the results of SIE [2], FD-CGM [3], and FD-SIC [4]. It was found that the calculated cutoff wavenumbers of T M 5 and T M 6 modes by the FD-CGM are not close to any of our results for the modes from T M 1 to T M 10 .…”
Section: -Shaped Waveguidementioning
confidence: 63%
“…The early work has been summarized in [1]. More recently, the same problems have been studied by Swaminathan et al [2] using the surface integral equation method, Sarkar et al [3], Guan and Su [4] using the finite difference method.…”
Section: Introductionmentioning
confidence: 92%
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“…En la tabla 2.9 se muestran los números de onda de corte para los 4 primeros modos TE y TM, y se comparan con los valores calculados en la literatura mediante dos formulaciones diferentes del método de los momentos [128], [129]. Los resultados que proporciona nuestra implementación del método BI-RME en sólo 0,96 segundos se han obtenido con 175 modos en la caja rectangular, lo que ha dado lugar a un total de 40 segmentos en el conjunto de los tres tramos rectos que forman el contorno σ de la ridge.…”
Section: Resultsunclassified
“…However, it may be of interest to apply them to closed waveguides, since as it has been shown before, the internal resonances of the characteristic modes predict the transverse resonances of the PEC cylinder, i.e., internal NRs. And because the waveguides can also be designed considering the MoM [105,109,110], and the TMC is built based on it, it could be useful to design closed waveguides by using the TCM.…”
Section: Open Question: Propagation and Tcmmentioning
confidence: 99%