We present in this paper an efficient finite element analysis for different types of waveguides . The computations are performed with “edge elements” . These finite elements avoid all the “spurious modes”, the non‐physical numerical fields obtained from the solution of eigenvalue problems with classical finite elements formulations.Both dielectric‐loaded waveguides and ridged waveguides (waveguides with sharp edges) are analyzed. Comparisons of our results with previously published ones show theaccuracy of the numerical technique.
PICHON, L., BOURHATTAS, A. and RAZEK, A. (1992), "AN EFFICIENT SOLUTION FOR DIELECTRIC‐LOADED OR RIDGED WAVEGUIDES PROBLEMS", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 11 No. 1, pp. 17-20. https://doi.org/10.1108/eb051741
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