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A computer program for waveguide analysis using high‐order, vector, finite elements
Author(s) -
Webb J. P.,
Forghani B.
Publication year - 1990
Publication title -
international journal of numerical modelling: electronic networks, devices and fields
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.249
H-Index - 30
eISSN - 1099-1204
pISSN - 0894-3370
DOI - 10.1002/jnm.1660030105
Subject(s) - eigenvalues and eigenvectors , waveguide , finite element method , computer program , conjugate gradient method , line (geometry) , mathematical analysis , mathematics , computer science , algorithm , optics , physics , geometry , engineering , structural engineering , quantum mechanics , operating system
A computer program has been written for the analysis and design of arbitrarily shaped waveguides, containing dielectric and magnetic materials. The program calculates the propagating modes of the waveguide by the three‐component vector finite element method. High accuracy is achieved by the use of high‐order elements, and by the inclusion of singular trial functions near sharp metal edges. An efficient algorithm based on the conjugate gradient method is used to solve the algebraic eigenvalue problem. Results are given for rib waveguide and fin‐line.