Efficient Cartesian-grid-based modeling of rotationally symmetric bodies

Dzmitry Shyroki

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Axially symmetric waveguides, resonators, and scatterers of arbitrary cross section and anisotropy in the cross section can be modeled rigorously with use of 2-D Cartesian-grid based codes by means of mere redefinition of material permittivity and permeability profiles. The method is illustrated by the frequencydomain simulations of resonant modes in a circular-cylinder cavity with perfectly conducting walls, a shielded uniaxial anisotropic dielectric cylinder, and an open dielectric sphere for which, after proper implementation of the perfectly matched layer boundary conditions, the radiation quality factor is also determined.
Original languageEnglish
JournalI E E E Transactions on Microwave Theory and Techniques
Issue number6
Pages (from-to)1132-1138
Publication statusPublished - 2007

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