Uso das Técnicas para Meios Uniaxiais em Coordenadas Curvilíneas Gerais (Use of the Techniques for Uniaxial Medium in General Curvilinear Coordinates)

Adelson B. Medeiros (medeiros@ufpa.br), Vanilson G. Pereira (vgomes@ufpa.br), Brigida R.P. Rocha (brigida@ufpa.br)


Universidade Federal do Pará
This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2008
Volume: 6,   Issue: 5 
ISSN: 1548-0992


Abstract:
In this work, it was introduced some considerations about the formulation of the method to uniaxial medium and its implementation in the electromagnetic scattering and of problems in 2-D and 3-D. The methodology used was the technique LN-FDTD, developed to reduce the instability of the method. So that the characteristics of the electromagnetic structures of complex geometry (head), it can be explored.

Index Terms:
complex geometry, LN-FDTD, perfectly matched uniaxial medium (UPML), head, staircase, update of the fields, normalized fields covariant and contravariant.   


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