Frequency dispersive materials for 3-D hybrid solvers in time domain

被引：11
|
作者：
Edelvik, F
Strand, B
机构：
[1] Uppsala Univ, Div Comp Sci, SE-75105 Uppsala, Sweden
[2] Uppsala Univ, Dept Informat Technol, Div Comp Sci, SE-75105 Uppsala, Sweden
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2003年 / 51卷 / 06期
关键词：
finite difference time domain (FDTD) methods; finite element methods; finite volume methods; recursive convolution techniques; stability analysis;
D O I：
10.1109/TAP.2002.802098
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The recursive convolution method to treat linear dispersive materials in the finite difference time domain (FDTD) is here generalized to an explicit finite volume solver and an implicit finite element solver. Both solvers are interfaced to FDTD resulting in two hybrid solvers. The stability of the solvers is analyzed and the accuracy is demonstrated in several scattering cases, where a plane wave illuminates a sphere with complex permittivity. Excellent agreement with the analytical Mie series solution is obtained for materials of Debye and Lorentz type as well as for a material consisting of two Lorentz poles.
引用
收藏
页码：1199 / 1205
页数：7
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