Generation of 3-D finite-difference time-domain macromodels for faster simulation

被引：0
|
作者：
Gorodetsky, Dmitry A. [1 ]
Wilsey, Philip A. [1 ]
机构：
[1] Univ Cincinnati, Cincinnati, OH 45221 USA
来源：
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING | 2007年 / 17卷 / 03期
关键词：
FDTD methods; design automation; reduced order systems; matrix decomposition;
D O I：
10.1002/mmce.20227
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Computing time in finite-difference time-domain can be saved by expressing a portion of the grid (macromodel) as an linear time invariant (LTI) system. The output then becomes a convolution of the input with the LTI impulse response. To achieve a constant time for the convolution, the macromodel's response is expressed as a superposition of eigenmodal frequencies. That time is reduced by discarding nonessential eigenmodes. (C) 2007 Wiley Periodicals, Inc.
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页码：326 / 334
页数：9
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