Multi-time-step finite-difference time-domain method

被引：0
|
作者：
Zheng, Yang-Ming [1 ,2 ]
Chu, Qing-Xin [1 ]
机构：
[1] Coll. of Electron. and Info. Eng., South China Univ. of Technol., Guangzhou 510640, China
[2] Sch. of Electron. Eng., Xidian Univ., Xi'an 710071, China
来源：
Tien Tzu Hsueh Pao/Acta Electronica Sinica | 2004年 / 32卷 / 09期
关键词：
Computational complexity - Finite difference method - Low pass filters - Microstrip antennas - Numerical analysis - Time domain analysis;
D O I：
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中图分类号：
学科分类号：
摘要：
To keep the stability, the time step length of traditional equal-time-step non-uniform finite-difference time-domain (ETS-FDTD) method is determined by the minimized grid size, which results in a long computational time. A multi-time-step finite-difference time-domain (MTS-FDTD) method is presented, which uses different time step lengths in different grid regions to reduce computational time. Numerical results demonstrate that MTS-FDTD method reduces more than 42 percent of computational time than ETS-FDTD method.
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页码：1504 / 1506
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