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《Acta Electronica Sinica》 2006-09
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An Unconditionally Stable Precise Integration Time Domain Method for Solving Maxwell's Equations

ZHAO Xin-tai,MA Xi-kui(School of Electrical Engineering,Xi'an Jiaotong University,Xi'an,Shanxi 710049,China)  
This paper presents a time domain semi-analysis method based on the precise integration(PI) technique for solving Maxwell's curl equations.Due to the introduction of the PI technique,the time domain method can not only eliminate the limitation of the stability condition for the time step size t,but also make the numerical dispersion being independent of t.The finite difference schemes of the precise integration time domain(PITD) method are deduced in computational domain and on absorbing boundary,respectively,and the time domain recursion scheme is also deduced.Moreover,the resolving scheme of the invertible matrix problem involving the time domain iteration is presented.Practical calculation is carried out,and the results are compared with the ones of the analysis solution and finite difference time domain method.The results show that the PITD method is free from the restriction of the Courant-Frendrich-Levy stability condition.At the same time,the larger time step size will not deteriorate the numerical dispersion.
【CateGory Index】: TM15
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【Co-references】
Chinese Journal Full-text Database 3 Hits
1 HUANG Bin ke JIANG Yan sheng WANG Wen bing (Institute of Microwave and Optical Communication, Xi′an Jiaotong University, Xi′an Shanxi 710049, China);Two-dimensional unconditionally stable FDTD method[J];Chinese Journal of Radio Science;2003-05
2 SONG Hang1, CHEN Jie2, LIU Ying-gang3 (1.School of Information Engineering, PLA University of Information Engineering, Zhengzhou 450002, China; 2. School of Software, Beijing University of Science and Technology, Beijing 100081, China; 3. PLA 61773 Unit, Wulumuqi 831400, China);Analysis of Shielding Effectiveness in Double Layer Rectangular Enclosure with Aperture by Higher-order Mode Transmission Line Method[J];High Voltage Engineering;2009-04
3 WANG Liu-ping,GAO You-gang(Beijing University of Posts and Telecommunications,P.O.Box 171,Beijing 100876,China);Shielding effectiveness of PCB loaded rectangular cavity with aperture arrays to front rising electromagnetic pulse[J];High Power Laser and Particle Beams;2008-01
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