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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2015-06-24
One-Step Leapfrog HIE-FDTD Method for Lossy Media
By
Jian-Yun Gao,

    Dr. Jian-Yun Gao

    Department of Basic Courses

    Tianjin Vocational Institute

    China

    Homepage

Xiang-Hua Wang,

    Prof. Xiang-Hua Wang

    Institute of Antenna and Microwave Techniques

    Tianjin University of Technology and Education

    China

    Homepage

Hong-Xing Zheng

    Prof. Hong-Xing Zheng

    School of Electronics Engineering

    Tianjin University of Technology and Education

    P. R. China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 54, 21-26, 2015
doi:10.2528/PIERL15051102 | Google Scholar

Abstract
The one-step leapfrog hybrid implicit-explicit finite-difference time-domain (HIE-FDTD) method for lossy media is presented. By adopting the Crank-Nicolson and Peaceman-Rachford schemes, the derived method involves calculations of the lossy terms at two different time steps. Different from the original HIEFDTD method, the proposed method can also be considered as a second order perturbation of the conventional FDTD method. To verify the effectiveness of the proposed method, numerical experiments are performed by using different FDTD methods. It is shown that the proposed method can be more efficient than the conventional HIE-FDTD method with almost the same accuracy.
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Citation
Jian-Yun Gao, Xiang-Hua Wang, and Hong-Xing Zheng, "One-Step Leapfrog HIE-FDTD Method for Lossy Media," Progress In Electromagnetics Research Letters, Vol. 54, 21-26, 2015.
doi:10.2528/PIERL15051102
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