MODIFIED BERENGER PML ABSORBING BOUNDARY-CONDITION FOR FD-TD MESHES

被引：76

作者：

CHEN, B

FANG, DG

ZHOU, BH

机构：

[1] Nanjing University of Science and Technology

[2] Nanjing Institute of Technology

来源：

IEEE MICROWAVE AND GUIDED WAVE LETTERS | 1995年 / 5卷 / 11期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1109/75.473529

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：

A new modified, perfectly matched layer absorbing boundary condition (MPML ABC) is presented. In the MPML, the introducing of extra degrees of freedom provides the possibility of adjusting the parameters of nonphysical material absorber (PML) for the purpose of enhancing the attenuation rate of the evanescent modes. Compared to Berenger PML, the MPML is more efficient in absorbing the evanescent energy and keeps the same performance for propagation modes. The sophisticated properties of MPML ABC result in the reduction of the thickness of the matched layers and their closer allocation, leading to better accuracy simulations and less computer burdens in FD-TD modeling.

引用

页码：399 / 401

页数：3

共 4 条

[1] Berenger J.P., A perfectly matched layer for the absorption of electromagnetic waves, J. Comput. Phys., pp. 185-200, (1994)
[2] Katz D.S., Thiele E.T., Taflove A., Validation and extension to three dimensional of the Berenger PML absorbing boundary Condition for FD-TD meshes, IEEE Microwave and Guided Wave Lett., 4, pp. 268-270, (1994)
[3] Reuter C.E., Joseph R.M., Thiele E.T., Katz D.S., Taflove T., Ultrawideband absorbing boundary condition for termination of waveguide structures in FD-TD simulations, IEEE Microwave and Guided Wave Lett., 4, pp. 344-346, (1994)
[4] Harms P.H., Mittra R., Ko W.L., Implementation of the Floquet boundary condition in FD-TD for FSS analysis, notes of a series of lectures given by R. Mittra in Beijing, (1993)

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