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Application of asymptotic waveform approximation technique to hybrid FE/BI method for 3D scattering

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Abstract

The asymptotic waveform evaluation (AWE) technique is a rational function approximation method in computational mathematics, which is used in many applications in computational electromagnetics. In this paper, the performance of the AWE technique in conjunction with hybrid finite element/boundary integral (FE/BI) method is firstly investigated. The formulation of the AWE applied in hybrid FE/BI method is given in detail. The characteristic implementation of the application of the AWE to the hybrid FE/BI method is discussed. Numerical results demonstrate that the AWE technique can greatly speed up the hybrid FE/BI method to acquire wide-band and wide-angle backscatter radar-cross-section (RCS) by complex targets.

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Authors and Affiliations

  1. Institute of Electronics, Chinese Academy of Sciences, Beijing, 100080, China

    Peng Zhen

  2. Department of Electronic Engineering, Beijing Institute of Technology, Beijing, 100081, China

    Peng Zhen & Sheng XinQing

  3. Graduated University of Chinese Academy of Sciences, Beijing, 100039, China

    Peng Zhen

Authors
  1. Peng Zhen
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  2. Sheng XinQing
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Correspondence to Peng Zhen.

Additional information

Supported by the National Natural Science Foundation of China (Grant No. 60371004), and the “973” Program (Grant No. 2005CB321702)

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Peng, Z., Sheng, X. Application of asymptotic waveform approximation technique to hybrid FE/BI method for 3D scattering. SCI CHINA SER F 50, 124–134 (2007). https://doi.org/10.1007/s11432-007-2019-9

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  • DOI: https://doi.org/10.1007/s11432-007-2019-9

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