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Waves in Random and Complex Media Volume 21, 2011 - Issue 2
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Original Articles

Analysis of scattering by conducting objects covered with arbitrarily magnetised plasma using finite element-boundary integral-fast multipole algorithm

Z.-W. Cui School of Science, Xidian University, No. 2 South Taibai Road, Xi’an 710071, Shaanxi Province, P.R. ChinaCorrespondence[email protected]
,
Y.-P. Han School of Science, Xidian University, No. 2 South Taibai Road, Xi’an 710071, Shaanxi Province, P.R. China
,
M.-L. Li School of Science, Xidian University, No. 2 South Taibai Road, Xi’an 710071, Shaanxi Province, P.R. China
&
W.-J. Zhao School of Science, Xidian University, No. 2 South Taibai Road, Xi’an 710071, Shaanxi Province, P.R. China
Pages 220-230 | Received 25 May 2010, Accepted 09 Nov 2010, Published online: 10 Mar 2011
 
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Abstract

The electromagnetic (EM) scattering by conducting objects covered with arbitrarily magnetised plasma is computed using the hybrid vector finite element-boundary integral-fast multipole method (FE-BI-FMM). The relative permittivity tensor of arbitrarily magnetised plasma is described. The FE-BI-FMM formulation for scattering by three-dimensional (3D) conducting objects covered with arbitrarily magnetised plasma is derived in detail. The validity of FE-BI-FMM is verified by comparing numerical results with analytical values. The radar cross-sections (RCS) of conducting objects covered with magnetised plasmas are simulated and the effects of plasma parameters on RCS are analysed. Numerical results indicate that magnetised plasma cover layer is effective on reducing the back scattering if appropriate parameters of plasma are chosen.

Acknowledgement

This work was supported by the National Natural Science Foundation of China (Grant No. 60771039)

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