Analysis of connected structures using equivalence principle algorithm with source reconstruction method

Hanru Shao and Jun Hu

Journal of Electromagnetic Waves and Applications, 2016, vol. 30, issue 13, 1740-1754

Abstract: A new domain decomposition scheme based on equivalence principle algorithm (EPA) is proposed for analyzing electromagnetic scattering from connected structures. The EPA transforms the unknown of inside scatterers to the unknown on the equivalence surfaces which enclose the scatterers. The challenge arises when the equivalence surface intercepts the connected scatterers, because the current will be singular at the connection that is hard to model. In this paper, a new scheme based on source reconstruction method (SRM) is introduced to deal with the connected problems. This scheme can avoid the current singularity and keep the good convergence of EPA equations. Furthermore, generalized EPA (GEPA) is proposed to improve the theory of EPA and the ability to solve real life problems. Numerical results demonstrate the accuracy and efficiency of the proposed method.

Date: 2016
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DOI: 10.1080/09205071.2016.1213187

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