A Numerical Analysis of Conformal Energy Selective Surface Array with Synthetic Functions Expansion

Authors

  • Ning Hu Information Engineering University, Zhengzhou 450001, China
  • Yanlin Xu College of Electronic Science of National University of Defense Technology, Changsha 410073, China
  • Peiguo Liu College of Electronic Science of National University of Defense Technology, Changsha 410073, China

DOI:

https://doi.org/10.13052/2024.ACES.J.390204

Keywords:

Energy selective surface (ESS), large-scale arrays, metasurface, method of moment (MoM), synthetic functions expansion (SFX)

Abstract

Energy selective surface (ESS) is a special kind of metasurface with great potential in high-power microwave protection. In this paper, the electromagnetic (EM) properties of an ESS array are analyzed with synthetic functions expansion (SFX) method. A cylindrical conformal ESS array based on an I-shape element is designed for demonstration. The Bistatic RCS as well as electric field distribution of the ESS array is calculated with SFX and traditional full-wave numerical methods. The results show that SFX exhibits great advantages in memory cost while maintaining the same level of accuracy and efficiency with the multi-layer fast multipole method (MLFMM). Besides, the EM performance of the designed ESS is calculated with an array with finite elements and unit cell with periodic boundaries, respectively. The results show a good agreement. The proposed method can also be applied to the analysis of other kinds of metasurfaces whose elements share similar geometries with periodic or quasi-periodic arrangement. Especially for large-scale arrays, this method could well overcome the difficulty of balancing accuracy, efficiency, and resource consumption.

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Author Biographies

Ning Hu, Information Engineering University, Zhengzhou 450001, China

Ning Hu received the B.S. degree in electronic engineering and the M.S. degree in electronic science and technology from National University of Defense Technology (NUDT), Changsha, Hunan, P. R. China, in 2017 and 2019, respectively. And he received the Ph.D. degree in information and communication engineering from NUDT in 2023. His research interests include electromagnetic compatibility and protection, metamaterials and antennas.

Yanlin Xu, College of Electronic Science of National University of Defense Technology, Changsha 410073, China

Yanlin Xu was born in Tianchang, Anhui, China, in 1990. He received the B.S. and M.S. degrees in electronic science and technology from National University of Defense Technology (NUDT), Chang-sha, China, in 2013 and 2015, respectively. He received the Ph.D. degree in information and communication engineering from NUDT in 2018. His current research interests include electromagnetic compatibility and protection, computational electromagnetics and its applications in scattering analysis.

Peiguo Liu, College of Electronic Science of National University of Defense Technology, Changsha 410073, China

Peiguo Liu received the Ph.D. degree in information engineering from the National University of Defense Technology, Changsha, China, in 1995. He is currently a Professor with the College of Electrical Science and Engineering, National University of Defense Technology. His current research interests include electromagnetic compatibility and protection.

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Published

2024-02-29

How to Cite

[1]
N. Hu, Y. Xu, and P. Liu, “A Numerical Analysis of Conformal Energy Selective Surface Array with Synthetic Functions Expansion”, ACES Journal, vol. 39, no. 02, pp. 115–122, Feb. 2024.

Issue

2024: Vol 39 Iss 2

Section

General Submission

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