Analysis and Simulations of Electrothermal Characteristics of Water-based Ultrawideband Absorber Using HIE-FVM Hybrid Method

Authors

  • Wen Bin Yan College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics Nanjing, 21000, China
  • Yi Wang College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics Nanjing, 21000, China
  • Qun Sheng Cao College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics Nanjing, 21000, China

DOI:

https://doi.org/10.13052/2024.ACES.J.390704

Keywords:

Electrothermal coupling computation, FVM, HIE-FDTD, Water-based absorber

Abstract

In this study, the dispersion characteristics, impedance features, and absorption conditions of water-based electromagnetic (EM) absorbers are investigated. A methodology for the rapid construction of a three-layer water-based absorber structure is proposed. Concurrently, a weakly conditionally stable Hybrid Implicit-Explicit Finite Difference Time Domain (HIE-FDTD) method is introduced to enhance the computational efficiency of thin layer structures. Furthermore, the EM computation integrates thermal effect calculations. A hybrid approach, combining the HIE-FDTD and Finite Volume Method (FVM), is employed to analyze temperature variations induced by EM wave incidence on the absorber.

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Author Biographies

Wen Bin Yan, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics Nanjing, 21000, China

Wen Bin Ph.D. student, the School of Electronic and Information Engineering at Nanjing University of Aeronautics and Astronautics, focuses on computational electromagnetics and the Finite-Difference Time-Domain (FDTD) method.

Yi Wang, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics Nanjing, 21000, China

Yi Wang Associate professor, the School of Electronic and Information Engineering at Nanjing University of Aeronautics and Astronautics, specializes in computational electromagnetics, frequency-selective surface design, and the development of metamaterials.

Qun Sheng Cao, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics Nanjing, 21000, China

Qun Sheng Professor, the School of Electronic and Information Engineering at Nanjing University of Aeronautics and Astronautics, specializes in computational electromagnetics, the Multi-Resolution Time-Domain (MRTD) method, high-speed signal integrity, electromagnetic stealth metamaterials, and the design of antenna radomes.

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Published

2024-07-31

How to Cite

[1]
W. B. . Yan, Y. . Wang, and Q. S. . Cao, “Analysis and Simulations of Electrothermal Characteristics of Water-based Ultrawideband Absorber Using HIE-FVM Hybrid Method”, ACES Journal, vol. 39, no. 07, pp. 606–613, Jul. 2024.

Issue

2024: Vol 39 Iss 7

Section

General Submission

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