2022•2022 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)Requires access

An Accurate Time-Domain Simulation Technique for High-Power Electromagnetic Environments

Xinsong Wang, Guangzhi Chen, Wangli Du, Donglin Su

Abstract

In this paper, the propagation of several high-power electromagnetic (HPEM) environments are simulated in free space through finite-difference time-domain (FDTD) methods based on face-centered cubic (FCC) grids. Three typical HPEM environments including ultra wide band (UWB), high-altitude electromagnetic pulse (HEMP) and high-power microwave (HP-M), are analyzed. Comparing the calculated results of the FCC-FDTD method with the analytical results, or with the FDTD methods with smaller grid in three numerical examples, the FCC-FDTD method is proved to be an effective and stability method to simulate HPEM environments.

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Key concepts: Finite-difference time-domain method, Electromagnetic pulse, Microwave, Computer science, Power (physics), Time domain, Stability (learning theory), Electromagnetic radiation