A Subcell Finite-Difference Time-Domain Implementation for Narrow Slots on Conductive Panels
Metadatos
Mostrar el registro completo del ítemAutor
Ruiz-Cabello Núñez, Miguel David; Martín Valverde, Antonio Jesús; Rubio Bretones, Amelia Consuelo; Gascón Bravo, Alberto; González García, SalvadorEditorial
MDPI
Materia
Numerical electromagnetics Complex electromagnetic environments Electromagnetic compatibility Finite Difference Time Domain (FDTD) Narrow slot Small apertures Subcell modeling Subgridding Thin gaps
Fecha
2023-08-03Referencia bibliográfica
Ruiz Cabello, M.; Martín Valverde, A.J.; Plaza, B.; Frövel, M.; Poyatos, D.; R. Bretones, A.; G. Bravo, A.; G. Garcia, S. A Subcell Finite-Difference Time-Domain Implementation for Narrow Slots on Conductive Panels. Appl. Sci. 2023, 13, 8949. [https://doi.org/10.3390/app13158949]
Patrocinador
European Union (EU) 101101961HECATE; Clean Aviation Joint Undertakin; Spanish Government eSAFE-UAV PID2019-106120RB-C32, PID2019-106120RB-C33Resumen
Efficiently modeling thin features using the finite-difference time-domain (FDTD) method involves a considerable reduction in the spatial mesh size. However, in real-world scenarios, such reductions can lead to unaffordable memory and CPU requirements. In this manuscript, we present two stable and efficient techniques in FDTD to handle narrow apertures on conductive thin panels. One technique employs conformal methods, while the other utilizes subgridding methods. We validate their performance compared to the classical Gilbert-Holland model and present experimental results in reverberation environments to shed light on these models' actual confidence margins in real electromagnetic compatibility (EMC) scenarios.