EAN: 9783031005855

SYNTHESIS LECTURES ON COMPUTATIONAL ELECTROMAGN...

Periodic structures are of great importance in electromagnetics due to their wide range of
applications such as frequency selective surfaces (FSS)  electromagnetic band gap (EBG)
structures  periodic absorbers  meta-materials  and many others. The aim of this book is to
develop efficient computational algorithms to analyze the scattering properties of various
electromagnetic periodic structures using the finite-difference time-domain periodic boundary
condition (FDTD PBC) method. A new FDTD PBC-based algorithm is introduced to analyze general
skewed grid periodic structures while another algorithm is developed to analyze dispersive
periodic structures. Moreover  the proposed algorithms are successfully integrated with the
generalized scattering matrix (GSM) technique  identified as the hybrid FDTD-GSM algorithm  to
efficiently analyze multilayer periodic structures. All the developed algorithms are easy to
implement and are efficient in both computational time and memory usage. These algorithms are
validated through several numerical test cases. The computational methods presented in this
book will help scientists and engineers to investigate and design novel periodic structures and
to explore other research frontiers in electromagnetics. Table of Contents: Introduction   FDTD
Method and Periodic Boundary Conditions   Skewed Grid Periodic Structures   Dispersive Periodic
Structures   Multilayered Periodic Structures   Conclusions

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