Overview

Maxwell’s equations form the basis of understanding of problem and solutions involving the interaction of electromagnetic waves with matter. There are two different approaches: analytical formulation (the model is derived from Maxwell’s equations under given boundary conditions and medium parameters) and direct numerical simulation methods. Real-world problems such as electromagnetic scattering, electromagnetic radiation, modeling of waveguides can be too complex to solve analytically for a multitude of geometries found in actual devices. Fortunately, the rapidly growing computer capacity and calculation speeds made it possible for numerical simulation methods to overcome this inability. Numerical techniques and methods can now solve a wide range of electromagnetic problems by deriving closed-form solutions of Maxwell’s equations under numerous constitutive equations of media and boundary conditions (e.g. by computing the electric and magnetic fields across the given domain, power flow direction, waveguide normal modes, media-generated wave dispersion and scattering). This book is a collection of the contemporary research articles focused on topics of electromagnetic modeling and simulation methods such as the well-known Finite Element Model (FEM), Finite-difference time-domain (FDTD), Finite integration technique (FIT) and Method of Moments (MoM) applied to different media and boundary conditions. For instance, the first chapters include a review these techniques and tools applied to the study of plasmonic structures, graphene modeling, and electromagnetic nondestructive testing. The following chapters are focused on FEM and FDTD based methods applied to the analysis of photonic fibers, and metamaterials integrated with active and tunable circuit elements. The remaining chapters are focused on electromagnetic modeling of specific systems and technologies. Some examples are the modeling of high voltage direct current in multi-terminal grids, inductive charging systems in wirelessly charge electric vehicles, on-body wireless transmission in Body-Area-Networks (BANs) and more.

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9781680943962

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Olga Moreira obtained her Ph.D. in Astrophysics from the University of Liege (Belgium) in 2010, her BSc. in Physics and Applied Mathematics from the University of Porto (Portugal). Her post-graduate travels and international collaborations with the European Space Agency (ESA) and European Southern Observatory (ESO) led to great personal and professional growth as a scientist. Currently, she is working as an independent researcher, technical writer, and editor in the fields of Mathematics, Physics, Astronomy and Astrophysics.

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