EM Modeling of Surfaces with Stop or Go Characteristics – Artificial Magnetic Conductors and Soft and Hard Surfaces
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EM Modeling of Surfaces with Stop or Go Characteristics – Artificial Magnetic Conductors and Soft and Hard SurfacesAbstract
We discuss and demonstrate by measurements and
computations the relation between electromagnetic
bandgap surfaces (EBG) used to realize artificial
magnetic conductors and the so-called soft and hard
surfaces in electromagnetics, with respect to their STOP
and GO characteristics for surface waves. We show
how the main characteristics of such surfaces can be
modeled by using ideal surfaces representing perfect
magnetic conductors (PMC) and PEC/PMC strip grids.
Unfortunately, commercial codes do not allow such
modeling for general shapes of the surfaces.
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