EAN: 9783031005596

SYNTHESIS LECTURES ON COMPUTATIONAL ELECTROMAGN...

This book presents a method that allows the use of multiresolution principles in a time domain
electromagnetic modeling technique that is applicable to general structures. The
multiresolution time-domain (MRTD) technique  as it is often called  is presented for general
basis functions. Additional techniques that are presented here allow the modeling of complex
structures using a subcell representation that permits the modeling discrete electromagnetic
effects at individual equivalent grid points. This is accomplished by transforming the
application of the effects at individual points in the grid into the wavelet domain. In this
work  the MRTD technique is derived for a general wavelet basis using a relatively compact
vector notation that both makes the technique easier to understand and illustrates the
differences between MRTD basis functions. In addition  techniques such as the uniaxial
perfectly matched layer (UPML) for arbitrary wavelet resolution and non-uniform gridding are
presented. Using these techniques  any structure that can be simulated in Yee-FDTD can be
modeled with in MRTD.

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