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Adaptive Mesh Refinement in Time-Domain Numerical Electromagnetics

[NT 42944] Record Type:	[NT 8598] Electronic resources : [NT 8250] Monograph/item
[NT 47271] Title/Author:	Adaptive Mesh Refinement in Time-Domain Numerical Electromagnetics/ by Costas D. Sarris.
[NT 47261] Author:	Sarris, Costas D.
[NT 47264] Description:	XVII, 135 p.online resource. :
[NT 47305] Contained By:	Springer Nature eBook
[NT 47266] Subject:	Engineering. -
[NT 47457] Online resource:	Fulltext (查閱電子書全文)
[NT 51404] ISBN:	9783031016950

Adaptive Mesh Refinement in Time-Domain Numerical Electromagnetics
Sarris, Costas D.

Adaptive Mesh Refinement in Time-Domain Numerical Electromagnetics[electronic resource] /by Costas D. Sarris. - 1st ed. 2007. - XVII, 135 p.online resource. - Synthesis Lectures on Computational Electromagnetics,1932-1716. - Synthesis Lectures on Computational Electromagnetics,.

Introduction -- A Numerical Interface Between FDTD and Haar MRTD: Formulation and Applications -- Efficient Implementation of Adaptive Mesh Refinement in the Haar Wavelet-based MRTD Technique -- The Dynamically Adaptive Mesh Refinement (AMR)-FDTD Technique: Theory -- Dynamically Adaptive Mesh Refinement in FDTD: Microwave Circuit Applications -- Dynamically Adaptive Mesh Refinement in FDTD: Optical Applications and Error Estimates.

This monograph is a comprehensive presentation of state-of-the-art methodologies that can dramatically enhance the efficiency of the finite-difference time-domain (FDTD) technique, the most popular electromagnetic field solver of the time-domain form of Maxwell's equations. These methodologies are aimed at optimally tailoring the computational resources needed for the wideband simulation of microwave and optical structures to their geometry, as well as the nature of the field solutions they support. That is achieved by the development of robust "adaptive meshing" approaches, which amount to varying the total number of unknown field quantities in the course of the simulation to adapt to temporally or spatially localized field features. While mesh adaptation is an extremely desirable FDTD feature, known to reduce simulation times by orders of magnitude, it is not always robust. The specific techniques presented in this book are characterized by stability and robustness. Therefore, they are excellent computer analysis and design (CAD) tools. The book starts by introducing the FDTD technique, along with challenges related to its application to the analysis of real-life microwave and optical structures. It then proceeds to developing an adaptive mesh refinement method based on the use of multiresolution analysis and, more specifically, the Haar wavelet basis. Furthermore, a new method to embed a moving adaptive mesh in FDTD, the dynamically adaptive mesh refinement (AMR) FDTD technique, is introduced and explained in detail. To highlight the properties of the theoretical tools developed in the text, a number of applications are presented, including: Microwave integrated circuits (microstrip filters, couplers, spiral inductors, cavities). Optical power splitters, Y-junctions, and couplers Optical ring resonators Nonlinear optical waveguides. Building on first principles of time-domain electromagnetic simulations, this book presents advanced concepts and cutting-edge modeling techniques in an intuitive way for programmers, engineers, and graduate students. It is designed to provide a solid reference for highly efficient time-domain solvers, employed in a wide range of exciting applications in microwave/millimeter-wave and optical engineering.

ISBN: 9783031016950

Standard No.: 10.1007/978-3-031-01695-0doiSubjects--Topical Terms:

423497
Engineering.

LC Class. No.: T1-995

Dewey Class. No.: 620

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