Adaptive Mesh Refinement for Time-Domain Numerical Electromagnetics

✍ Scribed by Costas D. Sarris

Publisher: Morgan and Claypool Publishers
Year: 2006
Tongue: English
Leaves: 154
Series: Synthesis Lectures on Computational Electromagnetics
Category: Library

No coin nor oath required. For personal study only.

✦ Synopsis

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.

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