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Answering two questions is the principal objective of this introductory chapter. The first question is: why is the simulation of free space needed in numerical electromagnetics? The second one is: which requirements have to be satisfied by the methods that simulate free space? In addition, the methods developed for simulating free space before the introduction of the Perfectly Matched Layer concept are briefly reviewed.

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The Requirements for the Simulation of Free Space and a Review of Existing Absorbing Boundary Conditions

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  • 发表日期：

    2025年

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  • Jean-Pierre Bérenger

摘要

Answering two questions is the principal objective of this introductory chapter. The first question is: why is the simulation of free space needed in numerical electromagnetics? The second one is: which requirements have to be satisfied by the methods that simulate free space? In addition, the methods developed for simulating free space before the introduction of the Perfectly Matched Layer concept are briefly reviewed.