A new approach to predict shielding properties of layered nonlinear sheets

S. Celozzi, M. D'amore
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引用次数: 3

Abstract

A layered shield constituted by a first linear conductive sheet and a second nonlinear ferromagnetic sheet is considered. The field source is modelled by a transverse plane wave having a vertical polarization. The transmitted EM field is evaluated by developing a time-domain procedure. The linear sheet is represented by an equivalent field source and an equivalent input impedance, in analogy with the Thevenin approach in the transmission line theory. The analysis of the EM field propagation through the nonlinear layer is performed by using a numerical procedure based on the finite-element method. Shielding performances of different configurations including saturable ferromagnetic materials are presented.<>
一种预测层状非线性薄片屏蔽性能的新方法
考虑了由第一层线性导电片和第二层非线性铁磁片构成的层状屏蔽层。场源用具有垂直偏振的横面波来模拟。通过开发时域程序来评估传输的电磁场。线性片由等效场源和等效输入阻抗表示,类似于传输线理论中的Thevenin方法。采用基于有限元法的数值计算方法对电磁场在非线性层中的传播进行了分析。给出了包括饱和铁磁材料在内的不同结构的屏蔽性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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