Some Remarks on the Transmission Line Matrix (TLM) Method and Its Application to Transient EM Fields and to EMC Problems

Some Remarks on the Transmission Line Matrix (TLM) Method and Its Application to Transient EM Fields and to EMC Problems
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关于传输线矩阵(TLM)方法及其在瞬态电磁场和电磁兼容问题中的应用的一些评论

DOI:
10.1007/978-981-287-095-7_2
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
J. A. Russer
J. A. Russer
中科院分区:
--
文献类型:
--
作者:
P. Russer;J. A. Russer

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沃尔夫冈·JR Hoefer开创了传输线矩阵(TLM)方法,并使其成为电磁场时域建模的强大工具。在他的科学工作中,Wolfgang Hoefer一直非常注重对电磁现象的形象思维和几何和物理理解。在这篇文章中,我们邀请聪明的读者和我们一起漫步在TLM的花园里,并想和他分享一些关于TLM方法起源的想法,并提出一些具体的应用。本文讨论了TLM方法与惠更斯光传播模型的关系,并说明了如何应用网络理论在惠更斯模型的基础上推导出TLM方法。我们展示了如何TLM计划可以嵌入在一个一般的离散时间电路的概念。讨论了TLM方法在电磁兼容问题中的应用。作为一种时域方法,TLM方法最适合于模拟宽带和瞬变电磁现象,因此,将TLM方法与积分方程方法相结合,可以为自由空间中相隔很远的复杂电磁结构建模提供一个强大的工具。引入网络模型允许应用相关矩阵方法对随机场进行建模。
Wolfgang J.R. Hoefer has pioneered the Transmission Line Matrix (TLM) method and made it a powerful tool for time-domain modeling of electromagnetic fields. In his scientific work, Wolfgang Hoefer always is placing a strong focus on imagery thinking and geometric and physical understanding of the electromagnetic phenomena. In this contribution, we invite the apt reader to stroll with us through the garden of TLM and would like to share with him some thoughts on the origin of the TLM method and also present some specific applications. We discuss the relation of the TLM method to Christian Huygens’ model of light propagation and show how the TLM method can be deduced on the basis Huygens’ model by application of network theory. We show how the TLM scheme can be embedded in a general discrete time circuit concept. The application of the TLM method to electromagnetic compatibility (EMC) problems is discussed. As a time-domain method, the TLM method is optimally suited to model broadband and transient electromagnetic phenomena and therefore, combining the TLM method with the Integral Equation method yields a powerful tool for the modeling of complex electromagnetic structures separated by large distances in free space. Introducing network models allows the application of correlation matrix methods for the modeling of stochastic fields.
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