Compact time-domain models including Lorentz materials based on reduced-order models in the frequency-domain

机译：紧凑的时域模型，包括基于频域中降阶模型的洛伦兹材料

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This contribution describes a methodology for computing compact time-domain models of electromagnetic devices containing Lorentz materials from finite-element systems in the frequency domain. The procedure starts with projection-based model-order reduction, to downsize system dimension. The resulting reduced-order model is transformed to the time-domain and leads to a state-space representation. The proposed method is mathematically proved to preserve important system properties including passivity, causality, and reciprocity, and allows for reconstructing the transient electromagnetic fields.

机译：该贡献描述了一种用于计算电磁设备的紧凑时域模型的方法，该电磁设备包含来自频域中有限元系统的Lorentz材料。该过程从基于投影的模型顺序缩减开始，以缩小系统尺寸。所得的降阶模型被转换到时域，并导致状态空间表示。该方法在数学上得到了证明，可以保留重要的系统特性，包括无源性，因果关系和互易性，并可以重建瞬态电磁场。

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来源
《17th Biennial IEEE Conference on Electromagnetic Field Computation》|2016年|1-1|共1页
会议地点 Miami(US)
作者
Rolf Baltes; Ortwin Farle; Romanus Dyczij-Edlinger;
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作者单位

Chair for Electromagnetic Theory, Saarland University, D-66123 Saarbrücken, Germany;

CST AG, D-64289 Darmstadt, Germany;

Chair for Electromagnetic Theory, Saarland University, D-66123 Saarbrücken, Germany;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Time-domain analysis; Reduced order systems; Frequency-domain analysis; Computational modeling; Resonant frequency; Mathematical model;

机译：时域分析;降阶系统;频域分析;计算模型;共振频率;数学模型;

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专利

1. Compact and Passive Time-Domain Models Including Dispersive Materials Based on Order-Reduction in the Frequency Domain [J] . Rolf Baltes, Ortwin Farle, Romanus Dyczij-Edlinger IEEE Transactions on Microwave Theory and Techniques . 2017,第8期

机译：紧凑和被动时域模型，包括基于频域降阶的色散材料
2. Generating nearly optimally compact models from Krylov-subspace based reduced-order models [J] . Kamon M., Wang F. IEEE Transactions on Circuits and Systems. II . 2000,第4期

机译：从基于Krylov子空间的降阶模型生成几乎最优的紧凑模型
3. An Adjoint-Based Approach to Computing Time-Domain Sensitivity of Multiport Systems Described by Reduced-Order Models [J] . Tamer Ahmed, Emad Gad, Mustapha C. E. Yagoub IEEE Transactions on Microwave Theory and Techniques . 2005,第11期

机译：降阶模型描述的基于伴随的多端口系统时域灵敏度计算方法
4. Compact time-domain models including Lorentz materials based on reduced-order models in the frequency-domain [C] . Rolf Baltes, Ortwin Farle, Romanus Dyczij-Edlinger Biennial IEEE Conference on Electromagnetic Field Computation . 2016

机译：紧凑的时域模型，包括基于频域中的阶数模型的Lorentz材料
5. Electromagnetic system frequency-domain reduced-order modeling and time-domain simulation. [D] . Zhou, Tingdong. 2002

机译：电磁系统频域降阶建模和时域仿真。
6. Numerical Modeling for Simulation of Compaction of Refractory Materials for Secondary Steelmaking [O] . Cristina Ramírez-Aragón, Joaquín Ordieres-Meré, Fernando Alba-Elías, 2020

机译：二次炼钢用耐火材料压实模拟的数值模型
7. Electromagnetic system frequency-domain reduced-order modeling and time-domain simulation [O] . Zhou Tingdong 2002

机译：电磁系统频域降阶建模和时域仿真

Compact time-domain models including Lorentz materials based on reduced-order models in the frequency-domain

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