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LORETO, F. ROMANO, D. ANTONINI, G. ŠTUMPF, M. LAGER, I. VANDENBOSCH, G.
Original Title
Preserving Causality in Time Domain Integral Equation-Based Methods
Type
conference paper
Language
English
Original Abstract
The critical relevance of ensuring the excitation's causality in electromagnetic (EM) simulations is exploited by the computation of strictly causal time domain interaction integrals as they occur in the partial element equivalent circuit (PEEC) method. Under the hypothesis of thin, almost zero thickness objects, the presented formulas represent analytical impulse responses and, as such, are used within convolutions in the framework of the time domain PEEC solver. The proposed approach is compared with other standard approaches and clearly behaves better than frequency-domain methods in accurately catching the propagation delay and, thus, preserving the causality. Further, improved stability is observed compared to marching-on-in-time methods.
Keywords
computational electromagnetics; time-domain analysis
Authors
LORETO, F.; ROMANO, D.; ANTONINI, G.; ŠTUMPF, M.; LAGER, I.; VANDENBOSCH, G.
Released
2. 6. 2022
Publisher
EuMA
Location
London, United Kingdom
ISBN
978-2-87487-062-0
Book
European Microwave Week 2021 Conference Proceedings
Pages from
474
Pages to
477
Pages count
4
URL
https://ieeexplore.ieee.org/document/9784233
BibTex
@inproceedings{BUT180509, author="LORETO, F. and ROMANO, D. and ANTONINI, G. and ŠTUMPF, M. and LAGER, I. and VANDENBOSCH, G.", title="Preserving Causality in Time Domain Integral Equation-Based Methods", booktitle="European Microwave Week 2021 Conference Proceedings", year="2022", pages="474--477", publisher="EuMA", address="London, United Kingdom", doi="10.23919/EuMC50147.2022.9784233", isbn="978-2-87487-062-0", url="https://ieeexplore.ieee.org/document/9784233" }