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Complexity Reduction of Multiscale UTLM Cell Clusters

Sewell, Phillip; Benson, Trevor M.; Vukovic, Ana; Meng, Xuesong

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Professor of Electromagnetics

Trevor M. Benson

Professor of Electromagnetic Applications

Xuesong Meng


Time domain electromagnetic simulations employing unstructured tetrahedral meshes offer smooth boundary approximations and graded meshes for multiscale problems. However, multiscale effects may arise not only as a consequence of fine geometry, but also from CAD and mesh generation artifacts and it is critical that the simulation algorithms can be employed in their presence without unduly compromising their computational performance. The ability of the Unstructured Transmission Line Modeling (UTLM) algorithm to coalesce small computational cells into larger entities is a key enabler for the approach. This paper demonstrates the use of complexity reduction techniques to both notably reduce the preprocessing time required for this and as a consequence, substantially extend its capability.


Sewell, P., Benson, T. M., Vukovic, A., & Meng, X. (2017). Complexity Reduction of Multiscale UTLM Cell Clusters. IEEE Journal on Multiscale and Multiphysics Computational Techniques, 2, 18-28.

Journal Article Type Article
Acceptance Date Jan 2, 2017
Online Publication Date Feb 17, 2017
Publication Date 2017
Deposit Date Mar 28, 2017
Publicly Available Date Jul 7, 2020
Journal IEEE Journal on Multiscale and Multiphysics Computational Techniques
Electronic ISSN 2379-8793
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 2
Pages 18-28
Keywords Simulation, transmission line modeling, unstructured meshes
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