Complexity reduction of multiscale UTLM cell clusters

Sewell, Phillip, Benson, Trevor M., Vukovic, Ana and Meng, Xuesong (2017) Complexity reduction of multiscale UTLM cell clusters. IEEE Journal on Multiscale and Multiphysics Computational Techniques, 2 . pp. 18-28. ISSN 2379-8793

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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.

Item Type: Article
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Keywords: Simulation, transmission line modeling, unstructured meshes
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
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Depositing User: Sewell, Phil
Date Deposited: 28 Mar 2017 10:05
Last Modified: 04 May 2020 18:34

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