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EM modelling of arbitrary shaped anisotropic dielectric objects using an efficient 3D leapfrog scheme on unstructured meshes

A. Gansen, M. El Hachemi, S. Belouettar, O. Hassan, K. Morgan, Kenneth Morgan Orcid Logo, Oubay Hassan Orcid Logo

Computational Mechanics, Volume: 58, Issue: 3, Pages: 441 - 455

Swansea University Authors: Kenneth Morgan Orcid Logo, Oubay Hassan Orcid Logo

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DOI (Published version): 10.1007/s00466-016-1295-x

Abstract

The standard Yee algorithm is widely used in computational electromagnetics because of its simplicity and divergence free nature. A generalization of the classical Yee scheme to 3D unstructured meshes is adopted, based on the use of a Delaunay primal mesh and its high quality Voronoi dual. This allo...

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Published in: Computational Mechanics
ISSN: 0178-7675 1432-0924
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa39560
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spelling 2020-06-18T12:32:26.3158594 v2 39560 2018-04-25 EM modelling of arbitrary shaped anisotropic dielectric objects using an efficient 3D leapfrog scheme on unstructured meshes 17f3de8936c7f981aea3a832579c5e91 0000-0003-0760-1688 Kenneth Morgan Kenneth Morgan true false 07479d73eba3773d8904cbfbacc57c5b 0000-0001-7472-3218 Oubay Hassan Oubay Hassan true false 2018-04-25 CIVL The standard Yee algorithm is widely used in computational electromagnetics because of its simplicity and divergence free nature. A generalization of the classical Yee scheme to 3D unstructured meshes is adopted, based on the use of a Delaunay primal mesh and its high quality Voronoi dual. This allows the problem of accuracy losses, which are normally associated with the use of the standard Yee scheme and a staircased representation of curved material interfaces, to be circumvented. The 3D dual mesh leapfrog-scheme which is presented has the ability to model both electric and magnetic anisotropic lossy materials. This approach enables the modelling of problems, of current practical interest, involving structured composites and metamaterials. Journal Article Computational Mechanics 58 3 441 455 0178-7675 1432-0924 31 12 2016 2016-12-31 10.1007/s00466-016-1295-x COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University 2020-06-18T12:32:26.3158594 2018-04-25T11:04:53.8722445 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering A. Gansen 1 M. El Hachemi 2 S. Belouettar 3 O. Hassan 4 K. Morgan 5 Kenneth Morgan 0000-0003-0760-1688 6 Oubay Hassan 0000-0001-7472-3218 7 0039560-30042018114108.pdf gansen2016.pdf 2018-04-30T11:41:08.9470000 Output 3015622 application/pdf Version of Record true 2018-04-30T00:00:00.0000000 This article is distributed under the terms of the Creative Commons Attribution 4.0 International License true eng http://creativecommons.org/licenses/by/4.0
title EM modelling of arbitrary shaped anisotropic dielectric objects using an efficient 3D leapfrog scheme on unstructured meshes
spellingShingle EM modelling of arbitrary shaped anisotropic dielectric objects using an efficient 3D leapfrog scheme on unstructured meshes
Kenneth Morgan
Oubay Hassan
title_short EM modelling of arbitrary shaped anisotropic dielectric objects using an efficient 3D leapfrog scheme on unstructured meshes
title_full EM modelling of arbitrary shaped anisotropic dielectric objects using an efficient 3D leapfrog scheme on unstructured meshes
title_fullStr EM modelling of arbitrary shaped anisotropic dielectric objects using an efficient 3D leapfrog scheme on unstructured meshes
title_full_unstemmed EM modelling of arbitrary shaped anisotropic dielectric objects using an efficient 3D leapfrog scheme on unstructured meshes
title_sort EM modelling of arbitrary shaped anisotropic dielectric objects using an efficient 3D leapfrog scheme on unstructured meshes
author_id_str_mv 17f3de8936c7f981aea3a832579c5e91
07479d73eba3773d8904cbfbacc57c5b
author_id_fullname_str_mv 17f3de8936c7f981aea3a832579c5e91_***_Kenneth Morgan
07479d73eba3773d8904cbfbacc57c5b_***_Oubay Hassan
author Kenneth Morgan
Oubay Hassan
author2 A. Gansen
M. El Hachemi
S. Belouettar
O. Hassan
K. Morgan
Kenneth Morgan
Oubay Hassan
format Journal article
container_title Computational Mechanics
container_volume 58
container_issue 3
container_start_page 441
publishDate 2016
institution Swansea University
issn 0178-7675
1432-0924
doi_str_mv 10.1007/s00466-016-1295-x
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering
document_store_str 1
active_str 0
description The standard Yee algorithm is widely used in computational electromagnetics because of its simplicity and divergence free nature. A generalization of the classical Yee scheme to 3D unstructured meshes is adopted, based on the use of a Delaunay primal mesh and its high quality Voronoi dual. This allows the problem of accuracy losses, which are normally associated with the use of the standard Yee scheme and a staircased representation of curved material interfaces, to be circumvented. The 3D dual mesh leapfrog-scheme which is presented has the ability to model both electric and magnetic anisotropic lossy materials. This approach enables the modelling of problems, of current practical interest, involving structured composites and metamaterials.
published_date 2016-12-31T03:50:15Z
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score 11.017464

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