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EM modelling of arbitrary shaped anisotropic dielectric objects using an efficient 3D leapfrog scheme on unstructured meshes
Computational Mechanics, Volume: 58, Issue: 3, Pages: 441 - 455
Swansea University Authors:
Kenneth Morgan , Oubay Hassan
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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...
Published in: | Computational Mechanics |
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ISSN: | 0178-7675 1432-0924 |
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2016
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URI: | https://cronfa.swan.ac.uk/Record/cronfa39560 |
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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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1763752453931532288 |
score |
11.021648 |