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Advances in co-volume mesh generation and mesh optimisation techniques / Sean Walton; Oubay Hassan; Kenneth Morgan

Computers & Structures, Volume: 181, Pages: 70 - 88

Swansea University Authors: Sean, Walton, Oubay, Hassan, Kenneth, Morgan

Abstract

This paper introduces developments in modified techniques for the generation of unstructured, non-uniform, dual orthogonal meshes which are suitable for use with co-volume solution schemes. Two new mesh generation techniques, a modified advancing front technique and an octree-Delaunay algorithm, are...

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Published in: Computers & Structures
ISSN: 0045-7949
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa29414
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first_indexed 2016-08-03T12:45:55Z
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spelling 2021-01-29T12:17:36.3988357 v2 29414 2016-08-03 Advances in co-volume mesh generation and mesh optimisation techniques 0ec10d5e3ed3720a2d578417a894cf49 0000-0002-6451-265X Sean Walton Sean Walton true false 07479d73eba3773d8904cbfbacc57c5b 0000-0001-7472-3218 Oubay Hassan Oubay Hassan true false 17f3de8936c7f981aea3a832579c5e91 0000-0003-0760-1688 Kenneth Morgan Kenneth Morgan true false 2016-08-03 SCS This paper introduces developments in modified techniques for the generation of unstructured, non-uniform, dual orthogonal meshes which are suitable for use with co-volume solution schemes. Two new mesh generation techniques, a modified advancing front technique and an octree-Delaunay algorithm, are coupled with a mesh optimisation algorithm. When using a Delaunay–Voronoi dual, to construct mutually orthogonal meshes for co-volume schemes, it is essential to minimise the number of Delaunay elements which do not contain their Voronoi vertex. These new techniques provide an improvement over previous approaches, as they produce meshes in which the number of elements that do not contain their Voronoi vertex is reduced. In particular, it is found that the optimisation algorithm, which could be applied to any mesh cosmetics problem, is very effective, regardless of the quality of the initial mesh. This is illustrated by applying the proposed approach to a number of complex industrial aerospace geometries. Journal Article Computers & Structures 181 70 88 0045-7949 31 3 2017 2017-03-31 10.1016/j.compstruc.2016.06.009 COLLEGE NANME Computer Science COLLEGE CODE SCS Swansea University 2021-01-29T12:17:36.3988357 2016-08-03T08:42:32.3075738 College of Engineering Engineering Sean Walton 0000-0002-6451-265X 1 Oubay Hassan 0000-0001-7472-3218 2 Kenneth Morgan 0000-0003-0760-1688 3 0029414-06102016114822.pdf manuscriptv6.pdf 2016-10-06T11:48:22.7030000 Output 73957580 application/pdf Accepted Manuscript true 2017-07-26T00:00:00.0000000 true 45 Stephen Waldie 0000-0002-9438-5954 S.Waldie@Swansea.ac.uk true true
title Advances in co-volume mesh generation and mesh optimisation techniques
spellingShingle Advances in co-volume mesh generation and mesh optimisation techniques
Sean, Walton
Oubay, Hassan
Kenneth, Morgan
title_short Advances in co-volume mesh generation and mesh optimisation techniques
title_full Advances in co-volume mesh generation and mesh optimisation techniques
title_fullStr Advances in co-volume mesh generation and mesh optimisation techniques
title_full_unstemmed Advances in co-volume mesh generation and mesh optimisation techniques
title_sort Advances in co-volume mesh generation and mesh optimisation techniques
author_id_str_mv 0ec10d5e3ed3720a2d578417a894cf49
07479d73eba3773d8904cbfbacc57c5b
17f3de8936c7f981aea3a832579c5e91
author_id_fullname_str_mv 0ec10d5e3ed3720a2d578417a894cf49_***_Sean, Walton
07479d73eba3773d8904cbfbacc57c5b_***_Oubay, Hassan
17f3de8936c7f981aea3a832579c5e91_***_Kenneth, Morgan
author Sean, Walton
Oubay, Hassan
Kenneth, Morgan
author2 Sean Walton
Oubay Hassan
Kenneth Morgan
format Journal article
container_title Computers & Structures
container_volume 181
container_start_page 70
publishDate 2017
institution Swansea University
issn 0045-7949
doi_str_mv 10.1016/j.compstruc.2016.06.009
college_str College of Engineering
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hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
document_store_str 1
active_str 0
description This paper introduces developments in modified techniques for the generation of unstructured, non-uniform, dual orthogonal meshes which are suitable for use with co-volume solution schemes. Two new mesh generation techniques, a modified advancing front technique and an octree-Delaunay algorithm, are coupled with a mesh optimisation algorithm. When using a Delaunay–Voronoi dual, to construct mutually orthogonal meshes for co-volume schemes, it is essential to minimise the number of Delaunay elements which do not contain their Voronoi vertex. These new techniques provide an improvement over previous approaches, as they produce meshes in which the number of elements that do not contain their Voronoi vertex is reduced. In particular, it is found that the optimisation algorithm, which could be applied to any mesh cosmetics problem, is very effective, regardless of the quality of the initial mesh. This is illustrated by applying the proposed approach to a number of complex industrial aerospace geometries.
published_date 2017-03-31T03:45:45Z
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