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An unsymmetric 8-node hexahedral solid-shell element with high distortion tolerance: Linear formulations

Junbin Huang, Song Cen, Zhi Li, Chen-Feng Li, Chenfeng Li Orcid Logo

International Journal for Numerical Methods in Engineering, Volume: 116, Issue: 12-13, Pages: 759 - 783

Swansea University Author: Chenfeng Li Orcid Logo

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DOI (Published version): 10.1002/nme.5945

Abstract

A locking‐free unsymmetric 8‐node solid‐shell element with high distortion tolerance is proposed for general shell analysis, which is equipped with translational degrees of freedom only. The prototype of this new model is a recent solid element US‐ATFH8 developed by combining the unsymmetric finite...

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Published in: International Journal for Numerical Methods in Engineering
ISSN: 00295981
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa44787
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first_indexed 2018-10-08T15:00:24Z
last_indexed 2018-11-26T14:20:24Z
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spelling 2018-11-26T11:23:59.8713948 v2 44787 2018-10-08 An unsymmetric 8-node hexahedral solid-shell element with high distortion tolerance: Linear formulations 82fe170d5ae2c840e538a36209e5a3ac 0000-0003-0441-211X Chenfeng Li Chenfeng Li true false 2018-10-08 CIVL A locking‐free unsymmetric 8‐node solid‐shell element with high distortion tolerance is proposed for general shell analysis, which is equipped with translational degrees of freedom only. The prototype of this new model is a recent solid element US‐ATFH8 developed by combining the unsymmetric finite element method and the analytical solutions in three‐dimensional local oblique coordinates. By introducing proper shell assumptions and assumed natural strain modifications for transverse strains, the new solid‐shell element US‐ATFHS8 is successfully formulated. This element is able to give highly accurate predictions for shells with different geometric features and loading conditions and is quite insensitive to mesh distortions. In particular, the excellent performance of US‐ATFH8 under membrane load is well inherited, which is an outstanding advantage over other shell elements. Journal Article International Journal for Numerical Methods in Engineering 116 12-13 759 783 00295981 analytical trial functions, finite element methods, mesh distortions, oblique coordinates, solid‐shell elements, unsymmetric finite elements 31 12 2018 2018-12-31 10.1002/nme.5945 COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University 2018-11-26T11:23:59.8713948 2018-10-08T09:34:59.6974159 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering Junbin Huang 1 Song Cen 2 Zhi Li 3 Chen-Feng Li 4 Chenfeng Li 0000-0003-0441-211X 5 0044787-10102018110249.pdf huang2018.pdf 2018-10-10T11:02:49.2370000 Output 536175 application/pdf Accepted Manuscript true 2019-08-23T00:00:00.0000000 false eng
title An unsymmetric 8-node hexahedral solid-shell element with high distortion tolerance: Linear formulations
spellingShingle An unsymmetric 8-node hexahedral solid-shell element with high distortion tolerance: Linear formulations
Chenfeng Li
title_short An unsymmetric 8-node hexahedral solid-shell element with high distortion tolerance: Linear formulations
title_full An unsymmetric 8-node hexahedral solid-shell element with high distortion tolerance: Linear formulations
title_fullStr An unsymmetric 8-node hexahedral solid-shell element with high distortion tolerance: Linear formulations
title_full_unstemmed An unsymmetric 8-node hexahedral solid-shell element with high distortion tolerance: Linear formulations
title_sort An unsymmetric 8-node hexahedral solid-shell element with high distortion tolerance: Linear formulations
author_id_str_mv 82fe170d5ae2c840e538a36209e5a3ac
author_id_fullname_str_mv 82fe170d5ae2c840e538a36209e5a3ac_***_Chenfeng Li
author Chenfeng Li
author2 Junbin Huang
Song Cen
Zhi Li
Chen-Feng Li
Chenfeng Li
format Journal article
container_title International Journal for Numerical Methods in Engineering
container_volume 116
container_issue 12-13
container_start_page 759
publishDate 2018
institution Swansea University
issn 00295981
doi_str_mv 10.1002/nme.5945
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 A locking‐free unsymmetric 8‐node solid‐shell element with high distortion tolerance is proposed for general shell analysis, which is equipped with translational degrees of freedom only. The prototype of this new model is a recent solid element US‐ATFH8 developed by combining the unsymmetric finite element method and the analytical solutions in three‐dimensional local oblique coordinates. By introducing proper shell assumptions and assumed natural strain modifications for transverse strains, the new solid‐shell element US‐ATFHS8 is successfully formulated. This element is able to give highly accurate predictions for shells with different geometric features and loading conditions and is quite insensitive to mesh distortions. In particular, the excellent performance of US‐ATFH8 under membrane load is well inherited, which is an outstanding advantage over other shell elements.
published_date 2018-12-31T03:56:11Z
_version_ 1763752827394457600
score 11.013171

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