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A quasi-static crack propagation simulation based on shape-free hybrid stress-function finite elements with simple remeshing

Ming-Jue Zhou, Song Cen, Yi Bao, Chenfeng Li Orcid Logo

Computer Methods in Applied Mechanics and Engineering, Volume: 275, Pages: 159 - 188

Swansea University Author: Chenfeng Li Orcid Logo

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DOI (Published version): 10.1016/j.cma.2014.03.006

Abstract

In this paper, a new shape-free multi-node singular hybrid stress-function (HSF) element and a shape-free 8-node plane HSF element proposed recently are employed to simulate the quasi-static 2D crack propagation problem. Compared with other well-known methods, such new scheme exhibits four advantage...

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Published in: Computer Methods in Applied Mechanics and Engineering
ISSN: 0045-7825
Published: 2014
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URI: https://cronfa.swan.ac.uk/Record/cronfa21432
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first_indexed 2015-05-16T02:03:33Z
last_indexed 2020-10-07T02:37:45Z
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spelling 2020-10-06T15:38:51.4979640 v2 21432 2015-05-15 A quasi-static crack propagation simulation based on shape-free hybrid stress-function finite elements with simple remeshing 82fe170d5ae2c840e538a36209e5a3ac 0000-0003-0441-211X Chenfeng Li Chenfeng Li true false 2015-05-15 CIVL In this paper, a new shape-free multi-node singular hybrid stress-function (HSF) element and a shape-free 8-node plane HSF element proposed recently are employed to simulate the quasi-static 2D crack propagation problem. Compared with other well-known methods, such new scheme exhibits four advantages: (i) for the singular element, the shape and the number of nodes can be flexibly adjusted as required; (ii) high precision for stress intensity factors (SIF) can be obtained due to the advantages of the HSF method; (iii) only simple remeshing with a very coarse mesh is needed for each simulation step; (iv) unstructured mesh containing extremely distorted elements can be used without losing precision. It demonstrates that the proposed scheme is an effective technique for dealing with crack propagation problems. Journal Article Computer Methods in Applied Mechanics and Engineering 275 159 188 0045-7825 Finite element, Hybrid stress-function (HSF) element, Shape-free, Crack propagation, Simple remeshing 15 6 2014 2014-06-15 10.1016/j.cma.2014.03.006 COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University 2020-10-06T15:38:51.4979640 2015-05-15T11:25:30.3972668 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering Ming-Jue Zhou 1 Song Cen 2 Yi Bao 3 Chenfeng Li 0000-0003-0441-211X 4
title A quasi-static crack propagation simulation based on shape-free hybrid stress-function finite elements with simple remeshing
spellingShingle A quasi-static crack propagation simulation based on shape-free hybrid stress-function finite elements with simple remeshing
Chenfeng Li
title_short A quasi-static crack propagation simulation based on shape-free hybrid stress-function finite elements with simple remeshing
title_full A quasi-static crack propagation simulation based on shape-free hybrid stress-function finite elements with simple remeshing
title_fullStr A quasi-static crack propagation simulation based on shape-free hybrid stress-function finite elements with simple remeshing
title_full_unstemmed A quasi-static crack propagation simulation based on shape-free hybrid stress-function finite elements with simple remeshing
title_sort A quasi-static crack propagation simulation based on shape-free hybrid stress-function finite elements with simple remeshing
author_id_str_mv 82fe170d5ae2c840e538a36209e5a3ac
author_id_fullname_str_mv 82fe170d5ae2c840e538a36209e5a3ac_***_Chenfeng Li
author Chenfeng Li
author2 Ming-Jue Zhou
Song Cen
Yi Bao
Chenfeng Li
format Journal article
container_title Computer Methods in Applied Mechanics and Engineering
container_volume 275
container_start_page 159
publishDate 2014
institution Swansea University
issn 0045-7825
doi_str_mv 10.1016/j.cma.2014.03.006
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 0
active_str 0
description In this paper, a new shape-free multi-node singular hybrid stress-function (HSF) element and a shape-free 8-node plane HSF element proposed recently are employed to simulate the quasi-static 2D crack propagation problem. Compared with other well-known methods, such new scheme exhibits four advantages: (i) for the singular element, the shape and the number of nodes can be flexibly adjusted as required; (ii) high precision for stress intensity factors (SIF) can be obtained due to the advantages of the HSF method; (iii) only simple remeshing with a very coarse mesh is needed for each simulation step; (iv) unstructured mesh containing extremely distorted elements can be used without losing precision. It demonstrates that the proposed scheme is an effective technique for dealing with crack propagation problems.
published_date 2014-06-15T03:25:25Z
_version_ 1763750891156930560
score 11.035634

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