Collapse Of Conical Shells Having Single Dimple Imperfection Under Axial Compression

This paper aims to provide experimental results into the buckling behavior of cones having single dimple imperfection subjected to axial compression. Results of eight laboratory scaled conical test models and their accompanying numerical data are presented. Cones were manufactured in pairs with sing...

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Main Authors: Ifayefunmi, Olawale, Mahidan, Fairuz Mardhiah
Format: Article
Language:English
Published: American Society of Mechanical Engineers (ASME) 2021
Online Access:http://eprints.utem.edu.my/id/eprint/25501/2/COLLAPSE%20OF%20CONICAL%20SHELLS%20HAVING%20SINGLE%20DIMPLE%20IMPERFECTION%20UNDER%20AXIAL%20COMPRESSION.PDF
http://eprints.utem.edu.my/id/eprint/25501/
https://asmedigitalcollection.asme.org/pressurevesseltech/article-abstract/143/1/011301/1084908/Collapse-of-Conical-Shells-Having-Single-Dimple?redirectedFrom=fulltext
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spelling my.utem.eprints.255012022-03-08T16:37:34Z http://eprints.utem.edu.my/id/eprint/25501/ Collapse Of Conical Shells Having Single Dimple Imperfection Under Axial Compression Ifayefunmi, Olawale Mahidan, Fairuz Mardhiah This paper aims to provide experimental results into the buckling behavior of cones having single dimple imperfection subjected to axial compression. Results of eight laboratory scaled conical test models and their accompanying numerical data are presented. Cones were manufactured in pairs with single dimple imperfection amplitude, A, of 0.0, 0.56,1.12, and 1.68. Experimental results reveal good repeatability of collapse load. The errors between each pair were found to be 3%, 7%, 11%, and 1%. Furthermore, the comparison between test data and the numerically predicted collapse load was seen to be good. The ratio of collapse test load to finite element predicted values are [(0.96, 0.99), (1.04, 1.10), (1.06, 0.94), (1.0, 1.01)]. The buckling of axially compressed conical shells using the single dimple imperfection type appears to be strongly influenced by: (i) the dimple/imperfection amplitude, (ii) the cone geometric parameter, i.e., radius-to-thickness ratio and cone angle, and (iii) the location of the dimple American Society of Mechanical Engineers (ASME) 2021-02 Article PeerReviewed text en http://eprints.utem.edu.my/id/eprint/25501/2/COLLAPSE%20OF%20CONICAL%20SHELLS%20HAVING%20SINGLE%20DIMPLE%20IMPERFECTION%20UNDER%20AXIAL%20COMPRESSION.PDF Ifayefunmi, Olawale and Mahidan, Fairuz Mardhiah (2021) Collapse Of Conical Shells Having Single Dimple Imperfection Under Axial Compression. Journal of Pressure Vessel Technology, 143 (1). pp. 1-8. ISSN 0094-9930 https://asmedigitalcollection.asme.org/pressurevesseltech/article-abstract/143/1/011301/1084908/Collapse-of-Conical-Shells-Having-Single-Dimple?redirectedFrom=fulltext 10.1115/1.4047681
institution Universiti Teknikal Malaysia Melaka
building UTEM Library
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continent Asia
country Malaysia
content_provider Universiti Teknikal Malaysia Melaka
content_source UTEM Institutional Repository
url_provider http://eprints.utem.edu.my/
language English
description This paper aims to provide experimental results into the buckling behavior of cones having single dimple imperfection subjected to axial compression. Results of eight laboratory scaled conical test models and their accompanying numerical data are presented. Cones were manufactured in pairs with single dimple imperfection amplitude, A, of 0.0, 0.56,1.12, and 1.68. Experimental results reveal good repeatability of collapse load. The errors between each pair were found to be 3%, 7%, 11%, and 1%. Furthermore, the comparison between test data and the numerically predicted collapse load was seen to be good. The ratio of collapse test load to finite element predicted values are [(0.96, 0.99), (1.04, 1.10), (1.06, 0.94), (1.0, 1.01)]. The buckling of axially compressed conical shells using the single dimple imperfection type appears to be strongly influenced by: (i) the dimple/imperfection amplitude, (ii) the cone geometric parameter, i.e., radius-to-thickness ratio and cone angle, and (iii) the location of the dimple
format Article
author Ifayefunmi, Olawale
Mahidan, Fairuz Mardhiah
spellingShingle Ifayefunmi, Olawale
Mahidan, Fairuz Mardhiah
Collapse Of Conical Shells Having Single Dimple Imperfection Under Axial Compression
author_facet Ifayefunmi, Olawale
Mahidan, Fairuz Mardhiah
author_sort Ifayefunmi, Olawale
title Collapse Of Conical Shells Having Single Dimple Imperfection Under Axial Compression
title_short Collapse Of Conical Shells Having Single Dimple Imperfection Under Axial Compression
title_full Collapse Of Conical Shells Having Single Dimple Imperfection Under Axial Compression
title_fullStr Collapse Of Conical Shells Having Single Dimple Imperfection Under Axial Compression
title_full_unstemmed Collapse Of Conical Shells Having Single Dimple Imperfection Under Axial Compression
title_sort collapse of conical shells having single dimple imperfection under axial compression
publisher American Society of Mechanical Engineers (ASME)
publishDate 2021
url http://eprints.utem.edu.my/id/eprint/25501/2/COLLAPSE%20OF%20CONICAL%20SHELLS%20HAVING%20SINGLE%20DIMPLE%20IMPERFECTION%20UNDER%20AXIAL%20COMPRESSION.PDF
http://eprints.utem.edu.my/id/eprint/25501/
https://asmedigitalcollection.asme.org/pressurevesseltech/article-abstract/143/1/011301/1084908/Collapse-of-Conical-Shells-Having-Single-Dimple?redirectedFrom=fulltext
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