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This work was partly funded by the UK Engineering and Physical Sciences Research Council (EPSRC) with Grant contract EP/N024060/1.

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Wang, JieAuthor
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Article

Elastic Imperfect Cylindrical Shells of Varying Length under Combined Axial Compression and Bending

Publicated to:Journal Of Structural Engineering. 146 (4): 04020014- - 2020-04-01 146(4), DOI: 10.1061/(ASCE)ST.1943-541X.0002560

Authors: Wang, Jie; Sadowski, Adam J

Affiliations

Imperial Coll London, Struct Engn, London SW7 2AZ, England - Author
Univ Bath, Struct Engn Design, Bath BA2 7AY, Avon, England - Author

Abstract

This paper presents a comprehensive computational investigation of the elastic nonlinear buckling response of near-perfect and highly imperfect uniform-thickness thin cylindrical shells of varying length under combined uniform compression and bending. In particular, the elastic ovalization phenomenon in cylindrical shells of sufficient length under combined compression and bending was systematically investigated with finite elements for the first time. The study considered a representative range of practical lengths up to very long cylinders in which ovalization is fully developed under uniform bending and Euler column buckling controls under uniform axial compression. The imperfection sensitivity of the system was studied by introducing a single idealized axisymmetric weld depression imperfection at the midspan of the cylinder. The predictions permit an exploration of the nonlinear mechanics of the generally unfavorable interaction between bending and axial compression at the elastic nonlinear buckling limit state in thin long cylinders. The interaction is at its most unfavorable in cylinders where Euler column buckling is about to become critical, and is qualitatively very different from the favorable moment-force interaction at the reference plastic limit state of circular tubes. A simple closed-form algebraic characterization of the interaction is proposed considering both imperfections and ovalization. (C) 2020 American Society of Civil Engineers.

Keywords
Axial compressionBucklingCircular cylindersCollapseCombined loadingCylindersCylindrical shellCylindrical shellsFracture responseGeometric imperfectionsImperfection sensitivityLarge plastic-deformationLength effectsNonlinear stabilityOvalizatioOvalizationPressurResistanceSensitivityShells (structures)TubesUniform bending

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Journal Of Structural Engineering due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2020, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Mechanical Engineering. Notably, the journal is positioned above the 90th percentile.

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 3.15, which indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: Dimensions May 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-05-21, the following number of citations:

  • WoS: 5
  • Scopus: 9
  • OpenCitations: 9
Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-05-21:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 14 (PlumX).
Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: United Kingdom.

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (WANG, JIE) .