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Harnessing energy landscape exploration to control the buckling of cylindrical shells [dataset] Open Access

Even for relatively simple thin shell morphologies, many different buckled configurations can be stable simultaneously. Which state is observed in practice is highly sensitive to both environmental perturbations and shell imperfections. The complexity and unpredictability of postbuckling responses has therefore raised great challenges to emerging technologies exploiting buckling transitions. Here we show how the buckling landscapes can be explored through a comprehensive survey of the stable states and the transition mechanisms between them, which we demonstrate for cylindrical shells. This is achieved by combining a simple and versatile triangulated lattice model with efficient high-dimensional free-energy minimisation and transition path finding algorithms. We then introduce the method of landscape biasing to show how the landscapes can be exploited to exert control over the postbuckling response, and develop structures which are resistant to lateral perturbations. These methods now offer the potential for studying complex buckling phenomena on a range of elastic shells.

Descriptions

Resource type
Dataset
Contributors
Creator: Panter, Jack 1
Contact person: Panter, Jack 1
Creator: Kusumaatmaja, Halim 1
Contact person: Kusumaatmaja, Halim 1
Creator: Zhang, Teng 2
Creator: Chen, Junbo 2
1 Durham University, South Road, Durham, DH1 3LE, UK
2 Syracuse University, Syracuse, NY 13244, USA
Funder
Engineering and Physical Sciences Research Council
Research methods
Other description
Keyword
Engineering
Soft matter
Energy landscapes
Landscape biasing
Nonlinear mechanics
Subject
Location
Language
Cited in
doi:10.1038/s42005-019-0251-4
Identifier
ark:/32150/r1bg257f06h
doi:10.15128/r1bg257f06h
Rights
Creative Commons Attribution 4.0 International (CC BY)

Publisher
Durham University
Date Created

File Details

Depositor
J.R. Panter
Date Uploaded
Date Modified
11 December 2019, 17:12:18
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File format: zip (ZIP Format)
Mime type: application/zip
File size: 1355525
Last modified: 2019:12:11 15:58:12+00:00
Filename: buckling_landscapes_data.zip
Original checksum: 1d2297c2c82c7a90174665c739379aad
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User J.R. Panter has updated Harnessing energy landscape exploration to control the buckling of cylindrical shells [dataset] 3 months ago
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