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Multiple wrinkling mode transitions in axially compressed cylindrical shell-substrate in dynamics
Lavrenčič, Marko (Author), Brank, Boštjan (Author), Brojan, Miha (Author)

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Abstract
We propose an efficient computational model for predicting the surface wrinkling in axially compressed bi-layer cylindrical shell-substrate composites. To capture the transitions between the wrinkling modes in the far post-buckling regime, we use implicit dynamics. In this context we apply a generalized and an energy-decaying time stepping schemes that numerically dissipate in the high frequency range. The other components of the model are a geometrically exact, rotation-less, nonlinear shell finite element for the cylinder and an elastic foundation that represents the substrate. We show that the proposed computational model predicts the wrinkling pattern transition from axisymmetric to diamond-like mode, which is consistent with the numerical and laboratory experiments reported earlier. Furthermore, the results of our computational model show the existence of several diamond-like mode jumps in the post-buckling regime, a result that has not yet been reported for the axially compressed shell-substrate cylinders.

Language:English
Keywords:civil engineering, thin-walled structures, shell-substrate cylindrical composite, axial compression, wrinkling pattern transition, mode jumping, dissipative implicit dynamics schemes
Work type:Scientific work (r2)
Tipology:1.01 - Original Scientific Article
Organization:FGG - Faculty of Civil and Geodetic Engineering
Year:2020
Number of pages:str. 1-12
Numbering:Letn. 150, št. 1, 106700
UDC:624.07
ISSN on article:0263-8231
DOI:10.1016/j.tws.2020.106700 This link opens in a new window
COBISS.SI-ID:9108321 This link opens in a new window
Views:378
Downloads:47
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Record is a part of a journal

Title:Thin-walled structures
Shortened title:Thin-walled struct.
Publisher:Elsevier
ISSN:0263-8231
COBISS.SI-ID:26529536 This link opens in a new window

Document is financed by a project

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P2-0210
Name:E-Gradbeništvo

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:01.06.2020

Secondary language

Language:Slovenian
Keywords:gradbeništvo, gradbene konstrukcije, cilindrični kompozit iz lupine in substrata, osni tlak, preskok oblike

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