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http://dx.doi.org/10.5139/JKSAS.2011.39.11.1005

Effect of Wrinkling on Failure Behavior of Thin Membranes  

Kim, Young-Ah (충북대학교 대학원 구조시스템공학과)
Woo, Kyeong-Sik (충북대학교 토목공학부)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.39, no.11, 2011 , pp. 1005-1012 More about this Journal
Abstract
In this paper, the effect of wrinkling on the failure behavior of thin membrane was studied using geometrically nonlinear shell element post-buckling analysis with global-local analysis strategy. In the analysis, double-edge notched and single-edge notched tensile specimen configurations were considered. The analyses were performed for both cases with allowing and suppressing the wrinkling deformation. The results were investigated focusing on the effect of wrinkle development on the variation of J-integral values at the cut tip. The effect of cut lengths and the specimen lengths were also systematically studied.
Keywords
Gossamer Flexible Structure; Membrane; Wrinkle; Failure; J-integral; DENT; SENT;
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