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Ji, Wooseok
Composite Materials and Structures Lab
Research Interests
  • Mechanics of composites
  • In situ experiments
  • Fracture mechanics
  • Computational solid mechanics
  • Advanced finite element methods
  • Static and dynamic stability of structures

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Accurate buckling load calculations of a thick orthotropic sandwich panel

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dc.contributor.author Ji, Wooseok ko
dc.contributor.author Waas, Anthony M. ko
dc.date.available 2014-12-23T00:09:12Z -
dc.date.created 2014-12-22 ko
dc.date.issued 2012-06 -
dc.identifier.citation COMPOSITES SCIENCE AND TECHNOLOGY, v.72, no.10, pp.1134 - 1139 ko
dc.identifier.issn 0266-3538 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/9568 -
dc.description.abstract This paper is concerned with the buckling of thick sandwich panels with orthotropic elastic face sheets bonded to a linear elastic orthotropic core. When such panels are analyzed for axial load carrying capacity, it is now commonplace to adopt the finite element method to carry out computations. The accuracy of the numerical results will depend not only on roundoff and algorithmic errors, but additionally on the approximations made in computing the incremental (second order) work associated in computing the change of configuration from the unbuckled to the buckled state. Here we show that, particularly for orthotropic thick sandwich structures, large errors can be incurred in computing buckling loads with available commercial software, unless the proper work conjugate measures of stress and strain with their stress-dependent tangential moduli are used in the buckling formulation. (C) 2012 Elsevier Ltd. All rights reserved. ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher ELSEVIER SCI LTD ko
dc.subject Sandwich ko
dc.subject Mechanical properties ko
dc.subject Computational mechanics ko
dc.subject Anisotropy ko
dc.subject Sandwich structures ko
dc.title Accurate buckling load calculations of a thick orthotropic sandwich panel ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84861578442 ko
dc.identifier.wosid 000305712300011 ko
dc.type.rims ART ko
dc.description.wostc 4 *
dc.date.tcdate 2015-05-06 *
dc.identifier.doi 10.1016/j.compscitech.2012.02.020 ko
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