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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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Dynamic bifurcation buckling of an impacted column

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Title
Dynamic bifurcation buckling of an impacted column
Author
Ji, WooseokWaas, Anthony M.
Issue Date
2008-10
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE, v.46, no.10, pp.958 - 967
Abstract
In this paper, the dynamic counterpart of the celebrated Euler buckling problem is formulated and solved by considering the case of a slender column that is impacted by a failing mass. We introduce a new notion, that of the time to buckle, "t(.)", which is the corresponding critical quantity analogous to the critical load in static Euler buckling. A set of experimental results previously presented by Gladden et al. [J.R. Gladden, N.Z. Handzy, A. Belmonte, E. Villermaux, Dynamic buckling and fragmentation in brittle rods, Physical Review Letters 94 (3) (2005) 035503], are used to illustrate the notions we introduce and as a means for comparison against the predictions of our work.
URI
https://scholarworks.unist.ac.kr/handle/201301/9571
DOI
10.1016/j.ijengsci.2008.04.003
ISSN
0020-7225
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