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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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The Temporal Evolution of Buckling in a Dynamically Impacted Column

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Title
The Temporal Evolution of Buckling in a Dynamically Impacted Column
Author
Ji, WooseokWaas, Anthony M.
Keywords
buckling; dynamic; wave propagation; impact; slender columns
Issue Date
2013-01
Publisher
ASME-AMER SOC MECHANICAL ENG
Citation
JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME, v.80, no.1, pp.1 - 7
Abstract
The time-dependent progressive evolution of transverse displacements of an axially impacted, slender, geometrically imperfect, column is studied here. The analysis is concerned with evaluating the time-history associated with the evolution of the buckling response as a function of the initial geometric imperfection amplitude. The exact solution of the axial stress wave propagation is employed to study the physics of the buckling response with the nonuniform axial strain distribution varying in time and space. The responses of axially impacted columns are examined in light of past experimental results and associated numerical solutions. Results in the present paper are limited to elastic column behavior.
URI
https://scholarworks.unist.ac.kr/handle/201301/9567
DOI
10.1115/1.4006946
ISSN
0021-8936
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