Inertia-induced radial confinement in an elastic tubular specimen subjected to axial strain acceleration

M. Zhang, Q. M. Li*, F. L. Huang, H. J. Wu, Y. B. Lu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)

Abstract

This paper extends the study in [10] on the stress state in an elastic solid specimen subjected to axial strain acceleration to a tubular cylindrical specimen. A perturbation solution is presented, based on which, it is found that the radial confinement stress induced by the compressive axial strain acceleration decreases with the increase of the inner radius of the tubular specimen. It is shown that the radial stress distribution predicted by perturbation solution can be used to estimate the distribution of the maximum radial stress in tubular specimen. The solutions presented in this paper can be used to estimate the radial confinement stress and additional axial stress due to the existence of axial strain acceleration in split Hopkinson pressure bar tests of brittle materials using tubular specimens.

Original languageEnglish
Pages (from-to)459-464
Number of pages6
JournalInternational Journal of Impact Engineering
Volume37
Issue number4
DOIs
Publication statusPublished - Apr 2010

Keywords

  • Brittle materials
  • Compressive axial strain acceleration
  • Radial confinement
  • Split Hopkinson pressure bar
  • Tubular specimen

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