The Torsional Impact Response of a Thick-Walled Cylinder with a Circumferential Edge Crack

Kenji Mikata, Yasuhide Shindo, Akira Atsumi

Research output: Contribution to journalArticlepeer-review

Abstract

The torsional impact response of a thick-walled cylinder with a circumferential edge crack is considered. Laplace and Hankel transforms are used to reduce the elasto-dynamic problem to a pair of dual integral equations. The dual integral equations are solved by using an integral transform technique, and the result is expressed in terms of a singular integral equation of the first, kind. The kernel of the integral equation is improved in order that the calculation may be made easy. A numerical Laplace inversion routine is used to recover the time dependence of the solution. The dynamic singular stress field is determined, and the numerical results on the dynamic stress intensity factor are obtained to show the influence of inertia, geometry, and their interactions.

Original languageEnglish
Pages (from-to)519-524
Number of pages6
JournalTransactions of the Japan Society of Mechanical Engineers Series A
Volume52
Issue number474
DOIs
Publication statusPublished - 1986 Jan 1

Keywords

  • Circumferential Edge Crack
  • Dynamic Stress Intensity Factor
  • Elasticity
  • Singular Integral Equation
  • Thick-Walled Cylinder
  • Torsional Impact Response

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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