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Stress Intensity Factor Solutions for Part-Throughwall Pipe Flaws

[+] Author Affiliations
Kerry M. Kidwell, Phillip Rush

MPR Associates, Inc.

Paper No. PVP2003-1985, pp. 23-28; 6 pages
doi:10.1115/PVP2003-1985
From:
  • ASME 2003 Pressure Vessels and Piping Conference
  • Fatigue, Fracture, and Damage Analysis
  • Cleveland, Ohio, USA, July 20–24, 2003
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4152-9
  • Copyright © 2003 by ASME

abstract

The need to quantify crack tip stress intensity solutions for complex stress states and geometries has forced the development of theoretical stress intensity solutions by numerical methods, such as finite element analysis (FEA). Using FEA, we developed a stress intensity handbook solution to the previously analyzed geometry of part-throughwall pipe flaws. This paper presents the results of this effort for infinitely long, axial internal flaws in cylinders. We also examined the mesh parameters that need to be considered to obtain reasonably accurate elastic mode I stress intensity solutions using the ANSYS finite element program.

Copyright © 2003 by ASME
Topics: Stress , Pipes

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