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Stress Concentration Factors of Cross-Bores in Thick Walled Cylinders and Square Blocks

[+] Author Affiliations
Ricky D. Dixon

E. I. DuPont de Nemours & Company, Wilmington, DE

Daniel T. Peters

Autoclave Engineers, Erie, PA

Jan G. M. Keltjens

DSM, Geleen, Netherlands

Paper No. PVP2002-1162, pp. 31-36; 6 pages
  • ASME 2002 Pressure Vessels and Piping Conference
  • High Pressure Technology
  • Vancouver, BC, Canada, August 5–9, 2002
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-1947-7
  • Copyright © 2002 by ASME


The purpose of this paper is to investigate the stress concentration in stress fields around crossbores for closed-end thick-walled square blocks and cylindrical shells using the finite element method. These stress concentration factors are presented and discussed as a function of the ratio of crossbore radius to the cylinder internal radius (HR/Ri = 0.01 to 0.7) for a range of wall ratios (Y = 1.5 to 5). Charts and simple expressions are provided for ease of use.

Copyright © 2002 by ASME



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