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Stress Categorization Using the Reference Two-Bar Structure

[+] Author Affiliations
M. M. Hossain, R. Adibi-Asl, R. Seshadri

Memorial University of Newfoundland, St. John’s, NL, Canada

Paper No. PVP2007-26784, pp. 505-515; 11 pages
  • ASME 2007 Pressure Vessels and Piping Conference
  • Volume 3: Design and Analysis
  • San Antonio, Texas, USA, July 22–26, 2007
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4281-9 | eISBN: 0-7918-3804-8
  • Copyright © 2007 by ASME


The ASME Boiler and Pressure Vessel Codes and Standards used for designing pressure vessel and piping provide guidelines to classify the linear elastic stresses into primary, secondary and peak categories. Although these guidelines cover a wide range of pressure components, they are sometimes difficult to apply to the three-dimensional components with complex loading and geometries. The concept of “reference two-bar structure” is used in this paper to categorize the stresses in pressure components and structures, using linear elastic finite element analyses. The method is applied to a number of components and structures from simple to relatively complex geometric configurations. The results compare well with those obtained from commercial finite element codes.

Copyright © 2007 by ASME
Topics: Stress



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