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Reference Volume Consideration in the mα-Tangent Method Based Linear Elastic Analysis

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

AMEC NSS, Toronto, ON, Canada

S. L. Mahmood, P. S. R. Gudimetla, R. Seshadri

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

Paper No. PVP2011-57822, pp. 301-310; 10 pages
  • ASME 2011 Pressure Vessels and Piping Conference
  • Volume 2: Computer Technology and Bolted Joints
  • Baltimore, Maryland, USA, July 17–21, 2011
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-4452-6
  • Copyright © 2011 by ASME


Limit loads for pressure components are determined on the basis of a single linear elastic finite element analysis by invoking the concept of kinematically active (reference) volume in the context of the “mα -tangent” method. The resulting technique enables rapid determination of lower bound limit load for pressure components by eliminating the kinematically inactive volume. This method is applied to a number of practical components with different percentages of inactive volume. The results are compared with the corresponding inelastic finite element results, or available analytical solutions.

Copyright © 2011 by ASME



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