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Determination of Shakedown Limit Loads for a Cylindrical Vessel–Nozzle Intersection via a Simplified Technique

[+] Author Affiliations
Hany F. Abdalla, Maher Y. A. Younan

The American University in Cairo, Cairo, Egypt

Mohammad M. Megahed

Cairo University, Cairo, Egypt

Paper No. PVP2011-57108, pp. 833-844; 12 pages
  • ASME 2011 Pressure Vessels and Piping Conference
  • Volume 3: Design and Analysis
  • Baltimore, Maryland, USA, July 17–21, 2011
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-4453-3
  • Copyright © 2011 by ASME


In the current research, the shakedown limit loads for a cylindrical vessel–nozzle intersection is determined via a simplified technique. The cylindrical vessel–nozzle intersection is subjected to a spectrum of steady internal pressure magnitudes and cyclic in–plane bending moments on the nozzle. The determined shakedown limit loads are utilized to generate the Bree diagram of the cylindrical vessel–nozzle intersection. In addition, the maximum moment carrying capacity (limit moments) and the elastic limit loads are determined and imposed on the Bree diagram of the structure. The simplified technique outcomes showed excellent correlation with the results of full elastic–plastic cyclic loading finite element simulations.

Copyright © 2011 by ASME



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