Stress linearization concepts and restrictions in elastic design by analysis

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Abstract

Stress linearization is widely used in Pressure vessel Design by Analysis based on elastic stress analysis and stress categorization. This paper investigates the structural mechanics basis of stress linearization in the context of limit and shakedown analysis and proposes a new basis for the procedure that relates the stress along a line to the concept of limit load. This removes the need for some conceptual requirements associated with shell analysis from stress linearization, including restriction of SCL location to identified bending planes. It also introduces the concept of selecting stress distributions representative of the limit state to remove the need for some elements of stress categorization in the design procedure.
Original languageEnglish
Title of host publicationASME 2017 Pressure Vessels and Piping Conference (PVP2017)
Place of PublicationNew York
Number of pages8
DOIs
Publication statusAccepted/In press - 21 Mar 2017
EventASME Pressure Vessels & Piping Conference 2017 - Hilton Waikoloa Village, Waikoloa, Hawaii, United States
Duration: 16 Jul 201720 Jul 2017
Conference number: 2017
https://www.asme.org/events/pvp

Conference

ConferenceASME Pressure Vessels & Piping Conference 2017
Abbreviated titleASME PVP
CountryUnited States
CityWaikoloa, Hawaii
Period16/07/1720/07/17
Internet address

Keywords

  • stress categorization
  • stress linearization
  • limit and shakedown analysis
  • limit load
  • pressure vessel design by analysis

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