A work criterion for plastic collapse

Martin Muscat, D. Mackenzie, R. Hamilton

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

A new criterion for evaluating limit and plastic loads in pressure vessel design by analysis is presented. The proposed criterion is based on the plastic work dissipated in the structure as loading progresses and may be used for structures subject to a single load or a combination of multiple loads. Example analyses show that limit and plastic loads given by the plastic work criterion are robust and consistent. The limit and plastic loads are determined purely by the inelastic response of the structure and are not influenced by the initial elastic response: a problem with some established plastic criteria.
LanguageEnglish
Pages49-58
Number of pages9
JournalInternational Journal of Pressure Vessels and Piping
Volume80
Issue number1
DOIs
Publication statusPublished - 2003

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Plastics
Pressure vessels

Keywords

  • plastic collapse
  • limit load
  • design by analysis
  • finite element analysis
  • mechanical engineering
  • plastics

Cite this

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A work criterion for plastic collapse. / Muscat, Martin; Mackenzie, D.; Hamilton, R.

In: International Journal of Pressure Vessels and Piping, Vol. 80, No. 1, 2003, p. 49-58.

Research output: Contribution to journalArticle

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AU - Muscat, Martin

AU - Mackenzie, D.

AU - Hamilton, R.

PY - 2003

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AB - A new criterion for evaluating limit and plastic loads in pressure vessel design by analysis is presented. The proposed criterion is based on the plastic work dissipated in the structure as loading progresses and may be used for structures subject to a single load or a combination of multiple loads. Example analyses show that limit and plastic loads given by the plastic work criterion are robust and consistent. The limit and plastic loads are determined purely by the inelastic response of the structure and are not influenced by the initial elastic response: a problem with some established plastic criteria.

KW - plastic collapse

KW - limit load

KW - design by analysis

KW - finite element analysis

KW - mechanical engineering

KW - plastics

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M3 - Article

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EP - 58

JO - International Journal of Pressure Vessels and Piping

T2 - International Journal of Pressure Vessels and Piping

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