Sensitivity analysis for the cylindrical pressure vessel of 16MnR steel with the monte-carlo method

  • Jun Li*
  • , Zheng Zhang
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Probabilistic safety assessment procedure is used to evaluate the cylindrical pressure vessel of 16MnR steel, which regards defect sizes, mechanical properties and stresses as random variables. Monte-Carlo simulation is applied on calculating failure probability, which is based on the Chinese safety assessment procedure (GB/T 19624-2004). Sensitivity analysis is performed to estimate the effect of change in input parameters. The results show that failure probability may be influenced significantly by change in parameters concerning yield strength and film stress. Additionally, the different distributions of input parameters have an effect on failure probability.

Original languageEnglish
Title of host publicationMaterials Modeling, Simulation, and Characterization
PublisherTrans Tech Publications Ltd
Pages419-424
Number of pages6
ISBN (Print)9783037851739
DOIs
StatePublished - 2011

Publication series

NameMaterials Science Forum
Volume689
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Keywords

  • 16MnR
  • Distribution
  • Failure probability
  • Monte-Carlo
  • Sensitivity

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