Probabilistic approach to applications of the R6 structural integrity assessment method

Wu, Hao; Zhong, Qunpeng; Ying, Yuan

doi:10.1016/0308-0161(94)00036-0

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Materials Science Forum Vol 6891

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“…Failure probability rises slowly with increase of the standard deviation µ . Being similar to this, sensitivity factors of any interest variables can be obtained by using the preceding method [20,21].…”

Section: Materials Science Forum Vol 689mentioning

confidence: 99%

Sensitivity Analysis for the Cylindrical Pressure Vessel of 16MnR Steel with the Monte-Carlo Method

Zhang

2011

MSF

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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.

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Section: Materials Science Forum Vol 689mentioning

confidence: 99%