Reliability Analysis for Stiffened Plate on the Maximum Entropy Method

Jian He; Xiao Yan Chen

doi:10.4028/www.scientific.net/KEM.525-526.361

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 525-526Reliability Analysis for Stiffened Plate on the...

Reliability Analysis for Stiffened Plate on the Maximum Entropy Method

Abstract:

Stiffened plate is widely used in vessel structure because of its high bearing capacity and low weight so the research of failure probability for stiffened plate under explosion load has important engineering meaning. Stiffened plate under near-field explosion is taken as research subject, dynamite density and yield stress of plate are selected as random variables, the original values of one hundred groups of random variables are gotten through the random number generation program, and the moments of random variables are obtained. Based on failure criterion of displacement ductility, the performance function of structure is established, probability density function of performance function is fitted using maximum entropy method then the failure probability of stiffened plate structure is obtained. So as to solve the problem of calculate failure probability when the sample size is small and the probability density function is unknown.

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Periodical:

Key Engineering Materials (Volumes 525-526)

Pages:

361-364

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.525-526.361

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Online since:

November 2012

Authors:

Jian He, Xiao Yan Chen

Keywords:

Cross Stiffened Plate, Failure Probability, Maximum Entropy Method, Near-Field Explosion

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