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http://dx.doi.org/10.26748/KSOE.2020.054

Reliability Analysis for Structure Design of Automatic Ocean Salt Collector Using Sampling Method of Monte Carlo Simulation  

Song, Chang Yong (Department of Naval Architecture and Ocean Engineering, Mokpo National University)
Publication Information
Journal of Ocean Engineering and Technology / v.34, no.5, 2020 , pp. 316-324 More about this Journal
Abstract
This paper presents comparative studies of reliability analysis and meta-modeling using the sampling method of Monte Carlo simulation for the structure design of an automatic ocean salt collector (AOSC). The thickness sizing variables of structure members are considered as random variables. Probabilistic performance functions are selected from strength performances evaluated via the finite element analysis of an AOSC. The sampling methods used in the comparative studies are simple random sampling and Sobol sequences with varied numbers of sampling. Approximation methods such as the Kriging model is applied to the meta-model generation. Reliability performances such as the probability failure and distribution are compared based on the variation of the sampling method of Monte Carlo simulation. The meta-modeling accuracy is evaluated for the Kriging model generated from the Monte Carlo simulation and Sobol sequence results. It is discovered that the Sobol sequence method is applicable to not only to the reliability analysis for the structural design of marine equipment such as the AOSC, but also to Kriging meta-modeling owing to its high numerical efficiency.
Keywords
Monte Carlo simulation; Sampling method; Reliability analysis; Meta-model; Automatic ocean salt collector;
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Times Cited By KSCI : 2  (Citation Analysis)
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