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Robustness Criteria for Safety Enhancement of Ship’s Structural Components

Branko Blagojević orcid id ; University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, R. Boškovića 32, 21000 Split, Croatia
Kalman Žiha orcid id ; University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Ivana Lučića 5, 10000 Zagreb, Croatia

Puni tekst: engleski pdf 381 Kb

str. 11-17

preuzimanja: 408



The paper describes an application of the probabilistic event oriented system analysis to the design of ship structural components with the aim to evoke the possible usage of reliability theories in the design practice. The basic concepts of events analysis and of system robustness are summarized at the beginning. The system robustness takes on the entropy concept in probability and information theory in order to ensure the most uniform distribution of safety of failure events of structural components in ship’s service. At the end, the paper presents in details an example of robustness maximization of a typical ship structural component under number of design failure criteria. The example corroborates that it is possible to fi nd structural confi guration with more uniform distribution of safety on the basis of robustness criteria.

Ključne riječi

robustness, entropy, reliability, structural design, ship structures

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