Effects of loading fields on marine objects

Žiha, Kalman (2010) Effects of loading fields on marine objects. = Effects of loading fields on marine objects. Journal of Ship Production, 26 (4). pp. 252-264. ISSN 8756-1417. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. . Točan broj autora: 1.

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This technical note evokes directionally nonuniformloading field effects on exposures of marine objects and structures in service under environmental conditions. The note firstly reveals the statistical variability of distributions of probabilities and the entropy concept of uncertainty of systems of events for identification, ordering and presentation of probabilistic seasonal nonuniformities of wind wave loading fields. This paper provides diagram of variability of wind wave directions and the chart of ocean-wide directional nonuniformities compiled from the Global Wave Statistics (GWS). It also considers seasonal loading field distributions of wind wave heights against wave directions as well as methods for calculation and presentation of directional exposabilities of marine objects and structures. The study introduces two methods for favorable placement and selection of sustainable directions of marine objects and structures exposed seasonally to nonuniform wind wave loading fields based on criteria for minimal average exposure and on robust uniform exposures during service period. The note elaborates examples of favorable placement of a marine object on six piles near the east Brazilian coast and of an oil tanker in the Gulf of Mexico. The note at the end illustrates the use of the multiple-criteria approach either to support decisions about optimal placement and sustainable headings to waves or for avoidance of unfavorable directional field effects and their combination on marine objects and structures.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): Loads; Operations; Safety; Shipmotions; Weather; Mechanical waves; Ocean engineering; Oceanography; Oil tankers; Probability distributions; Safety engineering; Loading
Subjects: TECHNICAL SCIENCE > Shipbuilding
Divisions: 600 Department of Naval Engineering and Marine Technology > 640 Chair of Shipbuilding Technology
Indexed in Web of Science: No
Indexed in Current Contents: No
Citations SCOPUS: 0 (08.11.2017.)
Date Deposited: 15 Apr 2015 09:01
Last Modified: 08 Nov 2017 10:50
URI: http://repozitorij.fsb.hr/id/eprint/3648

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