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doctoral thesis
The assessment of ship damage consequences by a fast simulation of compartments flooding
doctoral dissertation
2021. urn:nbn:hr:190:127196
Braidotti, Luca
University of Rijeka
Faculty of Engineering

Cite this document

Braidotti, L. (2021). The assessment of ship damage consequences by a fast simulation of compartments flooding : doctoral dissertation (Doctoral thesis). Rijeka: University of Rijeka, Faculty of Engineering. Retrieved from https://urn.nsk.hr/urn:nbn:hr:190:127196

Braidotti, Luca. "The assessment of ship damage consequences by a fast simulation of compartments flooding : doctoral dissertation." Doctoral thesis, University of Rijeka, Faculty of Engineering, 2021. https://urn.nsk.hr/urn:nbn:hr:190:127196

Braidotti, Luca. "The assessment of ship damage consequences by a fast simulation of compartments flooding : doctoral dissertation." Doctoral thesis, University of Rijeka, Faculty of Engineering, 2021. https://urn.nsk.hr/urn:nbn:hr:190:127196

Braidotti, L. (2021). 'The assessment of ship damage consequences by a fast simulation of compartments flooding : doctoral dissertation', Doctoral thesis, University of Rijeka, Faculty of Engineering, accessed 26 November 2024, https://urn.nsk.hr/urn:nbn:hr:190:127196

Braidotti L. The assessment of ship damage consequences by a fast simulation of compartments flooding : doctoral dissertation [Doctoral thesis]. Rijeka: University of Rijeka, Faculty of Engineering; 2021 [cited 2024 November 26] Available at: https://urn.nsk.hr/urn:nbn:hr:190:127196

L. Braidotti, "The assessment of ship damage consequences by a fast simulation of compartments flooding : doctoral dissertation", Doctoral thesis, University of Rijeka, Faculty of Engineering, Rijeka, 2021. Available at: https://urn.nsk.hr/urn:nbn:hr:190:127196

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Metadata
TitleThe assessment of ship damage consequences by a fast simulation of compartments flooding : doctoral dissertation
Title (croatian)Procjena posljedica oštećenja broda brzom simulacijom naplavljivanja odjeljaka : doktorska disertacija
AuthorLuca Braidotti https://orcid.org/0000-0003-0255-6822
MentorJasna Prpić-Oršić (mentor)
MentorMarko Valčić (komentor)
Committee memberRoko Dejhalla (predsjednik povjerenstva)
Committee memberAnton Turk (član povjerenstva)
Committee memberJoško Parunov (član povjerenstva)
GranterUniversity of Rijeka
Faculty of Engineering
Rijeka
Defense date and country2021-11-25, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Shipbuilding
Universal decimal classification
(UDC)		629.5 - Watercraft engineering
Abstract
Na temelju signala senzora naplavljivanja u posljednje se vrijeme simulira tijek naplavljivanja kod hitnih slučajeva na brodu, a sve sa ciljem stvaranja podrške pri donošenju odluka odgovornih članova posade. Da bi simulacija bila učinkovita, ista mora biti dovoljno točna, ali i dovoljno brza bez značajnijih računalnih zahtjeva. Nova matematička formulacija temeljena na linearizaciji jednadžbi modela naplavljivanja može poboljšati oba ova sukobljena zahtjeva. Na taj se način predložena metoda znatno lakše može primijeniti kada je vrijeme izračuna ograničeno ili kada se mora provesti velik broj simulacija naplavljivanja. Osim toga, baze podataka koje sadrže rezultate simulacija naplavljivanja mogu se uz algoritme strojnog učenja adekvatno koristiti za procjenu posljedica scenarija štete (konačni ishod, vrijeme naplavljivanja odjeljaka) samo na temelju vremenskog zapisa položaja i orijentacije plutajućeg broda (poprečni nagib broda, trim i uron). Predložena metoda može biti osnova za novu generaciju sustava za donošenje odluka na brodu, koji ne zahtijevaju ugradnju senzora naplavljivanja, što pak omogućuje jeftinu nadogradnju postojećih brodova.
Abstract (english)
Recently, progressive flooding simulations have been applied onboard to support decisions during emergencies based on the outcomes of flooding sensors. To this end, both simulation accuracy and low computational effort are essential. A new mathematical formulation based on governing equations’ linearization can improve both these conflicting requirements, being more easily applied when calculation time is limited or a large number of flooding simulation has to be carried out. Besides, databases of flooding simulations together with machine learning algorithms can be exploited to assess the consequences of a damage scenario (final fate, flooded compartments time-to-flood) based only on the time evolution of the ship floating position (heel, trim and sinkage). The proposed method can be the base for a new generation of onboard decision support systems, which does not require the installation of flooding sensors, enabling cheap retrofit on most of the existing fleet.
Keywords
Keywords (english)
Languageenglish
URN:NBNurn:nbn:hr:190:127196
Promotion2021
Study programmeTitle: Postgraduate university (doctoral) study
Study programme type: university
Study level: postgraduate
Academic / professional title: doktor/doktorica znanosti, područje tehničkih znanosti (doktor/doktorica znanosti, područje tehničkih znanosti)
Type of resourceText
ExtentIX, 173 str. ; 30 cm
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2021-12-03 11:00:37