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master's thesis
Parametarsko ljuljanje broda
2021. urn:nbn:hr:190:055504
Štimac, Ana
University of Rijeka
Faculty of Engineering
Department of Naval Architecture and Ocean Engineering
Section of Ship Design

Cite this document

Štimac, A. (2021). Parametarsko ljuljanje broda (Master's thesis). Rijeka: University of Rijeka, Faculty of Engineering. Retrieved from https://urn.nsk.hr/urn:nbn:hr:190:055504

Štimac, Ana. "Parametarsko ljuljanje broda." Master's thesis, University of Rijeka, Faculty of Engineering, 2021. https://urn.nsk.hr/urn:nbn:hr:190:055504

Štimac, Ana. "Parametarsko ljuljanje broda." Master's thesis, University of Rijeka, Faculty of Engineering, 2021. https://urn.nsk.hr/urn:nbn:hr:190:055504

Štimac, A. (2021). 'Parametarsko ljuljanje broda', Master's thesis, University of Rijeka, Faculty of Engineering, accessed 12 July 2024, https://urn.nsk.hr/urn:nbn:hr:190:055504

Štimac A. Parametarsko ljuljanje broda [Master's thesis]. Rijeka: University of Rijeka, Faculty of Engineering; 2021 [cited 2024 July 12] Available at: https://urn.nsk.hr/urn:nbn:hr:190:055504

A. Štimac, "Parametarsko ljuljanje broda", Master's thesis, University of Rijeka, Faculty of Engineering, Rijeka, 2021. Available at: https://urn.nsk.hr/urn:nbn:hr:190:055504

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Metadata
TitleParametarsko ljuljanje broda
Title (english)Ships parametric rolling
AuthorAna Štimac
MentorAnton Turk (mentor)
Committee memberAlbert Zamarin (predsjednik povjerenstva)
Committee memberMarko Hadjina (član povjerenstva)
Committee memberAnton Turk (član povjerenstva)
GranterUniversity of Rijeka
Faculty of Engineering
(Department of Naval Architecture and Ocean Engineering)
(Section of Ship Design)
Rijeka
Defense date and country2021-03-29, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Shipbuilding
Abstract
Cilj ovog rada bio je opisati parametarsko ljuljanje broda i uvjete koje je potrebno ispuniti da bi došlo do te pojave. Čimbenici koji utječu na parametarsko ljuljanje broda mogu se podijeliti na čimbenike ovisne o brodu ili o uvjetima okoliša. Čimbenici ovisni o brodu su vremenski promjenjive povratne komponente ljuljanja, vremenski promjenjive Froude-Krylove sile, prigušenja ljuljanja, prirodne frekvencije ljuljanja, promjena brzine napredovanja broda na valovima, promjena kursnog kuta, pobuđenje ljuljanja valovima i voda na palubi broda. Čimbenici okoliša su valna duljina, valna strmina, susretna frekvencija, grupa valova, širenje valova i nelinearnosti dodirne površine trupa broda i valova. Također, pregledana su provedena istraživanja u prošlosti i njihovi rezultati, kao i predložene metode predviđanja pojave parametarskog ljuljanja. Konačno, predložene su metode stabilizacije parametarske rezonancije ljuljanja.
Abstract (english)
The aim of this paper was to describe the parametric rolling of the ship and the conditions that need to be met for this phenomen to occur. Parametric roll of the ship is related to components which can be defined by ship or environment characteristics. Ship related characteristics are time varying roll restorin term, time varying Froude-Krylov forces, roll damping, natural frequency in roll, variation of speed the wave, variation of heading, roll wave excitation and water on deck. Environment related components are wave length, wave steepness, encounter frequency, wave groupiness, wave spreading and non-linearities in ship-wave intefrace. Also, the conducted research in the past and their results were reviewed, as well as the proposed methods for predicting the occurence of parametric oscillation. Finally, methods for stabilizing the parametric resonance of rolling are proposed.
Keywords
Languagecroatian
URN:NBNurn:nbn:hr:190:055504
Study programmeTitle: Graduate University Study of Naval Architecture
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra inženjer/inženjerka brodogradnje (magistar/magistra inženjer/inženjerka brodogradnje)
Type of resourceText
File originBorn digital
Access conditionsAccess restricted to students and staff of home institution
Terms of useLicence In copyright icon
Public noteKljučne riječi dodijelio administrator.
Created on2021-10-12 09:55:33