Probabilistička analiza uticaja slobodnog boka na stabilitet broda u oluji
Influence of freeboard on ship stability in rough weather: A probabilistic analysis
Апстракт
Slobodni bok morskih brodova određuje se pomoću determinističkih odredbi Međunarodne konvencije o teretnoj vodnoj liniji. U ovom radu, međutim, koristi se probabilistički postupak kako bi se ocenio uticaj slobodnog boka na dinamičku stabilnost broda u oluji. Serijom numeričkih eksperimenata, procenjuje se verovatnoća gubitka stabiliteta malog višenamenskog teretnog broda izloženog istovremenom dejstvu neregularnih bočnih talasa i udara stohastički promenljivog bočnog vetra, pri čemu je visina slobodnog boka sistematski varirana. Uticaj slobodnog boka kvantifikovan je opsegom metacentarskih visina pri kojima se brod može smatrati stabilnim sa probabilističke tačke gledišta. Rad predstavlja korak ka uspostavljanju procedure čijom bi se upotrebom u postupku projektovanja mogla postići bolja ravnoteža između sigurnosti i ekonomičnosti broda. PR Projekat Ministarstva nauke Republike Srbije, br. TR35009. The research presented in the paper was performed within the framework of the project: D...evelopment of next generation of safe, efficient, ecological (SE-ECO) ships, executed by Department of Naval Architecture, Faculty of Mechanical Engineering University of Belgrade.
Freeboard assignment for seagoing vessels is carried out according to the deterministic provisions of the International Convention on Load Lines. In present investigation, however, an attempt is made to evaluate the influence of freeboard on the dynamic stability of ships in storms using a probabilistic approach. The probability of a stability failure of a small multipurpose cargo ship exposed to irregular beam waves and stochastic beam wind is estimated in a series of numerical experiments, whereby the freeboard of the examined vessel is systematically varied. The effect of freeboard is quantified in terms of a range of metacentric heights ensuring sufficient stability from the probabilistic point of view. The paper presents a step towards a procedure that could enable a better balance of safety and cost-efficiency in the ship design framework.
Кључне речи:
Stochastic wind / Ship stability / Ship freeboard / Probabilistic analysis / Nonlinear rollИзвор:
FME Transactions, 2017, 45, 1, 45-50Издавач:
- Univerzitet u Beogradu - Mašinski fakultet, Beograd
Финансирање / пројекти:
- Развој нове генерације сигурних, ефикасних, еколошких (SE-ECO) бродова (RS-MESTD-Technological Development (TD or TR)-35009)
DOI: 10.5937/fmet1701045B
ISSN: 1451-2092
WoS: 000408082100007
Scopus: 2-s2.0-85011340345
Колекције
Институција/група
Mašinski fakultetTY - JOUR AU - Bačkalov, Igor AU - Rudaković, Stefan PY - 2017 UR - https://machinery.mas.bg.ac.rs/handle/123456789/2555 AB - Slobodni bok morskih brodova određuje se pomoću determinističkih odredbi Međunarodne konvencije o teretnoj vodnoj liniji. U ovom radu, međutim, koristi se probabilistički postupak kako bi se ocenio uticaj slobodnog boka na dinamičku stabilnost broda u oluji. Serijom numeričkih eksperimenata, procenjuje se verovatnoća gubitka stabiliteta malog višenamenskog teretnog broda izloženog istovremenom dejstvu neregularnih bočnih talasa i udara stohastički promenljivog bočnog vetra, pri čemu je visina slobodnog boka sistematski varirana. Uticaj slobodnog boka kvantifikovan je opsegom metacentarskih visina pri kojima se brod može smatrati stabilnim sa probabilističke tačke gledišta. Rad predstavlja korak ka uspostavljanju procedure čijom bi se upotrebom u postupku projektovanja mogla postići bolja ravnoteža između sigurnosti i ekonomičnosti broda. PR Projekat Ministarstva nauke Republike Srbije, br. TR35009. The research presented in the paper was performed within the framework of the project: Development of next generation of safe, efficient, ecological (SE-ECO) ships, executed by Department of Naval Architecture, Faculty of Mechanical Engineering University of Belgrade. AB - Freeboard assignment for seagoing vessels is carried out according to the deterministic provisions of the International Convention on Load Lines. In present investigation, however, an attempt is made to evaluate the influence of freeboard on the dynamic stability of ships in storms using a probabilistic approach. The probability of a stability failure of a small multipurpose cargo ship exposed to irregular beam waves and stochastic beam wind is estimated in a series of numerical experiments, whereby the freeboard of the examined vessel is systematically varied. The effect of freeboard is quantified in terms of a range of metacentric heights ensuring sufficient stability from the probabilistic point of view. The paper presents a step towards a procedure that could enable a better balance of safety and cost-efficiency in the ship design framework. PB - Univerzitet u Beogradu - Mašinski fakultet, Beograd T2 - FME Transactions T1 - Probabilistička analiza uticaja slobodnog boka na stabilitet broda u oluji T1 - Influence of freeboard on ship stability in rough weather: A probabilistic analysis EP - 50 IS - 1 SP - 45 VL - 45 DO - 10.5937/fmet1701045B ER -
@article{ author = "Bačkalov, Igor and Rudaković, Stefan", year = "2017", abstract = "Slobodni bok morskih brodova određuje se pomoću determinističkih odredbi Međunarodne konvencije o teretnoj vodnoj liniji. U ovom radu, međutim, koristi se probabilistički postupak kako bi se ocenio uticaj slobodnog boka na dinamičku stabilnost broda u oluji. Serijom numeričkih eksperimenata, procenjuje se verovatnoća gubitka stabiliteta malog višenamenskog teretnog broda izloženog istovremenom dejstvu neregularnih bočnih talasa i udara stohastički promenljivog bočnog vetra, pri čemu je visina slobodnog boka sistematski varirana. Uticaj slobodnog boka kvantifikovan je opsegom metacentarskih visina pri kojima se brod može smatrati stabilnim sa probabilističke tačke gledišta. Rad predstavlja korak ka uspostavljanju procedure čijom bi se upotrebom u postupku projektovanja mogla postići bolja ravnoteža između sigurnosti i ekonomičnosti broda. PR Projekat Ministarstva nauke Republike Srbije, br. TR35009. The research presented in the paper was performed within the framework of the project: Development of next generation of safe, efficient, ecological (SE-ECO) ships, executed by Department of Naval Architecture, Faculty of Mechanical Engineering University of Belgrade., Freeboard assignment for seagoing vessels is carried out according to the deterministic provisions of the International Convention on Load Lines. In present investigation, however, an attempt is made to evaluate the influence of freeboard on the dynamic stability of ships in storms using a probabilistic approach. The probability of a stability failure of a small multipurpose cargo ship exposed to irregular beam waves and stochastic beam wind is estimated in a series of numerical experiments, whereby the freeboard of the examined vessel is systematically varied. The effect of freeboard is quantified in terms of a range of metacentric heights ensuring sufficient stability from the probabilistic point of view. The paper presents a step towards a procedure that could enable a better balance of safety and cost-efficiency in the ship design framework.", publisher = "Univerzitet u Beogradu - Mašinski fakultet, Beograd", journal = "FME Transactions", title = "Probabilistička analiza uticaja slobodnog boka na stabilitet broda u oluji, Influence of freeboard on ship stability in rough weather: A probabilistic analysis", pages = "50-45", number = "1", volume = "45", doi = "10.5937/fmet1701045B" }
Bačkalov, I.,& Rudaković, S.. (2017). Probabilistička analiza uticaja slobodnog boka na stabilitet broda u oluji. in FME Transactions Univerzitet u Beogradu - Mašinski fakultet, Beograd., 45(1), 45-50. https://doi.org/10.5937/fmet1701045B
Bačkalov I, Rudaković S. Probabilistička analiza uticaja slobodnog boka na stabilitet broda u oluji. in FME Transactions. 2017;45(1):45-50. doi:10.5937/fmet1701045B .
Bačkalov, Igor, Rudaković, Stefan, "Probabilistička analiza uticaja slobodnog boka na stabilitet broda u oluji" in FME Transactions, 45, no. 1 (2017):45-50, https://doi.org/10.5937/fmet1701045B . .