A Practical Guide to Damage Stability Assessment – Regulation on Damage Stability

The paper reviews the design procedure and recent work published on the topic of the damage stability and the safety assessment criteria that is established accordingly. The available damage scenarios must be designed prior to the safety assessment of a damaged ship. Another aspect of the discussions is an opinion on some problematic aspects of the damage stability regulations with practical aspects presented in literature very sparse and the fact that different computer programs may give divers outcomes. A little review on the damage stability requirements with its new regulations is given. Stability assessment is performed on a selected container ship using the Maxsurf software for both the intact and damage condition of the vessel, while the parameters related to damage stability are identified and categorized when developing deterministic and probabilistic damage scenarios.

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SESSION 3A: SHIPBOARD DAMAGE STABILITY ASSESSMENT: FLOODING CASUALTY CONTROL SOFTWARE

Naval Engineers Journal ◽

10.1111/j.1559-3584.1993.tb02307.x ◽

1993 ◽

Vol 105 (4) ◽

pp. 114-114

Author(s):

E. Henn ◽

James W. Meyer ◽

Peter B. Zahn ◽

John Rosborough ◽

Richard Carlstrom

Keyword(s):

Stability Assessment ◽

Control Software ◽

Damage Stability

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Assessment of Survivability of Surface Combatants after Damage in the Sea Environment

Journal of Ship Production and Design ◽

10.5957/jspd.2017.33.2.156 ◽

2017 ◽

Vol 33 (02) ◽

pp. 156-165

Author(s):

Evangelos Boulougouris ◽

Stuart Winnie ◽

Apostolos Papanikolaou

Keyword(s):

North Atlantic ◽

Probabilistic Approach ◽

Weather Conditions ◽

Operating Conditions ◽

Stability Assessment ◽

Stability Criteria ◽

The North ◽

Damage Stability ◽

Damaged Stability ◽

The North Pacific

The operating conditions of modern warships, in the natural sea environment, have a significant influence on their survivability in the event that watertight integrity is lost. Up to now, the consideration of sea and weather conditions has been implicitly accounted for in a naval ship's damaged stability assessment. This article outlines a probabilistic approach to assessing a naval ship's damage stability, in which some of the limitations of the currently used damage stability criteria are identified, including the validity of the assumption of moderate sea states at the time of damage. An investigation of the operability of a frigate design found that there is a significant increase in the risk of a ship's loss when changing the operational area from the North Atlantic to the North Pacific. A remarkable additional finding of the study showed that the assumed distribution for the damage penetration has no significant effect on the ship's survivability because of the way modern combatants are designed.

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Enlarging the Cargo Hold of a Multi Purpose Vessel by Structural Reinforcement Complying With the SOLAS Regulations

29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 2 ◽

10.1115/omae2010-20087 ◽

2010 ◽

Author(s):

Santiago Uhlenbrock ◽

Leshan Zhang

Keyword(s):

Structural Strength ◽

Probabilistic Method ◽

Cost Benefit ◽

Optimized Design ◽

Stability Assessment ◽

Structural Reinforcement ◽

Damage Stability ◽

Reference Design ◽

Approval Procedure ◽

Double Hull

The strict regulations of the actual SOLAS regarding damage stability may sometimes interfere with the design wishes of the ship owners. A reason may be that the approach stated in the SOLAS regulation is merely a probabilistic method. In this study the application of an alternative approval procedure to the pure probabilistic SOLAS damage stability calculations is presented. The procedure differs from probabilistic SOLAS regulations in the form that it considers the structural strength characteristics of the vessel design within damage stability assessment. A multi purpose vessel (MPV) with one large cargo hold is analyzed. A reference design complying with SOLAS regulations with a double hull width of 2.2m is optimized based on the alternative approval procedure and it is shown that the optimized design with ice class reinforcement and a double hull width of 1.5m has an equivalent level of safety. Thus, the double hull width could be reduced by 40% and the cargo hold breadth could be enlarged by 10%. This latter fact may be of particular interest for ship owners and designers as the flexibility of utilization of the vessel could lead to an improved cost benefit.

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The probabilistic approach for the damage stability assessment: An application case in the specific field of megayacht units

Maritime Technology and Engineering ◽

10.1201/b17494-121 ◽

2014 ◽

pp. 1137-1144

Keyword(s):

Probabilistic Approach ◽

Stability Assessment ◽

Specific Field ◽

Damage Stability

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Foran Application on Damage Stability Assessment on a Container Vessel

Journal of Maritime & Transportation Science ◽

10.18048/2020.00.17. ◽

2020 ◽

Vol 3 (3) ◽

pp. 227-238

Author(s):

TOmislav Staničić ◽

Mirko Toman Fernandez ◽

Anton Turk ◽

Damir Kolić

Keyword(s):

Safety Assessment ◽

Probability Distributions ◽

Design Procedure ◽

Container Ship ◽

Stability Assessment ◽

Training Process ◽

Damage Stability ◽

Technical Details ◽

Automated Simulation ◽

And Training

The paper focuses on two aspects. One is SENER incentives to work with the educational community by providing the FORAN software as a collaboration mean that centres on helping to develop the FORAN system, and the other way around the use of the FORAN system for academic purposes in universities, to improve and complement the teaching and training process for students. The second part of the paper focuses more on a technical details on the design procedure for the damage stability and the safety assessment criteria that is established accordingly. Stability assessment is performed using the FORAN software, with the creation of explicit damage events by a fully automated simulation, established from the uniformly distributed random numbers with given probability distributions for size and position of damage and an example on a container ship presented.

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