Probabilistic evaluation of tankship damage in collision events
Crake, Kurtis W.
MetadataShow full item record
An analytical method for precidicting the extent of damage in ship collisions is developed. The method calculates both the longitudinal and transverse extents of damage for the struck ship as a function of collision scenario parameters, such as ship speeds, relative courses, and collision impact point, as well as considering structural details of the ship. This prediction method, or collision model, is used in a Monte Carlo analysis with probability density functions defining the specific collision scenario parameters for each "case". The Monte Carlo analysis generates a statistically significant number of collision events and results which are applied directly to calculate oil outflow, and from which resultant pdfs for longitudinal and transverse extent of damage are calculated to compare structural concepts. The collision model scenario inputs are initially "calibrated" using a MARPOL single-hull model by minimizing the difference between the model result damage pdf's and the pdf's specified by the IMO. A quantitative comparison is made between structural models for an intermediate oil-tight deck (or "mid-deck") tanker, and a series of double-hull tankers based on calculated oil outflow parameters. Of the three ship designs studied, the double-hull series shows the best performance, followed closely by the mid-deck tanker. The single-hull ship results predict both more frequent and larger spills.
Submitted in partial fulfillment of the requirements for the degree of Master of Engineering at the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution June 1998
Suggested CitationThesis: Crake, Kurtis W., "Probabilistic evaluation of tankship damage in collision events", 1998-06, DOI:10.1575/1912/5374, https://hdl.handle.net/1912/5374
Showing items related by title, author, creator and subject.
Biomechanics of North Atlantic right whale bone : mandibular fracture as a fatal endpoint for blunt vessel-whale collision modeling Campbell-Malone, Regina (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2007-09)The North Atlantic right whale, Eubalaena glacialis, one of the most critically endangered whales in the world, is subject to high anthropogenic mortality. Vessel-whale collisions and entanglement in fishing gear were ...
Li, John Zhang (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2020-09)This thesis examines the transition of a vessel from the open ocean, where collisions are rare, to a high risk and heavy traffic area such as a Traffic Separation Scheme (TSS). Previous autonomy approaches generally view ...
Clift, Peter D.; Schouten, Hans A.; Vannucchi, Paola (2008-02-13)Subduction zones are both the source of most new continental crust and the locations where crustal material is returned to the upper mantle. Globally the total amount of continental crust and sediment subducted below ...