Crushing of ship bows in head-on collision

H. Ocakli, S. Zhang, Preben Terndrup Pedersen

Research output: Contribution to journalJournal articleResearchpeer-review


Semi-analytical methods for analysis of plate crushing and ship bow damage in head-on collisions are developed in this paper. Existing experimental and theoretical studies for crushing analysis of plated structures are summarized and compared. Simple formulae for determining the crushing force, force-deformation curve and damge extent of a ship bow, expressed in terms of ship principal particulars, are derived for longitudinally stiffened oil tankers and bulk carriers with length of 150 meters and above. The methods are compared with published results and good agreement is achieved. The approach developed can be used easily to determine the crushing resistance and damage extent of the ship bow when ship length and collision speed are known. The method can be used in probabilistic analysis of damage extents in ship collisions where a large number of calculations are generally required.
Original languageEnglish
JournalInternational Journal of Maritime Engineering
Pages (from-to)39-46
Publication statusPublished - 2004

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