A benchmark study of procedures for analysis of axial crushing of bulbous bows

Simplified methods to estimate mean axial crushing forces of plated structures are reviewed and applied to a series of experimental results for axial crushing of large-scale bulbous bow models. Methods based on intersection unit elements such as L-, T- and X-type elements as well as methods based on...

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Bibliographic Details
Published in:Marine structures 2008-04, Vol.21 (2), p.257-293
Main Authors: Yamada, Yasuhira, Pedersen, Preben
Format: Article
Language:English
Subjects:
Applied sciences
Axial crushing
Buffer bow
Bulbous bow
Crashworthiness
Effective crushing distance
Exact sciences and technology
Ground, air and sea transportation, marine construction
Marine and water way transportation and traffic
Marine construction
Ship collision
Simplified method
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Summary:Simplified methods to estimate mean axial crushing forces of plated structures are reviewed and applied to a series of experimental results for axial crushing of large-scale bulbous bow models. Methods based on intersection unit elements such as L-, T- and X-type elements as well as methods based on plate unit elements are employed in the analyses. The crushing forces and the total absorbed energy obtained by the simplified analyses are compared with those obtained from large-scale bulbous bow experiments. The accuracy and the applicability of these methods are discussed in detail.
ISSN:0951-8339
1873-4170
DOI:10.1016/j.marstruc.2007.10.001