Rapid Prediction of Structural Responses of Double-bottom Structures in Shoal Grounding Scenario
This study presents a simplified analytical model for predicting the structural responses of double-bottom ships in a shoal grounding scenario. This solution is based on a series of analytical models developed from elastic-plastic mechanism theories for different structural components, including bottom girders, floors, bottom plating, and attached stiffeners. We verify this simplified analytical model by numerical simulation, and establish finite element models for a typical tanker hold and a rigid indenter representing seabed obstacles. Employing the LS-DYNA finite element solver, we conduct numerical simulations for shoal-grounding cases with a wide range of slope angles and indentation depths. In comparison with numerical simulations, we verify the proposed simplified analytical model with respect to the total energy dissipation and the horizontal grounding resistance. We also investigate the interaction effect of deformation patterns between bottom structure components. Our results show that the total energy dissipation and resistances predicted by the analytical model agree well with those from numerical simulations.
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/issn/16719433
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Supplemental Notes:
- Copyright © 2016, Harbin Engineering University and Springer-Verlag Berlin Heidelberg. The contents of this paper reflect the views of the author[s] and do not necessarily reflect the official views or policies of the Transportation Research Board or the National Academy of Sciences.
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Authors:
- Hu, Zhiqiang
- Wang, Ge
- Yao, Qi
- Yu, Zhaolong
- Publication Date: 2016-3
Language
- English
Media Info
- Media Type: Web
- Features: References;
- Pagination: pp 73-85
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Serial:
- Journal of Marine Science and Application
- Volume: 15
- Issue Number: 1
- Publisher: Harbin Engineering University
- ISSN: 1671-9433
- EISSN: 1993-5048
- Serial URL: http://link.springer.com/journal/11804
Subject/Index Terms
- TRT Terms: Dissipation; Groundings (Maritime crashes); Numerical analysis; Ship structural components; Simulation; Twin hulled ships
- Subject Areas: Marine Transportation; Safety and Human Factors; Vehicles and Equipment; I91: Vehicle Design and Safety;
Filing Info
- Accession Number: 01592438
- Record Type: Publication
- Files: TRIS
- Created Date: Feb 29 2016 4:58PM