Journal
MARINE STRUCTURES
Volume 59, Issue -, Pages 368-386Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.marstruc.2018.02.009
Keywords
Computational fluid dynamics; Finite element analysis; Hydroelasticity; Slamming; Whipping; Hull girder; Double bottom structure
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Funding
- Grants-in-Aid for Scientific Research [17H03488] Funding Source: KAKEN
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In this paper, a simulation method for predicting global and local hydroelastic response of a ship which couples CFD and FEA is developed and validated. By comparing the prediction with linear/nonlinear strip method, 3D panel method and towing tank test results under various wave conditions in terms of rigid body motions and slamming impact pressure, the effectiveness of the CFD-FEA coupling method is confirmed. The hydroelastic behavior, so-called the whipping moment, evaluated from the CFD-FEA coupling method is further validated by comparing with nonlinear strip method, 3D panel method and tank test results. Finally, the proposed method is applied to a realistic large container ship structure in severe waves. The structural response of the double bottom structure subjected to global and local bending moments is investigated.
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