Parametric roll resonance is of concern for container and fishing vessels, especially in head-sea waves. Here this phenomenon is investigated with a numerical method based on potential-flow theory with viscous corrections for the roll damping. The seakeeping problem is handled by considering a strip theory and assuming a 5-DOF system. Nonlinearities are accounted for in the Froude-Krylov and hydrostatic loads. The solver has been validated against experiments on a C11 class container carrier ship in terms of parametric resonance occurrence and features for different ship forward speeds and headings, wavelengths, wave amplitudes and wave headings. The overall agreement is good but there are some discrepancies. For instance, the simulations show capsizing in some cases while it does not happen in the experiments. The results from present method can be used to generate 2D and 3D polar diagrams identifying the zones with parametric roll occurrence, and are very handy for masters aboard ships. This type of information is valuable at design stage and can be used aboard vessels for a safer voyage.
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ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering
May 31–June 5, 2015
St. John’s, Newfoundland, Canada
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5659-8
PROCEEDINGS PAPER
Investigation of Parametric Resonance in Roll for Container Carrier Ships
Isar Ghamari,
Isar Ghamari
Norwegian University of Science and Technology (NTNU), Trondheim, Norway
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Odd M. Faltinsen,
Odd M. Faltinsen
Norwegian University of Science and Technology (NTNU), Trondheim, Norway
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Marilena Greco
Marilena Greco
Norwegian University of Science and Technology (NTNU), Trondheim, Norway
CNR-INSEAN, Rome, Italy
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Isar Ghamari
Norwegian University of Science and Technology (NTNU), Trondheim, Norway
Odd M. Faltinsen
Norwegian University of Science and Technology (NTNU), Trondheim, Norway
Marilena Greco
Norwegian University of Science and Technology (NTNU), Trondheim, Norway
CNR-INSEAN, Rome, Italy
Paper No:
OMAE2015-41528, V011T12A044; 10 pages
Published Online:
October 21, 2015
Citation
Ghamari, I, Faltinsen, OM, & Greco, M. "Investigation of Parametric Resonance in Roll for Container Carrier Ships." Proceedings of the ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. Volume 11: Prof. Robert F. Beck Honoring Symposium on Marine Hydrodynamics. St. John’s, Newfoundland, Canada. May 31–June 5, 2015. V011T12A044. ASME. https://doi.org/10.1115/OMAE2015-41528
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