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Abstract
The IMO Intact Stability Code considers the parametric rolling phenomenon as one of the stability failure modes because of the larger roll angles attained. This hazardous condition of roll resonance can lead to loss of cargo, passenger discomfort, and even (in the extreme cases) the ship's capsize. Studies as such are mostly conducted considering wave characteristics corresponding to wave lengths around one ship length (lambda approximate to L-PP) and wave amplitudes varying from moderate to rough values. These wave characteristics, recognised as main contributors to parametric rolling, are frequently encountered in deep water. Waves with lengths of such magnitudes are also met by modern container ships in areas in close proximity to ports, but with less significant wave amplitudes. In such areas, due to the limited water depth and the relatively large draft of the ships, shallow water effects influence the overall ship behaviour as well. Studies dedicated to parametric rolling occurrence in shallow water are scarce in literature. In spite of no accidents being yet reported in such scenarios, its occurrence and methods for its prediction require further attention; this in order to prevent any hazardous conditions. The present work investigates the parametric roll phenomenon numerically and experimentally in shallow water. The study is carried out with the KRISO container ship (KCS) hull. The numerical investigation uses methods available in literature to study the susceptibility and severity of parametric rolling. Their applicability to investigate this phenomenon in shallow water is also discussed. The experimental analysis was carried out at the Towing Tank for Manoeuvres in Confined Water at Flanders Hydraulics Research (in co-operation with Ghent University). Model tests comprised a variation of different forward speeds, wave amplitudes and wave lengths (around one L-PP). The water depth was fixed to a condition equivalent to a gross under keel clearance (UKC) of 100% of the ship's draft.
Keywords
Parametric rolling, shallow water, PREDICTION

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MLA
Tello Ruiz, Manasés, et al. “Parametric Rolling in Regular Head Waves of the Kriso Container Ship : Numerical and Experimental Investigation in Shallow Water.” PROCEEDINGS OF THE ASME 38TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, 2019, VOL 7A, ASME, 2019.
APA
Tello Ruiz, M., Villagomez, J., Delefortrie, G., Lataire, E., & Vantorre, M. (2019). Parametric rolling in regular head waves of the Kriso container ship : numerical and experimental investigation in shallow water. In PROCEEDINGS OF THE ASME 38TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, 2019, VOL 7A. Glasgow, Scotland, UK: ASME.
Chicago author-date
Tello Ruiz, Manasés, José Villagomez, Guillaume Delefortrie, Evert Lataire, and Marc Vantorre. 2019. “Parametric Rolling in Regular Head Waves of the Kriso Container Ship : Numerical and Experimental Investigation in Shallow Water.” In PROCEEDINGS OF THE ASME 38TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, 2019, VOL 7A. ASME.
Chicago author-date (all authors)
Tello Ruiz, Manasés, José Villagomez, Guillaume Delefortrie, Evert Lataire, and Marc Vantorre. 2019. “Parametric Rolling in Regular Head Waves of the Kriso Container Ship : Numerical and Experimental Investigation in Shallow Water.” In PROCEEDINGS OF THE ASME 38TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, 2019, VOL 7A. ASME.
Vancouver
1.
Tello Ruiz M, Villagomez J, Delefortrie G, Lataire E, Vantorre M. Parametric rolling in regular head waves of the Kriso container ship : numerical and experimental investigation in shallow water. In: PROCEEDINGS OF THE ASME 38TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, 2019, VOL 7A. ASME; 2019.
IEEE
[1]
M. Tello Ruiz, J. Villagomez, G. Delefortrie, E. Lataire, and M. Vantorre, “Parametric rolling in regular head waves of the Kriso container ship : numerical and experimental investigation in shallow water,” in PROCEEDINGS OF THE ASME 38TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, 2019, VOL 7A, Glasgow, Scotland, UK, 2019.
@inproceedings{8655225,
  abstract     = {{The IMO Intact Stability Code considers the parametric rolling phenomenon as one of the stability failure modes because of the larger roll angles attained. This hazardous condition of roll resonance can lead to loss of cargo, passenger discomfort, and even (in the extreme cases) the ship's capsize. Studies as such are mostly conducted considering wave characteristics corresponding to wave lengths around one ship length (lambda approximate to L-PP) and wave amplitudes varying from moderate to rough values. These wave characteristics, recognised as main contributors to parametric rolling, are frequently encountered in deep water. Waves with lengths of such magnitudes are also met by modern container ships in areas in close proximity to ports, but with less significant wave amplitudes. In such areas, due to the limited water depth and the relatively large draft of the ships, shallow water effects influence the overall ship behaviour as well.

Studies dedicated to parametric rolling occurrence in shallow water are scarce in literature. In spite of no accidents being yet reported in such scenarios, its occurrence and methods for its prediction require further attention; this in order to prevent any hazardous conditions. The present work investigates the parametric roll phenomenon numerically and experimentally in shallow water. The study is carried out with the KRISO container ship (KCS) hull. The numerical investigation uses methods available in literature to study the susceptibility and severity of parametric rolling. Their applicability to investigate this phenomenon in shallow water is also discussed. The experimental analysis was carried out at the Towing Tank for Manoeuvres in Confined Water at Flanders Hydraulics Research (in co-operation with Ghent University). Model tests comprised a variation of different forward speeds, wave amplitudes and wave lengths (around one L-PP). The water depth was fixed to a condition equivalent to a gross under keel clearance (UKC) of 100% of the ship's draft.}},
  articleno    = {{V07AT06A064}},
  author       = {{Tello Ruiz, Manasés and Villagomez, José and Delefortrie, Guillaume and Lataire, Evert and Vantorre, Marc}},
  booktitle    = {{PROCEEDINGS OF THE ASME 38TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, 2019, VOL 7A}},
  isbn         = {{9780791858844}},
  issn         = {{2153-4772}},
  keywords     = {{Parametric rolling,shallow water,PREDICTION}},
  language     = {{eng}},
  location     = {{Glasgow, Scotland, UK}},
  pages        = {{9}},
  publisher    = {{ASME}},
  title        = {{Parametric rolling in regular head waves of the Kriso container ship : numerical and experimental investigation in shallow water}},
  year         = {{2019}},
}

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