JOURNAL BROWSE
Search
Advanced SearchSearch Tips
A Study on the Manoeuvrability as Function of Stern Hull Form in Shallow Water
facebook(new window)  Pirnt(new window) E-mail(new window) Excel Download
 Title & Authors
A Study on the Manoeuvrability as Function of Stern Hull Form in Shallow Water
Lee, Sungwook;
  PDF(new window)
 Abstract
A numerical simulation studies were performed to investigate a manoeuvring characteristics as function of stern hull form with the mathematical model. In order to consider the effect of the stern hull form and obtain the manoeuvring characteristics, a parameter() which is aft. water plane area coefficient is modified. Because modifying () means that the stern hull form is modified to V-type or U-type, the numerical simulation was performed with this modified . A changing trend for the manoeuvring characteristics not only in deep water but also in shallow water such as directional stability, turning and zig-zag was investigated and presented as the results. Present study showed that the manoeuvrability in shallow water largely changed when the draught and water depth ratio(=d/H) become 0.5, and the stern hull form can affect to the manoeuvrability of a vessel navigating in restricted water depth. In addition, it showed that approaching the stern hull to U-type makes the advance and tactical diameter of turning motion large and the overshoot angle of zig-zag motions small. Otherwise, it showed approaching the stern hull form to V-type makes the advance and tactical diameter of turning motion small and the overshoot angle of zig-zag motions large in the present study.
 Keywords
Manoeuvring;Shallow water;Zig-zag;Turning;CFD;
 Language
Korean
 Cited by
 References
1.
Kijima, K. and Y. Nakiri(2003), "On the Practical Prediction Method for Ship Manoeuvring Characteristics", Transaction of the WestJapan Society of Naval Arachitects, No. 105, pp. 21-31.

2.
Kim, S. Y. and Y. G. Kim(2001), "Computation of Viscous Flows around a Ship with a Drift Angle and the Effects of Stern Hull Form on the Hydrodynamic Forces", Journal of the Society of Naval Architects of Korea, Vol. 38, No. 3, pp. 1-13.

3.
Lee, S. K., J. Y. Choi, Y. S. Seo and W. J. Lee(1999), "A Study on the Prediction of the Maneuverability of Ships at Initial Design Stage, Considering Stern Form", Journal of the Society of Naval Architects of Korea, Vol. 36 No. 2, pp. 72-76.

4.
Kijima, K. and Y. Nakiri(2004), "On the Practical Prediction Method for Ship Manoeuvrability in Restricted Water", Transaction of the West-Japan Society of Naval Architects, No. 107, pp. 37-54.

5.
Mori, S.(1995), "Note of Ship Form Design(24)", FUNE-NO-KAGAKU, Vol. 48, pp. 40-49.

6.
Nonaka, K., T. Haraguchi, T. Numura, M. Ueno, T. Fujiwara, M. Makino, Y. Kodama and Y. Yoshino(1997), "Research on Flow Flield around a Ship in Manoeuvring Motion", Pappers of Ship Research Institute, Vo1. 34, No. 5, pp. 1-68.

7.
SIMMAN2008, Workshop proceedings, Volume I : Summary (2008), Test Cases, Methods 14th-16th and Papers, Copenhagen April, www.simman2008.dk.

8.
Toxopeus, S. L.(2006), "Validation of slenderbody method for prediction of linear manoeuvring coefficients using experiments and viscous-flow calculations", In: Proceedings of the seventh ICHD international conference on hydrodynamics, University of Naples "Federico II", Ischia, pp. 589-598.